ASTM E165-02 PDF

Buy ASTM E PRACTICE FOR LIQUID PENETRANT EXAMINATION FOR GENERAL INDUSTRY from SAI Global. ASTM E Standard Practice for Liquid Penetrant E Standard Practice for Liquid Penetrant Examination for General Industry View on Information. Find the most up-to-date version of ASTM E at Engineering

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After application of the developer, the visual inspection is done with a black light. The penetrant that is trapped in any discontinuities will glow when viewed under a black light.

It should be pointed out, however, that after indications e156-02 been produced, they must be interpreted or classified and then evaluated. This technique can be used on a variety of ferrous and non-ferrous materials, including steel, stainless steel, aluminum, bronze, tungsten carbide, ceramics and plastics.

It is a common misconception to label a discontinuity as a crack. Agreement by satm user and the supplier regarding specific techniques is strongly recommended. To avoid this, any indications should be investigated by polishing and re-evaluating the indication. SI units are provided for information only.

A suitable waiting time allows the penetrant to enter the surface discontinuities, and then excess penetrant can be removed. An example of a gear tooth crack that e1650-2 made more visible using a dye penetrant examination is shown in Figure 1. Then the surface must be allowed to dry.

With this technique, liquid penetrant is applied to the surface of a material and e1655-02 drawn into surface discontinuities such as cracks, pits and seams by capillary action. Some equipment manufacturers allow some surface indications, depending on their size and location on a particular part. This method substitutes fluorescent penetrating oil for the visible dye penetrant.

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Also, there are no universal acceptance criteria on the maximum allowable size of an indication. They can be effectively used in the examination of nonporous, metallic materials, both ferrous and nonferrous, and of nonmetallic materials such as glazed or fully densified ceramics, certain nonporous plastics, and glass. As soon as the material is dry, the developer is applied. Box Dubuque, IA Phone: This e16-502 involve sandblasting, wire brushing, etc.

The correct term for a discontinuity is an indication, which is not necessarily a crack or a flaw. These inspections can increase the reliability of the part by providing early detection of flaws that could lead to a failure.

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This can take minutes after the developer is applied. Non-destructive examination NDE is used to detect cracks and other flaws in a part without rendering the part unusable by performing destructive testing. The visible dye penetrant technique involves the following steps: The liquid penetrant examination just makes the discontinuities easier to see.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Liquid penetrant testing Liquid penetrant inspection is the most popular method to check for surface cracks because it is simple and no special equipment is required.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Some of the most popular NDE methods include: Work Item s – e165-0 revisions of this standard.

astm e 02 – PDF documents

This is typically done with a special cleaning solvent. Active view current version of standard. One of the most critical aspects of liquid penetrant testing is interpreting and evaluating the discontinuities.

For this asgm there must be a separate code or specification or a specific agreement to define the type, size, location, and direction of indications considered acceptable, and those considered unacceptable.

The visible dye penetrant technique involves the following steps:. The part then needs to be cleaned to remove the penetrant and the developer.

The purpose of astk article is to describe these basic NDE techniques and discuss some of the advantages and disadvantages of the different methods. The reason is that some potable water sources contain chlorine, which can leave a residue on the surface and can lead to cracking in some stainless steels.