Strategies for Improving Ductility of Cryomilled Nanostructured Titanium

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The room temperature tensile behavior of commercially pure titanium (CP-Ti), cryomilled under different conditions and forged quasi-isostatically into bulk form, was studied in detail. The results demonstrate that the ductility of cryomilled titanium can be improved, and that the mechanical properties can be tailored using three specific strategies: the use of liquid argon as cryomilling media, introduction of coarse grained regions, and low temperature heat treatment. Cryomilling in a liquid argon environment, which differs from the widely used nitrogen cryogenic environment, was found to have a particularly strong influence on ductility, as it prevents nitrogen embrittlement. The contribution of coarse grains and heat treatment to ductility are also introduced and discussed using a comparative approach.

Info:

Periodical:

Materials Science Forum (Volumes 633-634)

Edited by:

Yonghao Zhao and Xiaozhou Liao

Pages:

459-469

DOI:

10.4028/www.scientific.net/MSF.633-634.459

Citation:

O. Ertörer et al., "Strategies for Improving Ductility of Cryomilled Nanostructured Titanium", Materials Science Forum, Vols. 633-634, pp. 459-469, 2010

Online since:

November 2009

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$35.00

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