服役条件下镍基高温合金应力松弛微观机制
江河(
),董建新,张麦仓,姚志浩,杨静
),董建新,张麦仓,姚志浩,杨静
Stress Relaxation Mechanism for Typical Nickel-Based Superalloys Under Service Condition
JIANG He(),DONG Jianxin,ZHANG Maicang,YAO Zhihao,YANG Jing
),DONG Jianxin,ZHANG Maicang,YAO Zhihao,YANG Jing
图6. GH4169D合金在700 ℃、510 MPa应力松弛实验后的TEM明场像
Fig.6. TEM bright field images of GH4169D alloy after stress relaxation test at 700 ℃, 510 MPa(a) interaction between γ' particles and dislocation (b) dislocation pile-up around η phase
