Characterizing Foreign Object Damage in Ti-6Al-4V for Aerospace Applications

摘要：

When Foreign Object Damage (F.O.D.) is detected in-service, the current maintenance procedures consist of removing any visible surface damage based on the maintenance engineer’s judgement. Once the visible damage is removed, the structure is deemed repaired and ready for operation. Using a gas-gun in the lab to launch F.O.D. representative projectiles at a test specimen created impact damage in line with what is found in-service in regards to impact angles and velocities. This investigation found that varying degrees of subsurface damage (i.e. micro-cracking, grain deformation, structural defects) were found to be created at all impact angles and velocities which would not be removed with the currently accepted repair procedure of grinding.

关键词： Ti-6Al-4V Titanium Alloy Foreign Object Damage Impact Damage Microstructural Deformation.

作者: N. Orchowski R. Mohammed Graham Clark

作者单位: School of Aerospace, Mechanical and Manufacturing Engineering, RMIT University, PO Box 71, Bundoora, Victoria, 3083, Australia

会议类型: 国际会议

会议名称: 2011年亚太航空航天技术学术会议(APISAT 2011)

会议地点: 澳大利亚

会议语种:英文

页码: 1-8

在线出版日期: 2011-02-28（万方平台首次上网日期，不代表论文的发表时间）