Peritectic Reaction of High Nb and W Pentatomic TiAl-Based Alloy

Abstract:

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The effect of different aluminum content on peritectic reaction and mechanical properties of pentatomic TiAl-based alloy was investigated. The results indicate that the grain size gradually increase with increasing content of aluminum and addition 45.7% aluminum in TiAl-based alloy results in that the peritectic reaction can increase grain size greatly, respectively. The content of aluminum can increase the room temperature strength, high temperature strength but peritectic reaction can effectively reduce tensile strength. Aluminum content has a little effect on the ductility. The stress rupture life has positive correlation relationship with the content of aluminum.

Info:

Periodical:

Advanced Materials Research (Volumes 335-336)

Edited by:

Yun-Hae Kim, Prasad Yarlagadda, Xiaodong Zhang and Zhijiu Ai

Pages:

831-835

DOI:

10.4028/www.scientific.net/AMR.335-336.831

Citation:

H. L. Sun et al., "Peritectic Reaction of High Nb and W Pentatomic TiAl-Based Alloy", Advanced Materials Research, Vols. 335-336, pp. 831-835, 2011

Online since:

September 2011

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Price:

$35.00

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