Zr-Cu-Ni非晶钎料真空钎焊TiAl合金/316L不锈钢接头的界面组织与剪切性能
TG401; 采用自主设计制备的Zr-42.9Cu-21.4Ni非晶钎料对TiAl合金和316L不锈钢进行真空钎焊,研究钎焊温度和钎焊时间对TiAl合金/316 L不锈钢异种金属接头微观组织和剪切性能的影响.结果表明:钎缝界面可以划分为6个不同的反应层.1040℃/10 min下制备的钎焊接头从TiAl合金到316L不锈钢侧界面组织依次为γ(TiAl)+AlCuTi/α2(Ti3 Al)+AlCuTi/AlCu+ZrCuNi+FeZr/Cu8 Zr3+ZrCuNi+TiFe+Fe2 Zr/FeZr+Fe2 Zr+TiFe2+ZrCu/α-(Fe,Cr).随着钎焊温度的升高,接头的抗剪强度先升高...
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Published in | 材料工程 Vol. 50; no. 5; pp. 52 - 61 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
大连理工大学 材料科学与工程学院,辽宁 大连 116024
20.05.2022
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Subjects | |
Online Access | Get full text |
ISSN | 1001-4381 |
DOI | 10.11868/j.issn.1001-4381.2021.000684 |
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Abstract | TG401; 采用自主设计制备的Zr-42.9Cu-21.4Ni非晶钎料对TiAl合金和316L不锈钢进行真空钎焊,研究钎焊温度和钎焊时间对TiAl合金/316 L不锈钢异种金属接头微观组织和剪切性能的影响.结果表明:钎缝界面可以划分为6个不同的反应层.1040℃/10 min下制备的钎焊接头从TiAl合金到316L不锈钢侧界面组织依次为γ(TiAl)+AlCuTi/α2(Ti3 Al)+AlCuTi/AlCu+ZrCuNi+FeZr/Cu8 Zr3+ZrCuNi+TiFe+Fe2 Zr/FeZr+Fe2 Zr+TiFe2+ZrCu/α-(Fe,Cr).随着钎焊温度的升高,接头的抗剪强度先升高后降低.当钎焊温度为1040℃和钎焊时间25 min时,接头抗剪强度达到最大值162 MPa.断口分析表明,接头在FeZr+Fe2 Zr+TiFe2+ZrCu界面处萌生,沿着Cu8 Zr3+ZrCuNi+TiFe+Fe2 Zr和α-(Fe,Cr)扩展,呈解理断裂. |
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AbstractList | TG401; 采用自主设计制备的Zr-42.9Cu-21.4Ni非晶钎料对TiAl合金和316L不锈钢进行真空钎焊,研究钎焊温度和钎焊时间对TiAl合金/316 L不锈钢异种金属接头微观组织和剪切性能的影响.结果表明:钎缝界面可以划分为6个不同的反应层.1040℃/10 min下制备的钎焊接头从TiAl合金到316L不锈钢侧界面组织依次为γ(TiAl)+AlCuTi/α2(Ti3 Al)+AlCuTi/AlCu+ZrCuNi+FeZr/Cu8 Zr3+ZrCuNi+TiFe+Fe2 Zr/FeZr+Fe2 Zr+TiFe2+ZrCu/α-(Fe,Cr).随着钎焊温度的升高,接头的抗剪强度先升高后降低.当钎焊温度为1040℃和钎焊时间25 min时,接头抗剪强度达到最大值162 MPa.断口分析表明,接头在FeZr+Fe2 Zr+TiFe2+ZrCu界面处萌生,沿着Cu8 Zr3+ZrCuNi+TiFe+Fe2 Zr和α-(Fe,Cr)扩展,呈解理断裂. |
Author | 吴宝生 董红刚 杨江 马月婷 李鹏 杨跃森 |
AuthorAffiliation | 大连理工大学 材料科学与工程学院,辽宁 大连 116024 |
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Author_FL | YANG Jiang WU Baosheng DONG Honggang LI Peng YANG Yuesen MA Yueting |
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DocumentTitle_FL | Interfacial microstructure and shear properties of vacuum brazing TiAl alloy/316L stainless steel j oint with Zr-Cu-Ni amorphous filler metal |
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Keywords | TiAl合金 真空钎焊 界面组织 Zr-Cu基非晶钎料 316L不锈钢 抗剪强度 |
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Snippet | TG401; 采用自主设计制备的Zr-42.9Cu-21.4Ni非晶钎料对TiAl合金和316L不锈钢进行真空钎焊,研究钎焊温度和钎焊时间对TiAl合金/316 L不锈钢异种金属接头微观组织和剪切性能... |
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Title | Zr-Cu-Ni非晶钎料真空钎焊TiAl合金/316L不锈钢接头的界面组织与剪切性能 |
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