استاندارد ASTM E165

تست مایعات نافذ (PT)

نسخه 2012

توضیح کامل انجام این تست

18 صفحه - به زبان انگلیسی

Standard Practice for
Liquid Penetrant Examination for General Industry

Scope:
1.1 This practice
covers procedures for penetrant examination of materials. 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 materials, ferrous and nonferrous metals, and of nonmetallic materials such as non-porous glazed or fully densified ceramics, as well as certain nonporous plastics, and glass.
1.2 This practice also provides a reference:
1.2.1 By which a liquid penetrant examination process recommended or required by individual organizations can be reviewed to ascertain its applicability and completeness.

1.2.2 For use in the preparation of process specifications and
procedures dealing with the liquid penetrant testing of parts and materials. Agreement by the customer requesting penetrant inspection is strongly recommended. All areas of this practice may be open to agreement between the cognizant engineering organization and the supplier, or specific direction from the cognizant engineering organization.

1.2.3 For use in the organization of facilities and personnel
concerned with liquid penetrant testing.
1.3 This practice does not indicate or suggest criteria for evaluation of the indications obtained by penetrant testing. It
should be pointed out, however, that after indications have been found, they must be interpreted or classified and then evaluated. For this purpose there must be a separate code, standard, or a specific agreement to define the type, size,
location, and direction of indications considered acceptable, and those considered unacceptable.

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