Randomly selected, high-angle, general grain boundaries in a nickel-bismuth (Ni-Bi) polycrystalline alloy can undergo interfacial reconstruction to form ordered superstructures, a discovery that enriches the theories and fundamental understandings of both grain boundary segregation and liquid metal embrittlement in physical metallurgy.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/10/171006101820.htm
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