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Penetrant testing

Introduction to Liquid penetrant testing(PT) World Of ND

Liquid penetrant testing is a versatile nondestructive test method used for the detection of OPEN TO SURFACE DISCONTINUITIES in a wide variety of solid, non-porous materials. This method is also known as dye penetration testing. It is economical, versatile, and requires minimal training when compared to other NDE methods Dye penetrant Testing or also known as penetrant testing (PT), is a commonly applied and low-cost inspection method used to check surface-breaking defects in all non-porous materials such as metals, plastics, or ceramics Welds are the most common item inspected, but plate, bars, pipes, castings, and forgings are also commonly inspected using liquid penetrant examination. Over the years, liquid penetrant examination has been called many names: penetrant testing (PT), liquid penetrant testing (LP), and dye penetrant testing (DP) Common Uses of Liquid Penetrant Inspection. Advantages and Disadvantages of Penetrant Testing. Materials and Process Control. Process Control of Temperature. Quality Control of Penetrant. Penetrant Testing Materials. Penetrants. Color and Fluorescent Brightness. Why Things Fluoresce

Penetrant testing steps: There are six basic steps to follow when using the dye penetrant solvent removable method. Pre-clean part. This can range from grinding and wire brushing to merely wiping the part with a rag moistened with the cleaner/ remover. The surface needs to be free of dirt, rust, scale, paint, oil, and grease, and be smooth. 2.5.4 Penetrant Testing The inspection with penetrant liquids, also referred to as dye penetrant inspection, or simply called penetrant testing, is a NDT method widely used to locate surface-breaking defects in all nonporous materials (metals, plastics or ceramics) From Wikipedia, the free encyclopedia Dye penetrant inspection (DP), also called liquid penetrate inspection (LPI) or penetrant testing (PT), is a widely applied and low-cost inspection method used to check surface-breaking defects in all non-porous materials (metals, plastics, or ceramics) About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators.

What is a Dye Penetrant Testing? > Welding Inspector

This eLearning training is part of the 'blended learning' Penetrant Testing; a mix of eLearning and in-class practical training followed by certification to EN ISO 9712. The online modules can be studied when and where it is most convenient and at your own pace Penetrant testing is widely used to detect surface-breaking flaws in both ferrous and nonferrous materials. A liquid penetrant examination is a testing method that supplement visual inspection, revealing defects that would be invisible or difficult to detect by the naked eye

The procedure describes non-destructive testing methods for detecting discontinuities that are open to the surface such as cracks, porosity and lack of fusion by liquid penetrant testing conducted in accordance with the requirements of ISO 3452-1 (EN 571-1) and acceptance criteria EN ISO 23277 (EN 1289). There are no reviews yet Dye Penetrant Inspection- Basic principle- Practical procedure- Pros and consResponsible for this video: Prof. Dr.-Ing. Rainer Schwab, Hochschule Karlsruhe (.. Liquid Penetrant Testing. Liquid penetrant inspection (LPI), also called dye penetrant inspection (DP), is a widely applied NDT method, which is used to check surface-breaking defects in all non-porous materials (metals, plastics, or ceramics). It is probably one of the most widely used NDT techniques. Test and pre-cleaned objects are coated. The penetrant testing process Step 1: Preliminary cleaning. The components which are to be tested must be cleaned superficially so that the penetrant... Step 2: Penetrant process. The penetrant can be applied by spraying, rinsing or immersing the components which are to be... Step 3: Excess.

Liquid Penetrant Testing is also wide known as Penetrant testing, Dye Penetrant inspection or Fluorescent Inspection FPI Testing is one of the most widely used Non-destructive Evaluation - NDE inspection method for inspecting components and materials for critical surface opened flaws Liquid Penetrant Testing Quiz-1. 1 / 10. Correct developer coating thickness is indicated by: A thin, translucent layer. A slightly pinkish background. A fine, misting spray. An even, snowy white appearance. 2 / 10. The act of determining the cause of an indication is called Penetrant Testing. Penetrant Testing (PT) Certification: CSWIP, PCN. Check course schedule. Is it for me? The course is suitable for all NDT personnel, inspectors and technicians engaged in or responsible for weld inspection, inspection of castings and forgings during fabrication or in-service inspection Acceptance Criteria for Liquid Penetrant Testing -LPT as per ASME , AWS and API standards. Liquid penetrant testing simply called as PT. Sometimes Dye Penetrant Testing is a surface defect detection NDT method and is more sensitive to all kind of surface defects, such as cracks , porosity, hot tears, laps, etc

