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Standard Practice for Fluorescent Liquid Penetrant Testing Using the Hydrophilic Post-Emulsification ProcessPřeložit název
NORMA vydána dne 1.7.2021
Označení normy: ASTM E1210-21
Datum vydání normy: 1.7.2021
Kód zboží: NS-1030396
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
fluorescent liquid penetrant testing, hydrophilic post-emulsification method, nondestructive testing ,, ICS Number Code 19.100 (Non-destructive testing)
|Significance and Use|
5.1Liquid penetrant examination methods indicate the presence, location, and, to a limited extent, the nature and magnitude of the detected discontinuities. This practice is normally used for production examination of critical components, where reproducibility is essential. More procedural controls and processing steps are required than with other processes.
1.1This practice covers procedures for fluorescent penetrant examination utilizing the hydrophilic post-emulsification process. It is a nondestructive testing method for detecting discontinuities that are open to the surface such as cracks, seams, laps, cold shuts, laminations, isolated porosity, through leaks, or lack of fusion and is applicable to in-process, final, and maintenance examination. It 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 and certain nonporous plastics and glass.
1.2This practice also provides a reference:
1.2.1By which a fluorescent penetrant examination hydrophilic post-emulsification process recommended or required by individual organizations can be reviewed to ascertain their applicability and completeness.
1.2.2For use in the preparation of process specifications dealing with the fluorescent penetrant examination of materials and parts using the hydrophilic post-emulsification process. Agreement by the purchaser and the manufacturer regarding specific techniques is strongly recommended.
1.2.3For use in the organization of the facilities and personnel concerned with the liquid penetrant examination.
1.3This practice does not indicate or suggest standards for evaluation of the indications obtained. It should be pointed out, however, that indications must be interpreted or classified and then evaluated. For this purpose 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.
1.3.1The user is encouraged to use materials and processing parameters necessary to detect conditions of a type or severity which could affect the evaluation of the product.
1.4UnitsThe values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5All 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.
1.6This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
|2. Referenced Documents|
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