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首页> 外文期刊>Journal of Materials Engineering and Performance >Characterization of Superplastically Formed Friction Stir Weld in Titanium 6AL-4V: Preliminary Results
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Characterization of Superplastically Formed Friction Stir Weld in Titanium 6AL-4V: Preliminary Results

机译：钛6AL-4V中超塑性形成的搅拌摩擦焊的表征：初步结果

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摘要

A collaborative University and Industry research project was undertaken to evaluate the performance of as friction stir welded (FSW) and friction stir welded and superplastically formed (FSW-SPF) titanium 6Al-4V alloy sheets. The purpose of this initial phase of research is to test and evaluate the mechanical properties of FSW and post SPF-FSW 2-3 mm thick sheets of titanium. As-FSW and FSW with SPF Ti alloy (standard and fine grain size) butt joints were characterized in terms of microstructures, micro-hardness, metallurgy and tensile properties. The preliminary results of the FSW and post FSW-SPF joint were found to be close to that of as-received titanium with respect to strength, but elongations were decreased.
机译：进行了一项大学和工业界的合作研究项目，以评估搅拌摩擦焊接（FSW）和搅拌摩擦焊接及超塑成形（FSW-SPF）钛6Al-4V合金薄板的性能。研究初期的目的是测试和评估FSW以及SPF-FSW后2-3毫米厚的钛板的机械性能。采用SPF钛合金（标准尺寸和细晶粒尺寸）对接接头的As-FSW和FSW在微观结构，显微硬度，冶金学和拉伸性能方面进行了表征。发现FSW和FSW-SPF后接头的初步结果在强度方面接近于钛合金，但伸长率却降低了。

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