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2010•The Chinese Journal of Nonferrous MetalsRequires access

Research status of equal channel angular pressing titanium and titanium alloy

Yao Zekun

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Abstract

Equal channel angular pressing(ECAP) is a unique processing method for preparing high-performance material by pure-shear deformation,which can effectively refine the grain of alloy and obtain ultra-fine grained materials with high strength and excellent superplasticity.An overview of the grain refinement mechanism,the deformation characteristics and the factors influencing grain refinement during ECAP process of titanium and titanium alloy was given,and the main problems of ECAP were discussed and prospects of ECAP were presented.

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What this paper is about

Equal channel angular pressing(ECAP) is a unique processing method for preparing high-performance material by pure-shear deformation,which can effectively refine the grain of alloy and obtain ultra-fine grained materials with high strength and excellent superplasticity.An overview of the grain refinement mechanism,the deformation characteristics and the factors influencing grain refinement during ECAP process of titanium and titanium alloy was given,and the main problems of ECAP were discussed and prospects of ECAP were presented.

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Available abstract

Equal channel angular pressing(ECAP) is a unique processing method for preparing high-performance material by pure-shear deformation,which can effectively refine the grain of alloy and obtain ultra-fine grained materials with high strength and excellent superplasticity.An overview of the grain refinement mechanism,the deformation characteristics and the factors influencing grain refinement during ECAP process of titanium and titanium alloy was given,and the main problems of ECAP were discussed and prospects of ECAP were presented.

Key concepts: Materials science, Superplasticity, Pressing, Metallurgy, Alloy, Titanium alloy, Severe plastic deformation, Titanium

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