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On the notch sensitivity of the ductile intermetallic Ni{sub 3}Al containing boron

Journal Article · · Acta Materialia
;  [1]
  1. Dartmouth Coll., Hanover, NH (United States). Thayer School of Engineering
Experiments and calculations have shown that the notch sensitivity of the ductile aluminide Ni{sub 3}Al(B) is related to the suppression of plastic flow by the triaxial state of tensile stress produced by the notch. Cracks initiate at the tip of the notch, where stress and strain are concentrated, and then propagate intergranularly when the degree of triaxiality exceeds a critical level.
DOE Contract Number:
FG02-86ER45260
OSTI ID:
230798
Journal Information:
Acta Materialia, Journal Name: Acta Materialia Journal Issue: 4 Vol. 44; ISSN XZ504Y; ISSN 1359-6454
Country of Publication:
United States
Language:
English