Effect of grain refinement on the stress rupture property of K447A alloy
1Science and Technology on Advanced High Temperature Structural Materials Laboratory,AECC Beijing Institute of Aeronautical Materials,Beijing 100095,China
2The Sixth Military Representative Office of the Airborne Equipment Department in Beijing,Beijing 100013,China
3Collaborative Innovation Center of Steel Technology,University of Science and Technology Beijing,Beijing 100083,China
4CISRI International Advanced Materials Innovation Center(Shenzhen) Co.,Ltd.,Shenzhen 518045,Guangdong,China
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