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8. 标准热处理态不同Hf含量的FGH97合金在650 ℃时的拉伸性能
Fig.8. Tensile properties of standard heat treated FGH97 alloy with different Hf contents at 650 ℃ (sb—tensile strength; s0.2—yield strength; d—elongation; y—reduction of cross sectional area)
