汽轮机转子钢断裂韧度试验方法的研究  

Study on Determination Method of Fracture Toughness of Steel for Turbine Rotor

作　　者：代海燕[1] 田宇[1] 王丽艳[1] 李明君[1] Dai Haiyan;Tian Yu;Wang Liyan;Li Mingjun

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《大型铸锻件》2021年第2期49-51,54,共4页Heavy Casting and Forging

摘　　要：采用载荷分离法和多试样法对汽轮机某高压转子钢材料在高温下的断裂韧度值进行了测试,讨论了载荷分离法测断裂韧度的可靠性,并与传统的多试样法进行了对比。The load separation method and the multi-sample method have been used to test the fracture toughness value of a high-pressure rotor steel material for steam turbines at high temperatures.The reliability of the load separation method to measure the fracture toughness has been discussed and compared with the traditional multi-sample method.

关 键 词：断裂韧度 载荷分离法 多试样法 J-Δa阻力曲线 

分 类 号：TG115.5[金属学及工艺—物理冶金]