镍基粉末高温合金中微量元素Hf的作用*
张义文1,2(
),胡本芙3
),胡本芙3
FUNCTION OF MICROELEMENT Hf IN POWDER METALLURGY NICKEL-BASED SUPERALLOYS
Yiwen ZHANG1,2(),Benfu HU3
),Benfu HU3
图10. 标准热处理态不同Hf含量的FGH97合金在750 ℃, 460 MPa条件下不同时间的蠕变伸长率
Fig.10. Elongation after creeping of standard heat treated FGH97 alloy at 750 ℃ and 460 MPa with different Hf contents and aging times
