ADHESIVE WEAR PROCESSES OCCURRING DURING ABRASION OF STELLITE TYPE ALLOYS.

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Blombery, R.I.
Perrott, C.M.
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COBALT METALLOGRAPHY;
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The deformation processes operating during the indentation of a Stellite type alloy (Co-Cr-W base) by an abrading asperity were studied and compared with those exhibited by a ferrous alloy of analogous structure. The superior resistance to frictional wear exhibited by Stellite type alloys is attributed to the low stacking fault energy of the cobalt base austenite phase and to the high strength and ductility of the trigonal chromium carbide when it forms part of a eutectic with the austenite.
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页码:254 / 258
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