Suitability of nickel as alloying element in titanium sintered in solid state

Robertson, I.M. and Schaffer, G.B. (2009) Suitability of nickel as alloying element in titanium sintered in solid state. POWDER METALLURGY, 52 3: 225-232. doi:10.1179/003258908X336391


Author Robertson, I.M.
Schaffer, G.B.
Title Suitability of nickel as alloying element in titanium sintered in solid state
Journal name POWDER METALLURGY   Check publisher's open access policy
ISSN 0032-5899
Publication date 2009-09
Year available 2009
Sub-type Article (original research)
DOI 10.1179/003258908X336391
Volume 52
Issue 3
Start page 225
End page 232
Total pages 8
Editor J. J. Dunkley
Place of publication United Kingdom
Publisher Maney Publishing
Collection year 2010
Language eng
Subject C1
8612 Fabricated Metal Products
0912 Materials Engineering
091207 Metals and Alloy Materials
Abstract The suitability of nickel as an alloying element in titanium alloys produced using the blended elemental powder metallurgy approach has been explored. Nickel initially accelerates sintering, providing greater densification at lower temperature than observed for unalloyed titanium. However, it provides only a minor improvement in the density achieved after long sintering times or at high solid state sintering temperatures. Swelling is observed under liquid phase sintering conditions. The highest density was achieved by sintering at just below the solidus temperature. Nickel also accelerates the Ostwald ripening of the pore structure and the conversion of open porosity into closed porosity.
Keyword Titanium
Nickel
Sintering
Density
Porosity
POWDER MIXTURES
BEHAVIOR
FE
Q-Index Code C1
Q-Index Status Confirmed Code

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2010 Higher Education Research Data Collection
School of Mechanical & Mining Engineering Publications
 
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Created: Thu, 12 Nov 2009, 11:56:33 EST by Mr Andrew Martlew on behalf of School of Mechanical and Mining Engineering