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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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表面塑性变形对高nb-tial合金扩散连接的影响*
Keywords: 金属材料,高nb-tial合金,扩散连接,表面塑性变形,剪切强度
Abstract:
？采用高能喷丸方法在高nb-tial合金表面引入塑性变形，研究其对高nb-tial合金扩散连接的影响。结果表明:喷丸处理后待连接表面产生厚度约150μm的变形影响区。表面变形区在扩散连接过程中未发生显著再结晶，但是后续热处理后连接界面处发生强烈再结晶，γ相占据了原始平直界面。室温剪切强度的测试结果表明，表面塑性变形可有效降低高nb-tial合金的扩散连接温度，连接接头的剪切强度最高达到420mpa。
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