某喷管激光焊接工艺技术风险分析与控制  

Analysis and Control of Laser Welding Technical Risks for Nozzles

作　　者：李祥 金作花 Li Xiang;Jin Zuohua(Xi’an Aerospace Engine Co.Ltd.,Xi'an 710100,China)

机构地区：[1]西安航天发动机有限公司,陕西西安710100

出　　处：《质量与可靠性》2021年第5期10-14,20,共6页Quality and Reliability

摘　　要：在某液体火箭发动机铌铪合金喷管与加强筋焊接应用激光焊接工艺时,为了避免产生后果严重的技术风险,通过分析喷管激光焊接工艺存在的技术风险项目并进行风险评估,对高风险和中风险项目采取控制措施,使其风险等级降低到可接受水平,提高了喷管激光焊接工艺的稳定性和焊接的质量与可靠性。In order to avoid the serious technical risks caused by laser welding of niobium-hafnium alloy nozzle and stiffeners in a liquid rocket engine,analyzing and assessment on the technical risks of nozzle laser welding process have been taken,which takes control measures for high and medium risk items to reduce the risk level to an acceptable level and improves stability of laser welding process and reliability of welding quality of nozzles.

关 键 词：液体火箭发动机 激光焊接 铌铪合金 喷管 技术风险 

分 类 号：V463[航空宇航科学与技术—航空宇航制造工程]