RESEARCH PAPERS: Gas Turbines: Manufacturing, Materials, and Metallurgy

GTD111 Alloy Material Study

[+] Author and Article Information
J. A. Daleo, J. R. Wilson

Wilson & Daleo Inc., Ancaster, Ontario, Canada

J. Eng. Gas Turbines Power 120(2), 375-382 (Apr 01, 1998) (8 pages) doi:10.1115/1.2818133 History: Received February 01, 1996; Online November 19, 2007


Very few property data on this common turbine blade alloy have been published. As longer hours of service are accumulated, maintenance considerations such as developing optimum component life strategies and repair processes become important. The lack of specific material data hampers the effort of users and repair facilities to achieve optimum service from this alloy. This study measured some of the basic mechanical and metallurgical characteristics of this polycrystalline nickel base superalloy. Tensile and short-term creep rupture properties as well as microstructural and fracture characteristics are presented. Both the as-heat-treated and thermally exposed characteristics at two different temperatures are examined.

Copyright © 1998 by The American Society of Mechanical Engineers
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