penetrant testing? A. Liquid penetrant testing is useful for locating subsurface discontinuities in a test piece: B. Liquid penetrant testing is useful for locating discontinuities in porous materials: C. Liquid penetrant testing is useful for locating discontinuities which are open to the surface in non-porous materials: D. none of the abov Each penetrant testing kit comes with SKL-SP2 solvent removable penetrant, SKD-S2 solvent-based developer, SKC-S remover, a cloth and instructions, all in a soft carry case. SK-3 Kits are portable and great for job sites or field inspections to check welds, forgings, pressure vessels, castings, general metal work and many other applications Penetrant Testing (as well called penetrant inspection, red dye inspection, color contrast inspection or LPI testing) is one non-destrcutive testing method for materials. It is used for the detection of defects or flaws (e.g. cracks) open to the surface. More about penetrant testing. Get our product leaflet. Download PDF Dye penetrant Testing or also known as penetrant testing (PT), is a commonly applied and low-cost inspection method used to check surface-breaking defects in all non-porous materials such as metals, plastics, or ceramics. Penetrant can be applied to all non-ferrous materials and ferrous materials, although magnetic-particle inspection (MPI) is.

Liquid Penetrant Examinatio

Liquid penetrant testing (LPT) is one of the most widely used non-destructive testing methods. LPT is based on capillarity or capillary attraction, where a liquid is able to flow into narrow spaces without the assistance of - or even in opposition to - external forces such as gravity Penetrant testing should not be done on porous surfaces, as the pores will act as discontinuities to trap penetrant and prevent accurate inspection. 5. Penetrant will be able to penetrate a discontinuity that contains water. Penetrant cannot seep into a discontinuity if it is already filled with water or other liquid Testing Penetrant testing, magnetic particle inspection Corrosion Protection Temporary and long-term corrosion protection films Surface Treatment Passivation, phosphating, chromating Chemetall provides an extensive product portfolio for surface treatment prior to, during and after non-destructive testing. A comprehensive range of equipment fo

Nondestructive Evaluation Techniques : Penetran

Liquid Penetrant Testing (DP Test) - www

Dye Penetrant Inspection (DPI), also called Liquid Penetrant Inspection (LPI) or Penetrant Testing (PT), is one of the oldest and simplists NDT methods where its earliest versions (using kerosene and oil mixture) dates back to the 19th century. Liquid penetrant inspection is used to detect any surface-connected discontinuities such as cracks. Liquid Penetrant Testing - NDT Level 1 - Sample Examination Question & Answers - Specific Examination byGulfnde 17:29. 1. The most common consequence of an emulsifier's excessively short dwell time is: (a) A tendency to remove the penetrant from fine discontinuitie perform penetrant testing routinely. Practically all liquid materials used in liquid penetrant testing, including penetrant, cleaner and developers, have very good wetting and detergent properties. Most of them exhibit excellent solvent power for fats and oils. If these materials are allowed to remain in contact with bod

Penetrant Inspection - an overview ScienceDirect Topic

Penetrant testing can be ineffective if a test object is not chemically clean and dry. Similarly, harmful effects may manifest if the test object is not completely clean of liquid penetrant when it's placed in service. Cleaning agents used for pre-cleaning and post-cleaning should be approved by the test object's manufacturer Part 1: Elements of Liquid Penetrant Testing. Part 2: Liquid Penetrant Testing Processes. Part 3: Emulsification and Removal of Excess Surface Liquid Penetrant. Part 4: Principles of Application and Operation of Developers. Part 5: Inspection and Interpretation of Liquid Penetrant Indications. Part 6: Field Techniques for Liquid Penetrant Testing Penetrant Testing (PT) Inspection Applications. Penetrant testing is a popular non-destructive testing (NDT) technique because of its low cost and flexibility. In PT, assets do not have to be disassembled or removed from the facility for inspection, making the inspection process quick and efficient Liquid penetrant testing can be applied to any non-porous clean material, metallic or non-metallic, but is unsuitable for dirty or very rough surfaces. Surface cleaning is a vital part of the penetrant testing technique. The method can be manual, semi-automatic or fully automated. Penetrant inspections on continuous-operation production lines.

