K439B铸造高温合金800℃长期时效组织与性能演变 |
张雷雷, 陈晶阳, 汤鑫, 肖程波, 张明军, 杨卿 |
Evolution of Microstructures and Mechanical Properties of K439B Superalloy During Long-Term Aging at 800oC |
ZHANG Leilei, CHEN Jingyang, TANG Xin, XIAO Chengbo, ZHANG Mingjun, YANG Qing |
图2 K439B合金800℃长期时效不同时间后枝晶干部位γ′相的典型形貌SEM像 |
Fig.2 Typical microstructures of γ′ precipitates in the dendrite core of K439B alloy subjected to long-term aging at 800oC for 0 h (a), 100 h (b), 500 h (c), 1000 h (d), 2000 h (e), and 3000 h (f) |
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