Comparison of the Fatigue Crack Propagation Resistance of α+β and β Titanium Alloys

Abstract:

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The present paper tries to summarize the relationship between microstructure, extrinsic mechanisms and fatigue crack propagation resistance of α+β and β titanium alloys. Emphasis is placed on microstructural parameters, which can be varied by processing, and their effects on the material inherent fracture properties, governing the resistance against microcrack propagation. Moreover, the resistance against macrocracks as well as small cracks in the presence of notch plasticity has been discussed on the basis of secondary extrinsic mechanics such as crack front geometry, crack bridging and crack closure.

Info:

Periodical:

Key Engineering Materials (Volumes 378-379)

Edited by:

Dr. T. S. Srivatsan, FASM, FASME

Pages:

117-130

DOI:

10.4028/www.scientific.net/KEM.378-379.117

Citation:

M. Benedetti "Comparison of the Fatigue Crack Propagation Resistance of α+β and β Titanium Alloys", Key Engineering Materials, Vols. 378-379, pp. 117-130, 2008

Online since:

March 2008

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Price:

$35.00

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