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The effects of boron impurity atoms on nickel Σ 5 (012) grain boundary by first principles calculations
Ab-initio calculation Stress corrosion cracking Tensile test
2008/10/30
Purpose: Impurity atoms in the grain boundary can be responsible for embrittlement or they can strengthen a material. In this work, we have modeled the effect of B impurity on Σ 5 (012) symmetrical ti...
January 21, 2007，BEIJING (XFN-ASIA) - Nickel prices surged substantially higher to end last week at over 28,000 usd per ton on the London Metals Exchange (LME) as inventory levels fell to near all-tim...