The surface performance of shot peened and ion implanted NiTi shape memory alloy

Grant, D.M. and Green, S.M. and Wood, J.V. (1995) The surface performance of shot peened and ion implanted NiTi shape memory alloy. Acta Metallurgica et Materialia, 43 (3). pp. 1045-1051. ISSN 0956-7151

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Abstract

Equiatomic NiTi shape memory alloy in austenitic and martensitic forms has been modified by shot peening with glass media and by N+ ion implantation. The effect upon microstructure, surface hardness and coefficient of friction was measured, along with the effect of the two treatments upon the shape memory behaviour. Examination using transmission electron microscopy (TEM) showed amorphous regions within the surfaces treated by both peening and ion implantation. In addition, peened and ion implanted samples showed similar increases in surface hardness and reduced surface friction coefficient. Differential scanning calorimetry showed that both surface treatments had no effect upon the bulk shape memory phase transformation behaviour.

Item Type:
Journal Article
Journal or Publication Title:
Acta Metallurgica et Materialia
Uncontrolled Keywords:
/dk/atira/pure/core/keywords/engineering
Subjects:
?? engineeringgeneral engineeringengineering(all)ta engineering (general). civil engineering (general) ??
ID Code:
57866
Deposited By:
Deposited On:
16 Oct 2012 15:12
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 09:10