The Mechanical Properties of a New Titanium Alloys with Low Modulus

Abstract:

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We developed a new titanium alloy with high strength, low elastic modulus, high elasticity and plasticity after cold working. Thermo mechanical processing, ageing, recrystallization after cold working was conducted to change the mechanical properties. The release of the elastic deformation energy after cold working is help to get the low modulus, however, the precipitation of α phase hamper the formation and propagation of the fatigue crack. Recrystallization after cold working could refine the grain size from 100μm to 1~5μm. Cold working after recrystallization absolutely restricts the propagation of the fatigue crack. As a result, the fatigue strength was increased, and the same time, it keeps the low elastic modulus.

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Periodical:

Main Theme:

Edited by:

Di Zhang, Jingkun Guo and Chi Y. A. Tsao

Pages:

243-247

DOI:

10.4028/www.scientific.net/KEM.351.243

Citation:

H. H. Wang et al., "The Mechanical Properties of a New Titanium Alloys with Low Modulus", Key Engineering Materials, Vol. 351, pp. 243-247, 2007

Online since:

October 2007

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$35.00

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