Dye penetrant inspection - Wikipedi

Penetrant testing (PT) also known as dye penetrant inspection (DPI), or liquid penetrate inspection (LPI) is a cost effective testing method. It is used to detect surface-breaking defects in non-porous materials Also known as Liquid penetrant inspection, Dye Penetrant testing is the most reliable method of finding defects and discontinuities opened on the surface especially in all non-porous materials. This method is widely used for testing of non-magnetic materials. In PT method, a liquid/dye penetrant is applied to the surface of the product for a. Liquid penetrant testing (PT) is a versatile nondestructive testing method used for detecting discontinuities open to the surface in a wide variety of solid, nonporous materials. It is a relatively simple process and inexpensive test method considering personnel training time, materials used, and the ease with which surface discontinuities can.

This training is based on the ASNT Recommended Practice No. SNT-TC-1A with strict reference to best practice reference guidelines and standards. The Penetrant Testing training constitutes both Theoretical (30%) and Practical (70%) lessons with more emphasis on Practicals. The combination of hands on practical experience and rich theorical knowledge of our certified NDT instructors strikes the. Dye penetrant inspection, also commonly referred to as liquid penetrant inspection or penetrant testing, is a popular nondestructive testing (NDT) and evaluation technique used to detect surface flaws on components used in the aerospace, power generation, military, construction and manufacturing industries, among others 3. LIQUID PENETRANT TESTING (PT) Liquid penetrant inspection is a method that is used to reveal surface breaking flaws by bleed out of a colored or fluorescent dye from the flaw. The technique is based on the ability of a liquid to be drawn into a clean surface breaking flaw by capillary action. After a period of time called the dwell, exces Liquid penetrant testing is performed based on the capillary action in which the low surface tension fluids are penetrated to the dry and very clean surface with discontinuities. The application of penetrant is by dipping, brushing or by spraying. Once the allowed penetration time is over, the excess penetrant applied on the surface is removed

Liquid Penetrant Testing - YouTub

  1. LIQUID PENETRANT INSPECTION is a non-destructive method of revealing discontinuities that are open to the surfaces of solid and essentially nonporous materials. Indications of a wide spectrum of flaw sizes can be found regardless of the configuration of the work piece and regardless of flaw orientations. Liquid penetrants seep into various.
  2. um, magnesium, brass, copper, cast iron, steel, stainless steel, carbides, stellite, certain plastics and ceramics
  3. ation, but where appropriate, they can be used for in-service inspection

Module 2: Penetrant Testing Theory. Lesson 1 - Principles of PT: The basic principles how penetrant testing works, and the properties required of an effective penetrant. Lesson 2 - PT Process and Parameters: Describes each stage of the PT process, looking at the different methods that can be used and the various parameters involved Liquid penetrant inspection is used to detect any surface-connected discontinuities such as cracks from fatigue, quenching, and grinding, as well as ASNT NDT Level II Certification Program 1 LIQUID PENETRANT TESTING (PT) 1.1 Liquid Penetrant Testing Level 1 (PT-1) 1.1.1 Liquid Penetrant Testing Level 1 (PT-1) General Examination 1 2. • Liquid penetrant testing is one of the oldest and simplest NDT methods. • This method is used to reveal surface discontinuities by bleed out of a colored or fluorescent dye from the flaw. •The advantage that a liquid penetrant inspection offers over an unaided visual inspection is that it makes defects easier to see for the inspector. Liquid penetrant inspection is a nondestructive testing method that reveals surface breaking flaws by bleedout of a penetrating liquid colored with a visible or fluorescent dye from the flaw. The technique is based on the ability of a liquid to be drawn into a clean (in other words, unobstructed) surface breaking flaw by capillary action Do my research paper help is at your service Penetrant Testing : A Practical Guide|M 24/7. Another great feature of our custom writing service is that we are available 24/7. There is a dedicated team of friendly customer support representatives who do their best to ensure that every customer has Penetrant Testing : A Practical Guide|M a pleasant customer experience

How Does Fluorescent Penetrant Inspection Work? | Advanced

Dye Penetrant Inspection Procedur

Question and answer For Liquid Penetrant Testing Method Levels I, II, and III for download. by The American Society for Nondestructive Testing, Inc. The Liquid Penetrant Testing Method booklet contains suggested questions and answers in the Liquid Penetrant Testing Method for use in conjunction with Recommended Personnel Qualification and Certification in Nondestructive Testing for Levels Penetrant Testing. Testing Stations and Systems; UV-Lamps and Accessories; Penetrant Media; Test Panels and Test Block; Chemical Products. Magnetic Particle Testing; Penetrant Testing; Coupling Agents and Corrosion Inhibitors; UV-Lamps and Accessories; PC-Software. eCom 95; iCom; EasyExport - Data Transfer Software Liquid penetrant testing can be applied to any non-porous clean material, metallic or non-metallic, but is unsuitable for dirty or very rough surfaces. Surface cleaning is a vital part of the penetrant testing technique. The method can be manual, semi-automatic or fully automated

