1 Scope
1.1 This Part of GB/T 18851 provides general guidance on the verification procedures to be applied when carrying out penetrant inspection, for example in accordance with GB/T 18851.
Note: For the purpose of Part of GB/T 18851, the terms and definitions given in GB/T 12604.3-2005/ISO 12706:2000 “Non-destructive Testing — Terminology — Terms Used in Penetrant Testing” apply.
1.2 These tests are intended to ensure that the penetrant system is functioning correctly and that there has been no harmful deterioration of the process materials during service.
1.3 Generally, the frequency of checking penetrant materials and black light sources will depend on the frequency and conditions of usage. Specific and maximum intervals should be recommended by the manufacturer.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
