不锈钢弹翼固定带失效

ASM Failure Analysis Case Histories: Air and Spacecraft Pub Date : 2019-06-01 DOI:10.31399/asm.fach.aero.c9001905

M. Pepi

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引用次数: 0

摘要

一个由302型不锈钢制造的炸弹固定环在一次练习飞行中打开，导致炸弹鳍展开。固定环能够自己打开，因为它比要求的更薄、更软。硬度测试、金相测试和拉伸测试证实该部件处于退火状态，而不是处于所需的加工硬化1/4硬状态。

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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Failure of a Stainless Steel Bomb Fin Retaining Band

A bomb retaining ring fabricated from type 302 stainless steel unwrapped during a practice flight, causing the bomb fins to deploy. The retaining ring was able to unwrap itself because it was thinner and softer than required. Hardness testing, metallography, and tensile testing confirmed that the component was in the annealed condition and not in the required work-hardened 1/4-hard condition.

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ASM Failure Analysis Case Histories: Air and Spacecraft

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