Metallurgical Analysis of Failed AISI 304L Stainless Steel
Two numbers of AISI 304L stainless steel tubes with Ø6 and Ø4 mm used in pressurisation system module of a liquid engine of a satellite launch vehicle were found to crack after the qualification level random vibration test. The module has undergone resonance survey, sinusoidal vibration, and random vibration along two different axes …