宇航材料工艺2017，Vol.47Issue(5)：81-85,5.DOI:10.12044/j.issn.1007-2330.2017.05.017
推进剂管理装置的可靠性增长及试验验证
Reliability Growth and Experimental Verification of Propellant Management Device
俞钧 1马天驹 1顾森东 1许巍 2张永和1
作者信息
- 1. 兰州空间技术物理研究所,兰州730000
- 2. 兰州理工大学,兰州730050
- 折叠
摘要
Abstract
The adoption of original weld method usually causes the low pass rate and poor reliability of the collector for propellant management device.In order to solve the problem,resistance seam welding tests between titanium alloy bearing plate and stainless steel screen with pure titanium interlayer were performed.Subsequently,electron beam welding tests between the two and titanium alloy frame were performed.Then vibration tests in terramechanical environment were performed to verify the effectiveness of the addition of the pure titanium interlayer.The welding tests results show that the pure titanium interlayer could significantly reduce the welding heat during the resistance beam welding process and further reduced the hot deformation of screen.In addition,the interlayer could form a firm and enclosed pure titanium and stainless steel transition,which could effectively increase the deformation resistance of the screen during the electron beam welding process and further improve the percent of pass and property of welded samples.The vibration tests results show that the improved welding method could increase the lower confidence limits for reliability of collector from 0.90 to 0.96.关键词
推进剂管理装置/钛合金/不锈钢/电阻缝焊/电子束焊/振动试验Key words
Propellant management device/Titanium alloy/Stainless steel/Resistance seam welding/Electron beam welding/Vibration test分类
矿业与冶金引用本文复制引用
俞钧,马天驹,顾森东,许巍,张永和..推进剂管理装置的可靠性增长及试验验证[J].宇航材料工艺,2017,47(5):81-85,5.
