Effect of Y Addition on Wear Property of Ni-Mn-Ga Shape Memory Alloys

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Abstract:

The effect of Y addition on the hardness and wear properties of Ni-Mn-Ga magnetic shape memory alloys is researched by means of dry sliding test and Scanning Electron Microscope (SEM) in the paper. The results show that Y addition makes Ni-Mn-Ga alloys become harder, and the hardness of Ni-Mn-Ga shape memory alloys increases with Y content increasing. Adding Y improves the dry-gliding wear property of Ni-Mn-Ga alloy. Main abrasive wear mechanism is observed in Ni-MnGa-Y alloy.

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125-128

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February 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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