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Title: | The effect of the particle shape and strain rate on microstructure and compressive deformation response of pure Ti-foam made using acrowax as space holder |
Authors: | Mondal, D.P. Patel, M. Jain, H. Jha, A.K. Das, S. Dasgupta, R. |
Issue Date: | 2015 |
Citation: | Materials Science and Engineering A, 2015, Vol.625, , pp.331-342 |
Abstract: | Titanium foams of varying amount of porosities have been made using acrowax bits as a space holder through powder metallurgy route. Two types of Ti-particles were used: (i) angular and (ii) spherical in order to see the effect of particle shape on microstructure and deformation behavior. The compressive deformation behavior of Ti-foams with varying porosities and type of particles are studied under different strain rates. It is observed that the microstructural characteristics of Ti-foam varied marginally with the shape of Ti-particles. But the shape of particles influenced reasonably the deformation responses of Ti-foam. The plateau stress, modulus and energy absorption follow power law with relative density irrespective of shape of Ti-particles. All these parameters in Ti-foams are almost invariant to the strain rate. The empirical constants associated with different empirically developed power law relations are different for different shape of Ti-particles. 2014 Elsevier B.V. |
URI: | http://idr.nitk.ac.in/jspui/handle/123456789/13372 |
Appears in Collections: | 1. Journal Articles |
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