During cobalt chromium crown reconstruction, temperature of soldering torch suddenly increases. In such case, which of the following property will change?
Correct Answer: Yield strength and percent elongation both decreases
Description: Heat treatments of cobalt-based alloys reduce both the yield strength and elongation. If for any reason, some soldering or welding must be performed on these removable dental prostheses, the lowest possible temperature should be used with the shortest possible heating time.
Ref: Craig’s 14th edition page 194.
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Dental
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