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
Stress Relaxation Mechanism for Typical Nickel-Based Superalloys Under Service Condition
JIANG He(),DONG Jianxin,ZHANG Maicang,YAO Zhihao,YANG Jing

图3. 应力松弛实验前后合金的典型显微组织

Fig.3. Typical microstructures and local magnifications (insets) of alloys before and after stress relaxation tests (b) GH4169 alloy after stress relaxation test at 650 ℃, 260 MPa (d) GH4738 alloy after stress relaxation test at 700 ℃, 510 MPa