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๐ SIMILAR VOLUMES
## Abstract The measured tensile and fatigue strengths of wrought and heatโtreated cobalt chromiumโmolybdenumโcarbon alloys such as HS21 were found to be more than twice those of as cast alloys of the same composition. The resistance of wrought HS21 to crevice corrosion at metalโTeflon contacts in
## Abstract The purpose of this study was to investigate the effect of the output energy of laserwelding and welding methods on the joint strength of cobaltโchromium (CoโCr) alloy. Twotypes of cast CoโCr plates were prepared, and transverse sections were made at the center ofthe plate. The cut surf
Experiments were undertaken to determine whether hexavalent chromium was released during corrosion of orthopedic implants. Uptake of chromium (Cr) by cells and separation using amberlite resin were the methods used to determine that hexavalent Cr was present. We used salts of chromium as trivalent c