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Effects of thermal exposure on the properties of two γ alloys

✍ Scribed by D.S. Lee; M.A. Stucke; D.M. Dimiduk

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
998 KB
Volume
192-193
Category
Article
ISSN
0921-5093

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✦ Synopsis

Ti-Al alloys with various alloying additions show promise as high temperature materials because of their high temperature strength and modulus. Recent strides in processing and microstructural control produced alloys which exhibit an acceptable balance of properties for aerospace applications. However, little is known about the influence of the high temperature exposures, which these materials will experience in service, on the mechanical properties. Therefore, a study was undertaken to examine the effects of thermal exposure on the tensile properties of two wrought alloys: Ti-47AI-2Mn-2Nb

and Ti-47Al-l.oCr-0.9V-2.4Nb. The effects of microstructure and exposure at temperatures spanning the anticipated use range were investigated.

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