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9. 标准热处理态不同Hf含量的FGH97合金在650 ℃, 1020 MPa条件下光滑试样和缺口试样的持久寿命
Fig.9. Stress rupture properties of smooth and notched specimen of standard heat treated FGH97 alloy at 650 ℃ and 1020 MPa with different Hf contents (Notch radius R=0.15 mm)
