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Title: High temperature stability, interface bonding, and mechanical behavior in {beta}-NiAl and Ni{sub 3}Al matrix composites with reinforcements modified by ion beam enhanced deposition. Progress report, June 1, 1991--May 31, 1992

Technical Report ·
DOI:https://doi.org/10.2172/10177689· OSTI ID:10177689

In preparation for experiments with surface modified Al{sub 2}O{sub 3} reinforcements in {beta}NiAl, diffusion bonding experiments were conducted. FP alumina fibers were prepared with ion sputtered surface films (Al{sub 2}O{sub 3}, Al, Ni) and then composited with {beta}NiAl slabs and hot pressed. After 70 thermal cycles, interfacial shear strength was measured. A roughness mechanism is proposed for the observed increased strength of the coated fibers. Creep in Ni{sub 3}Al was studied. 3 figs, 1 tab. (DLC)

Research Organization:
Michigan State Univ., East Lansing, MI (United States). Dept. of Metallurgy, Mechanics and Material Science
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
FG02-85ER45205
OSTI ID:
10177689
Report Number(s):
DOE/ER/45205-7; ON: DE92014399
Resource Relation:
Other Information: PBD: 22 Jan 1992
Country of Publication:
United States
Language:
English