Dye Penetrant Testing for Surface Cracks

Liquid Penetrant Testing Level 2 solved Mcq's with PDF

Penetrant testing is a method of non-destructive material testing, in which surface material defects that are open to the surface can be revealed with the aid of so-called penetrants or test media. A distinction is made between dye penetrant inspection (also known as red-white testing), which uses red dye penetrants that are visible in daylight. Dye Penetrant Testing (PT) is used to find surface breaking defects. PT inspection is suitable for a wide variety of materials, but it is mainly used on non-ferrous metals. This method makes use of the capillary action principle. A liquid dye with low viscosity is applied to the test piece Responsibilities of an PCN Level 2 Liquid Penetrant Testing (Welds) certified NDT Profesional. An individual certified to Penetrant Testing Level 2 has demonstrated competence to perform NDT according to NDT procedures. Within the scope of the competence defined on the certificate, Level 2 personnel may be authorised by the employer to Penetrant testing is a non-destructive testing method for detecting surface opening defects based on the principle of capillary action. When using this method, the defect must be opened, so the surface condition of the part to be inspected is very strict. Any dirt left on the surface of the part, such as oil, dust, metalworking debris and scale. Liquid Penetrant Testing is also wide known as Penetrant testing, Dye Penetrant inspection or Fluorescent Inspection FPI Testing is one of the most widely used Non-destructive Evaluation - NDE inspection method for inspecting components and materials for critical surface opened flaws. In general, this is one of the prominent NDE methods used.

Dye Penetrant Test adalah salah satu metode pengujian NDT yang pengujiannya tanpa menggunakan alat bantu elektronik ataupun semacamnya namun menggunakan media chemical penetrant dan developer. Pemeriksaan dengan penetran ini dilakukan untuk cacat permukaan (cacat retak) dan dapat digunakan untuk material metal atau non metal (keramik dan plastik) The Sk-3 Kit is a convenient collection of Magnaflux dye penetrant testing consumable products in easy-to-use aerosol form for Type 2 penetrant non-destructive testing. Each penetrant testing kit comes with SKL-SP2 solvent removable penetrant, SKD-S2 solvent-based developer, SKC-S remover, a cloth and instructions, all in a soft carry case Professional Testing And Inspection Solutions - Offering Liquid Penetrant Testing(LPT) Chemicals, फ्लोरोसेंट डाई पेनेट्रेंट, फ्लोरोसेंट डाई पेनिट्रेट in Mumbai, Maharashtra. Get best price and read about company. Get contact details and address| ID: 2367244859

PALLAKKI NDT EXCELLENCE CENTER PVT LTD is NABL-2017 Accredited and an ISO 9001 - 2015 Certified and CEMILAC approved company in NDE services and training.It was established in the year 2001 to provide quality and reliable NDT services on time and also impart quality training in the related field.. We are proud to be the best NDT Training Institute offering ASNT NDT Level II Courses, NDT Level. Liquid penetrant testing (PT) is a one of non-destructive test, which can detect surface-breaking defects-such as hairline cracks, surface porosity, leaks in new products, and fatigue cracks. It can change invisible defects to visible defect by using liquid dye. Mechanism of this test is based on capillary action Dye-Penetrant Testing or PT is to measures or detects defects open to the surface of parts such as cracks, porosity, seams, laps and through wall leaks. We offers FLUXO by SREM Technologies consumables for penetrant & magnetic particle testing considering both daylight and fluorescent inspection. SREM Technologies is located in FRANCE which is.

