Powder metallurgical processing of Ni-Ti shape memory alloy

Green, S. M. and Grant, D. M. and Kelly, N. R. (1997) Powder metallurgical processing of Ni-Ti shape memory alloy. Powder Metallurgy, 40 (1). pp. 43-47. ISSN 0032-5899

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The near net shape production of homogeneous Ni-Ti intermetallic displaying good shape memory behaviour is attractive, particularly for potential biomaterials applications. This study investigates and characterises equiatomic Ni-Ti shape memory ahoy prepared by the compaction and sintering of elemental Ti and Ni powders. Phase development during sintering was determined using X-ray diffraction, scanning electron microscopy, and energy dispersive X-ray analysis, and dimensional integrity of the compacts was monitored during sintering. The shape memory behaviour of the Ni-Ti compacts was assessed using differential scanning calorimetry. Employment of a combined solid state and liquid phase sinter cycle produced homogeneous Ni-Ti intermetallic containing 35% porosity and displaying shape memory transformation enthalpy similar to that of commercially produced wrought Ni-Ti material. (C) 1997 The Institute of Materials.

Item Type: Journal Article
Journal or Publication Title: Powder Metallurgy
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/ta
Departments: Faculty of Science and Technology > Engineering
ID Code: 57892
Deposited By: ep_importer_pure
Deposited On: 16 Oct 2012 15:22
Refereed?: Yes
Published?: Published
Last Modified: 26 Nov 2019 03:36
URI: https://eprints.lancs.ac.uk/id/eprint/57892

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