Titanium rod GR23 low-magnification structure | Defect list + Acceptance criteria

On the cross-section of the GR23 titanium rod, that pattern is not a decoration. The low-magnification structure is not up to standard. Do not connect the lines when implanted into the body. It is the macroscopic tissue structure. According to GB/T 516, it is the full cross-sectional morphology after corrosion using the naked eye or with a magnification of no more than 20 times, without immersion in an optical microscope. For medical titanium 6AL4V with GR23 asm f 136, the low-magnification involves three things: first, identify fatal metallurgical defects such as cracks, pores, porosity, or metal or non-metallic inclusions, and beta plate composition segregation. These are directly judged as scrap on the cross-section according to GB/T 13810 and asm f 136. Second, check the continuity of the forging flow lines. If the flow lines of the forging are interrupted or randomly twisted, it means that the force path has been interrupted by itself. Third, evaluate the original size of the beta energy and the uniformity of the structure. If the beta phase is not fragmented and the alpha phase is piled up, even the high-magnification test cannot recover it. Sampling is taken both horizontally and vertically. The cutting surface should be ground to be less than or equal to 1.6 micrometers. The water solution cold pool pure water rinse dry body flow diagram asTm system titanium alloy does not use E381, as it is for steel. The corresponding approach follows F136 macro evaluation plus E340 macro reference acceptance bottom line. The bottom back is not allowed to have any visible cracks, pores, inclusions, or abnormal flow line components. The beta spots and bright-dark areas, and the knee band. From Zone 1, high-magnification rejudgment must be conducted. It is not allowed to evaluate. It still looks okay. The low-magnification is the implantation process.