Penetrant testing - MR Chemi

SKC-S is an NDT-approved solvent cleaner/remover for pre-cleaning before non-destructive testing and for removing excess surface penetrant from an inspection area before applying developer during liquid penetrant testing. This non-halogenated solvent remover can be used on a wide range of substrates to remove oils, greases and other contaminants CANTESCO C101-A Dye Penetrant Solvent Cleaner, Standard. 4.8 out of 5 stars. 56. $12.97. $12. . 97 ($1.08/16 OZ AEROSOL CAN) Get it as soon as Wed, Aug 18. FREE Shipping on orders over $25 shipped by Amazon

Liquid penetrant testing has the following disadvantages: Extensive, time-taking pre-cleaning critical—surface contaminants can mask defects. Sensitive to surface-breaking defects only. Direct connection to the surface under test necessary. Works on relatively non-porous surface materials only. No depth sizing PT is used to find open to surface Discontinuity in Welds in Refinery, Cross Country Pipe line, Power Plants Etc Penetrant Testing. Liquid penetrant testing is probably the most widely used NDT method. The test object or material is coated with a visible or fluorescent dye solution. The excess dye is removed from the surface, and then a developer is applied. The developer acts like a blotter

Non Destructive Testing - Dye Penetrant Inspectio

Ultrasonic Testing, Liquid Penetrant Testing and Vacuum Box Testing . - ACTS offers for Third Party and provide client representatives for Non-destructive Testing. Penetration Testing - The Need for secure browsing - Penetration testing services of your product could save you millions by finding the vulnerabilities in your cybersecurity before. 3.LIQUID PENETRANT TESTING. 1. Non-Destructive Testing Alfa Institute of Technology, Udupi Page 10 2. LIQUID PENETRANT TESTING Introduction Liquid Penetrant Testing is one of the oldest and simplest Non-Destructive Testing methods. This method is used to reveal surface discontinuities by bleedout of a coloured or fluorescent dye from the flaw Liquid penetrant testing. Liquid penetrant testing is a NDT method used to locate surface-breaking defects, such as cracks or seams. The technique is extensively used for the inspection of all nonporous materials - metals, plastics, or ceramics - and both ferrous and non-ferrous materials

Liquid penetrant test, also known as dye penetrant inspection (DPI) or liquid penetrant inspection (LPI), is a non-destructive testing method that is used for detection of different types of cracks in concrete such as fatigue cracks, quench cracks, grinding cracks, overload cracks, impact fractures, and porosity cracks Fujian CCIC Testing Co.,Ltd. Our company, Fujian CCIC Testing Co.,Ltd (Abbreviated as FCT) , is a comprehensive third party organization with testing, inspection, identification and technical service. Business scope covers all cities in China. Having more than 300 professional staffs. Obtaining the accreditation of ISO/IEC 17020 Penetrant Test Kits. Penetrant Kits are the most convenient and economic means of finding surface flaws in non-porous material. Kits are available in available with either fluorescent or visible penetrant with either solvent removable, water washable or post-emulsifiable methods Liquid penetrant testing is used primarily for detecting surface discontinuities. The oil and whiting method used in the railroad industry in the early 1900s was the first recognized use of the principles of penetrants to detect cracks. The oil and whiting method used an oil solvent for cleaning followed by the application of a whiting or chalk.

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  1. eral oil Very good biodegradability according to EN ISO 9888 Suitable for all metals (suitability for plastics and ceramics needs testing prior to use
  2. utes a result of the state of the material. All our technicians are.
  3. ation. 5.2 Form The written procedure shall be one of the following

Liquid Penetrant Testing Magnaflu

Liquid penetrant testing is utilized to locate cracks, porosity, and other defects that break the surface of a material and have enough volume to trap and hold the penetrant material. This type of inspection can be utilized to inspect large areas very efficiently - and will work on most nonporous materials. Main Advantages The Penetrant Testing eLearning Package covers the following: Lesson 1 - Principles of PT: The basic principles how penetrant testing works, and the properties required of an effective penetrant Lesson 2 - PT Process and Parameters: Describes each stage of the PT process, looking at the different methods that can be used and the various parameters involve

