This standard specifies the reproduction technique for surface inspection with transparent nitrocellulose membrane material (varnish), cellulose acetate or plastic material (with or without a frame), which records the occurrence of mechanical or metallurgical causes on the metal surface. unevenness.
GB/T 17455-1998 history
2008GB/T 17455-2008 Non-destrctive testing.Metallographic replica techniques of surface examination
1998GB/T 17455-1998 Non-destructive testing--Metallographic replica techniques of surface examination