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5. 不同Hf含量的FGH97合金在不同冷却速率下g’ 相形貌的SEM像
Fig.5. SEM images of g’ precipitates in the FGH97 alloys with different Hf contents and cooling rates
