| Vacuum Brazing of TiAl Based Alloy with 40Cr Steel |
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| 作者姓名： | 周昀 薛小怀 吴鲁海 楼松年 |
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| 作者单位： | School of Materials Science & Eng.，School of Materials Science & Eng.，School of Materials Science & Eng.，School of Materials Science & Eng. Shanghai Jiaotong Univ.，Shanghai 200030，China，Shanghai Jiaotong Univ.，Shanghai 200030，China，Shanghai Jiaotong Univ.，Shanghai 200030，China，Shanghai Jiaotong Univ.，Shanghai 200030，China |
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| 摘 要： | IntroductionRecently,the Ti Al based alloy has emerged asone of the structural materials with good prospectsin space,aviation,automotive and power genera-tion industries owing to their unique high- tempera-ture properties such as high specific strength andmodulus,good creep and oxidation resistance1～3 ] .It has become well known for its excellent perfor-mance in turbine blades and engine valves for hightemperature service.These Ti Al made parts areconventionally jointed to the main body of…
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Vacuum Brazing of TiAl Based Alloy with 40Cr Steel |
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| Abstract: | The vacuum brazing of TiAl based alloy with 40Cr steel was investigated using Ag-Cu-Ti filler metal. The experimental results show that the Ag, Cu, Ti atoms in the filler metal and the base metal inter-diffuse toward each other during brazing and react at the interface to form an inter-metallic AlCu 2Ti compound which joins two parts to produce a brazing joint with higher strength. |
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| Keywords: | TiAl based alloy 40Cr steel Ag-Cu-Ti filler metal intermetallic AlCu 2Ti |
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