Date of Award

Fall 1963

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Dentistry

First Advisor

Ryge, Gunner

Second Advisor

Gehl, Daniel

Third Advisor

Boucher, Louis

Abstract

Chromium-cobalt alloys are known industrially as stellites. They are used as cast structures and should not be confused with stainless steel which consists primarily of iron. Compared to dental gold alloys, the chromium-cobalt alloys have a low density, high modulus of elasticity and are relatively low in cost. Their main dental application has been for the construction of removable partial denture frames. More recently they have been used for prosthetic implant orthopedic procedures. An example of their industrial application is in the construction of some aircraft engine parts. Although the effect of heat treatment has been demonstrated on gold alloys, the information concerning chromium-cobalt is limited. Therefore, it was the purpose of this investigation to determine the effect of variable heat treatments on the hardness of a chromium-cobalt alloy.

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