Metallurgical Evaluation of Inner Wall Softening in a Tow Flight Missile Case

C. F. Hickey
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Abstract

Failure occurred in two TOW flight missile cases in unrelated launchings. After an extensive investigation, it was concluded that stress corrosion was the most likely cause of failure. Subsequent to this conclusion, inner wall softening was observed in an unfired TOW flight missile case. Questions arose as to how the softening occurred and whether or not it had contributed to the failures. This report contains the results of a study which resolved that inner wall softening could not have been present in the failed missile cases.
牵引飞行导弹壳体内壁软化的冶金评价
失败发生在两个不相关发射的TOW飞行导弹案例中。经过广泛的调查,得出的结论是应力腐蚀是最可能的失败原因。在这个结论之后,在一个未发射的TOW飞行导弹的情况下观察到内壁软化。问题出现了,软化是如何发生的,以及它是否导致了失败。本报告载有一项研究的结果,该研究确定在失败的导弹案例中不可能出现内壁软化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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