Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China
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Abstract:
GH690 alloy made in China was employed as the testing material in the present research. The mechanical behaviors of GH690 alloy were investigated with both fracture toughness testing and tensile testing from RT to 623 K, combined with the analysis of optical microscopy (OM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results indicate that the lower ....