Author:
Feng C. R.,Smith H. H.,Michel D. J.,Crowe C. R.
Abstract
AbstractThe creep behavior of extruded XD™ Ti-47at%Al/7.5v%TiB2 composite was investigated together with extruded Ti-46at%Al alloy. Prior to creep testing, both materials received a duplex heat-treatment at 1200°C for 16h plus 900°C for 8h. The creep tests were conducted at 69, 103 and 138MPa at 760°C in air. The microstructures of both materials prior to and after the creep testing were examined by TEM. The microstructures suggest that the formation of the TiAl/Ti3Al two-phase lamellar structure was the predominant creep mechanism.
Publisher
Springer Science and Business Media LLC
Cited by
5 articles.
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