Fracture analysis of a tungsten infiltrated copper gas rudder during assembly
LIN Bingtao1, LI Hongbo2, XIN Feifei3, TANG Liangliang1, LI Ming1, SUN Xiaoxia4
1Advanced Technology and Materials Co., Ltd., Beijing 100081, China; 2Sichuan Academy of Aerospace
Technology, Chengdu 610100, China; 3No.203 Research Institute of China Ordnance Industries, Xi’an 710065,
China; 4 China University of Labor Relations, Beijing 100048, China
Abstract：Taking a certain type of tungsten infiltrated copper gas rudder (brand W-7Cu) as the research object, the
fracture phenomenon of the product in the assembly process was analyzed. The results show that transgranular fracture
is the main fracture mode and intergranular fracture coexists. There is no obvious difference in microstructure
between fracture and other parts. Stress concentration is the cause of material fracture. It is suggested to strengthen
the protection of connection position or improve the structure to avoid damage caused by stress concentration.
林冰涛，李洪波，辛飞飞，唐亮亮，李明，孙晓霞. 某钨渗铜燃气舵装配过程断裂原因分析[J]. 粉末冶金工业, 2021, 31(02): 113-118.
LIN Bingtao, LI Hongbo, XIN Feifei, TANG Liangliang, LI Ming, SUN Xiaoxia. Fracture analysis of a tungsten infiltrated copper gas rudder during assembly. Powder Metallurgy Industry, 2021, 31(02): 113-118.
2021, Vol. 31 