Blended Learning - Penetrant Testing (PT

  1. Penetrant Testing This is a simple low-cost method of detecting surface-breaking flaws such as cracks, laps, porosity, etc. To be detected, the flaw must reach the surface to be tested. Penetrant testing is one step up from visual inspection and offers many advantages, such as speed, large-area coverage. The article addresses a step by step [
  2. ations, through leaks, or lack of fusion and is applicable to in-process, final, and maintenance exa
  3. PFINDER 871 is a solvent-based wet developer for penetrant testing. It is suitable for colour. contrast and fluorescent penetrant testing. PFINDER 871 can be wiped off from the surface or easily removed with water after testing. PFINDER 871 is qualified for penetrant testing at temperatures between -20°C to +70°C
  4. Dye Penetrant Test Module Objectives After the completion of this module, the student will be able to: Explain the basic principles of the Dye Penetrant test. Describe the main parts of the Dye Penetrant Kit used to perform the Dye Penetrant test. Identify the different types of penetrant used in the test. Recommend the Dye penetrant test for a specific material
  5. Liquid penetrant testing for welding joint - Reveal Cold Cracking or delayed cracking. This kind of crack happens in high strength carbon steel. The crack is caused by diffused hydrogen in the weld metal. The crack typically happens two or three days after welding. The liquid penetrant test will be effective if be performed few days after welding
  6. By the end of the course, you should be able to: Explain the basic principles of penetrant inspection methods. Carry out penetrant inspection using solvent-removable, water-washable and post-emulsifiable/removal processes. Write clear and concise inspection instructions and test reports. Meet syllabus requirements for CSWIP, PCN Level 2
Magnaflux Inspection - Aircraft Engine Overhaul

Video: Penetrant Testing Services LBNiW — NDT Weld Inspection

(NDT) Dye Penetrant Testing Procedure - NP

  1. Liquid Penetrant Testing is a method of NDT that improves upon visual inspection. It is faster, covers a larger area, and is relatively cheap. When carrying out Liquid Penetrant Testing, the process occurs in 3 stages: 1. Surface cleaning. This is the stage where you clean the surface that needs to be tested in preparation for the test
  2. 1.2 Process of various methods. 1.3 Equipment. 2.0 Selection of the Appropriate Penetrant Testing Method. 3.0 Inspection and Evaluation of Indications. 3.1 Discontinuities inherent in various materials. 3.2 Reason for indications. 3.3 Appearance of indications. 3.4 Time for indications to appear
  3. An individual certified to Penetrant Testing Level 2 has demonstrated competence to perform NDT according to NDT procedures. Within the scope of the competence defined on the certificate, Level 2 personnel may be authorised by the employer to: Select the Penetrant Testing technique for the test method to be use
Penetrant Inspection Line

Dye Penetrant Inspection - YouTub

  1. Penetrant testing is an NDT method that can easily be incorporated into production lines or maintenance. The parts are processed at different stations: penetrant application, rinsing then emulsification (when using a post-emulsifiable penetrant and a hydrophilic emulsifier), washing, drying and developer application..
  2. ute surface discontinuities
  3. Penetrant Testing involves applying a visible or fluorescent dye to the surface. The dye enters the discontinuities via capillary action. The method can be applied to any non-absorbent material with uncoated surfaces. What are the responsibilities of a individual who is certified to Penetrant Level 2
  4. Finally, perhaps eddy current array's (and ECT's) greatest advantage over dye-penetrant testing, is ECA's ability to be flexible or shaped to specifications, making hard-to-reach areas and complex geometries easier to inspect—something that's even difficult for PT, at times. Of course, ECA systems are more expensive than ECT solutions.
Dye Penetrant Inspection - Aircraft Engine OverhaulMechanical Testing | Tensile Strength TestingChemetall US IncInvestigation: AO-2009-062 - Main landing gear failureFluorescent MPI Case Study | Viking Inspection Ltd

Penetrant testing is a nondestructive testing method for detecting discontinuities that are open to the surface such as cracks, seams, laps, cold shuts, shrinkage, laminations, through leaks, or lack of fusion and is applicable to in-process, final, and maintenance testing. It can be effectively used in the examination of nonporous, metallic. Penetrant Testing I & II. Penetrant Testing (PT) is considered by some as an extension to VT. This is a widely used NDT method that is capable of detecting very small discontinuities that are open to the surface and can detect those flaws well below the VT threshold. Virtually any solid, nonabsorbent object can be examined with PT ISO 3452-1:2013 specifies a method of penetrant testing used to detect discontinuities, e.g. cracks, laps, folds, porosity and lack of fusion, which are open to the surface of the material to be tested. It is mainly applied to metallic materials, but can also be performed on other materials, provided that they are inert to the test media and. DYE PENETRATION TEST 1. Objective Liquid penetrant processes are non-destructive testing methods for detecting discontinuities that are open to surface. They may be effectively used in the inspection of both ferrous and non-ferrous metals and on non-porous, non-metallic materials, such as ceramics, plastics and glass Liquid Penetrant is one of the oldest and still one of the most commonly used NDE Techniques today. Starting around the early 1930s the railroad industry utilized the Oil and whiting method to reveal defects in components which set the course for this technique. Liquid Penetrant Testing I & II introduces an inspection method used in a.