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TiNi shape memory alloy foams synthesized by spacer sintering and their properties

journal contribution
posted on 2007-12-01, 00:00 authored by Jianyu XiongJianyu Xiong, Yuncang Li, Peter HodgsonPeter Hodgson, Cui'E Wen
Titanium (Ti) and nickel (Ni) elemental powders were blened by ball milling and the ball milled powders were employed to fabricate NiNi shape memory alloy (SMA) foams by space sintering. Effect of ball milling time on phase constitutes of the sintered TiNi alloy foams was studied by X-ray diffraction (XRD) analysis.Scanning election microscopy (SEM) was used to characterize the porous structure, and compressive tests were carried out to evaluate the mechanical properties of the foams. Results indicate the porosities of the TiNi alloy foams can be controlled by using the spacer sincering method, and the porosities show a significant effect on the mechanical prperties and shape memory effect (SME).

History

Journal

Journal of materials science & engineering

Volume

25

Issue

6

Pagination

892 - 894

Publisher

Zhejiang Daxue, Cailiao Yu Huaxue Gongcheng Xueyuan

Location

Zhejiang, China

ISSN

1673-2812

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

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