The Mechanism of Tensile Failure in a Nickel-Base Casting Alloy

Author:

Lewis Arthur J.1

Affiliation:

1. Department of Prosthodontics, Dental School, University of Western Australia, Perth 6000, Western Australia

Abstract

Standard tensile specimens were cast from a nickel-base partial denture casting alloy and subsequently fractured in a tensile stress testing machine. Fracture sites were subjected to scanning electron microscopy in order to determine the exact mechanism by which failure had occurred. A metallographic examination of prepared specimens was used to demonstrate the distribution of phases within the alloy.

Publisher

SAGE Publications

Subject

General Dentistry

Reference7 articles.

1. Effect of casting conditions on physical properties of some experimenal partial denture alloys

2. Flemings, M.C.: Solidification Processing, McGraw Hill Series in Materials Science and Engineering , 1sted, New York: McGraw Hill Book Co., Inc., 1974, p 58.

3. Chambers, B.: Physical Metallurgy, 1sted, New York: John Wiley & Sons Inc., 1962, p 253.

4. Sims, C.T., and Hagel, W.C.: The Superalloys, 1st ed, New York: John Wiley & Sons, Inc., 1972, p 79.

5. Johnson, J., and Donachie, M.J.: Microstructure of Precipitation Strengthened Nickel Base Superalloys, in Technical Report No. C6-18.1. American Society for Metals, National Metal Congress, 1966, p. 1.

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