Pore formation mechanism and characterization of porous NiTi shape memory alloys synthesized by capsule-free hot isostatic pressing

Porous NiTi alloys with different porosities were fabricated by capsule-free hot isostatic pressing (CF-HIP) with ammonium acid carbonate (NH 4HCO 3) as a space-holder. The microstructure and porosity of porous NiTi produced with different NH 4HCO 3 contents and sintering temperatures were determine...

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Veröffentlicht in:	Acta materialia 2007-06, Vol.55 (10), p.3437-3451
Hauptverfasser:	Wu, Shuilin, Chung, C.Y., Liu, Xiangmei, Chu, Paul K., Ho, J.P.Y., Chu, C.L., Chan, Y.L., Yeung, K.W.K., Lu, W.W., Cheung, K.M.C., Luk, K.D.K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Applied sciences Creep Creep expansion Exact sciences and technology Hot isostatic pressing Intermetallic compounds Intermetallics Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metal powders Metals. Metallurgy Nickel base alloys Nickel compounds Nickel titanides Porosity Porous NiTi Powder metallurgy. Composite materials Production techniques Shape memory alloy Shape memory alloys Sintered metals and alloys. Pseudo alloys. Cermets Sintering Titanium compounds
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