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The influence of boron-doping on the effectiveness of grain boundary hardening in Ni3Al

✍ Scribed by C.S. Lee; G.W. Han; R.E. Smallman; D. Feng; J.K.L. Lai

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
173 KB
Volume
47
Category
Article
ISSN
1359-6454

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A~~act-Ex~~ments at room temperature have established that the addition of 750ppm by weight (0.35at.%) of boron to stoichiomettic N&AI reduces the effectiveness with which grain boundaries strengthen the alloy. This effect leads to boron-induced weakening of the most finely grained aggregates (d S 1