摘要
对GH8 71合金的裂纹扩展速率及扩展行为的研究结果表明 :由于真空冶炼降低了弱化合金晶界的有害元素Pb含量 。
The results of study on crack growth rate and propagation in superalloy GH871 show that the deleterious element Pb content in alloy decreased by vacuum metallurgy, appreciably to reduce the crack growth rate (CGR) in alloy.
出处
《特殊钢》
北大核心
2001年第3期27-29,16,共4页
Special Steel