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

机译:用机械合金的Ti-Zr-Cu-Ni钎焊粉末钎焊钛钎焊

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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-6Al-4V and Timet Alloy 21S.
机译:本文评价用Ti-Zr-Cu-Ni钎焊合金粉末的钎焊试验结果。所提出的工作是基于用于飞机应用的轻质热交换器的钛合金的钎焊组装。该报告审查了钎焊优惠券试验,显示联合结构,钎焊填充金属结构以及钎焊粉末和关节的局部和整体组成的报道。评估各种钎焊循环,并在机械合金粉末和预先放置(气体雾化)钎焊填充金属之间进行选择的比较。据报道了由C.P制成的关节的SEM,edax和微探索。钛(ASTM级和TI-6AL-4V和TIMET合金21s。

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