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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/7374

Title: Initial sintering kinetics of attrition milled nanocrystalline titanium powders
Authors: DABHADE, VV
MOHAN, TRR
RAMAKRISHNAN, P
Keywords: self-diffusion
grain-boundaries
beta-titanium
alpha-ti
densification
al
microstructure
transformation
simulations
behavior
Issue Date: 2007
Publisher: ELSEVIER SCIENCE SA
Citation: MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 452(), 386-394
Abstract: In recent years there has been considerable interest in the dominant mass transport mechanisms operating during sintering of nanocrystalline powders. The present investigation deals with these mass transport mechanisms in nanocrystalline titanium powders. Sintering studies have been carried out by dilatometry of the powder compacts using a constant rate of heating (CRH) and employing model equations for the initial sintering portion. The shrinkage values obtained by heating the specimens at a constant rate of heating (CRH) to various temperatures were analyzed using Young and Curlers equations and a model proposed by Johnson and Berrin. Based on the analysis of experimental data, mechanisms are proposed for the initial sintering of nanocrystalline titanium powders. (c) 2006
URI: http://dx.doi.org/10.1016/j.msea.2006.10.097
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7374
http://hdl.handle.net/10054/7374
ISSN: 0921-5093
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