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6. 含0.30%Hf的FGH97合金在750 ℃时效过程中g’ 相形貌的SEM像
Fig.6. SEM images of g’ precipitates in the FGH97 alloys with 0.30%Hf aging at 750 ℃ for 100 h (a), 500 h (b) and 1000 h (c)
