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Notch effects on room temperature tensile and bend properties of Ni3Al and Ni3Al+BThe notched mechanical properties of Ni3Al and Ni3Al+B prepared by powder metallurgy techniques have been determined in both tension and bending at room temperature. Tensile tests performed using double-notched specimens containing relatively blunt notches produced intergranular fracture in both Ni3Al and Ni3Al+B, with evidence of fracture initiating in an intergranular manner ahead of the blunt notch in both cases. Estimates of notched fracture toughness from bend tests and of local grain boundary fracture stress from the notched tensile tests suggest an increase in these values with boron addition.
Document ID
19900029870
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Khadkikar, P. S.
(Case Western Reserve Univ. Cleveland, OH, United States)
Rigney, J. D.
(Case Western Reserve Univ. Cleveland, OH, United States)
Lewandowski, J. J.
(Case Western Reserve Univ. Cleveland, OH, United States)
Vedula, K.
(Case Western Reserve University Cleveland, OH, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Subject Category
Metallic Materials
Meeting Information
Meeting: Symposium on High-Temperature Ordered Intermetallic Alloys III
Location: Boston, MA
Country: United States
Start Date: November 29, 1988
End Date: December 1, 1988
Sponsors: General Electric Co., NASA, DOE, U.S. Navy
Accession Number
90A16925
Distribution Limits
Public
Copyright
Other

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