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Titanium brazing with mechanically alloyed Ti-Zr-Cu-Ni braze powders

机译:机械合金化的Ti-Zr-Cu-Ni钎焊粉的钛钎焊

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The paper reviews the results of braze trials with Ti-Zr-Cu-Ni braze alloy powders. The work presented is based on the braze assembly of titanium alloys being considered for lightweight heat exchangers for aircraft applications. The report reviews the braze coupon tests, showing joint structures, braze filler metal structures as well as reports on local and overall composition of the braze powders and the joints. Various braze cycles are evaluated and selected comparisons are made between mechanically alloyed powders and prealloyed (gas atomized) braze filler metals. SEM, EDAX, and microprobe are reported for joints made from C.P. titanium (ASTM Grade 1 and TI-6AI-4V and Timet Alloy 21S.
机译:本文回顾了使用Ti-Zr-Cu-Ni钎焊合金粉末进行钎焊试验的结果。提出的工作基于钛合金的钎焊组件,被认为是用于飞机应用的轻型热交换器。该报告回顾了钎焊试样测试,显示了接头结构,钎料金属结构,以及有关钎料粉末和接头的局部和整体成分的报告。对各种钎焊循环进行了评估,并在机械合金粉末和预合金(气雾化)钎料之间进行了比较。据报道SEM,EDAX和微探针用于C.P.钛(ASTM 1级和TI-6AI-4V和Timet合金21S。

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