Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 24    No. 1    January 2014

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Titanium cenosphere syntactic foam with coarser cenosphere fabricated by powder metallurgy at lower compaction load
N. JHA1, D. P. MONDAL1, M. D. GOEL1, J. D. MAJUMDAR2, S. DAS1, O. P. MODI1

1. Advanced Materials and Processes Research Institute,
Council of Scientific and Industrial Research, Bhopal 462064, India;
2. Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur 721302, India

Abstract:Titanium cenosphere syntactic foam of varying relative densities with coarse cenospheres was developed through powder metallurgy route at lower compaction loads. The cold compaction load was varied in the range of 60 to 75 MPa to obtain the foams of different relative densities. A function of cold compaction load between crushing tendency of cenosphere and relative density was investigated. The compressive deformation behavior of these foams was studied, and empirical relationships among plateau stress, elastic modulus, densification strains and energy absorption are formulated considering their practical significance. The performance indices of the developed foam in comparison with dense titanium were studied and it was found that the foam is superior alternative to titanium for engineering applications.

 

Key words: titanium foam; cenosphere; relative density; plateau stress; energy absorption

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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