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径迹显微照相试验结果表明,硼在镍晶界上有明显的偏聚倾向.测得的硼晶界结合能为18±2kJ/mol.加钼使硼的晶界偏聚减弱,加0.5%和3%的钼分别使硼的晶界结合能降低到14±1和13±1kJ/mol.
The experimental results of trace photomicrographs show that there is a clear segregation tendency of boron on the grain boundary of nickel, and the binding energy of boron grain boundary is 18 ± 2kJ / mol. % And 3% molybdenum respectively reduce the grain boundary binding energy of boron to 14 ± 1 and 13 ± 1 kJ / mol.