| 行波磁场对ZL205A合金薄壁铸件凝固缺陷和力学性能的影响 |
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| 引用本文： | 范学燚,王亮,骆良顺,许纪刚,伊洪勇,陈瑞润,周国柱,王宁,张建兵,苏彦庆. 行波磁场对ZL205A合金薄壁铸件凝固缺陷和力学性能的影响[J]. 稀有金属材料与工程, 2016, 45(12): 3177-3180 |
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| 作者姓名： | 范学燚 王亮 骆良顺 许纪刚 伊洪勇 陈瑞润 周国柱 王宁 张建兵 苏彦庆 |
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| 作者单位： | 哈尔滨工业大学材料科学与工程学院精密热加工国家级重点实验室,哈尔滨工业大学材料科学与工程学院精密热加工国家级重点实验室,哈尔滨工业大学材料科学与工程学院精密热加工国家级重点实验室,哈尔滨工业大学材料科学与工程学院精密热加工国家级重点实验室,哈尔滨工业大学材料科学与工程学院精密热加工国家级重点实验室,哈尔滨工业大学材料科学与工程学院精密热加工国家级重点实验室,首都航天机械公司,北京宇航系统工程研究所,首都航天机械公司,哈尔滨工业大学材料科学与工程学院精密热加工国家级重点实验室 |
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| 基金项目： | 国家重点基础研究发展计划（973计划）;国家重点基础研究发展计划(973)项目(项目号2011CB610406)、黑龙江省自然科学基金资助（项目号JC201209） |
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| 摘 要： | 研究了凝固过程中局部加载行波磁场对ZL205A合金薄壁件缩孔、缩松和力学性能的影响。利用扫描电子显微镜对制备试样的显微组织进行分析,采用电子万能材料试验机对铸件力学性能进行测试。结果表明:与相同条件下获得的未施加行波磁场的铸件进行对比,施加行波磁场的铸件缩孔、缩松缺陷得到大幅改善;经过T6热处理后,抗拉强度、屈服强度、延伸率分别由436.61 MPa、390.22 MPa、3.29%提高到470.24 MPa、416.97 MPa、4.15%,抗拉强度和屈服强度分别提高了33.63 MPa、26.75 MPa,延伸率提高了26.14%。
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| 关 键 词： | 行波磁场；ZL205A合金；薄壁铸件；缩孔；缩松； |
| 收稿时间： | 2014-09-10 |
| 修稿时间： | 2014-09-26 |
The Influence of Traveling Magnetic Field on Solidification Defects and Mechanical Properties of ZL205A Alloy Sheet Casts |
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| Fan Xue Yi,Wang Liang,Luo Liang Shun,Xu Ji Gang,Yi Hong Yong,Chen Ruirun,Zhou Guo Zhu,Wang Ning,Zhang Jian Bing and SuYan Qing. The Influence of Traveling Magnetic Field on Solidification Defects and Mechanical Properties of ZL205A Alloy Sheet Casts[J]. Rare Metal Materials and Engineering, 2016, 45(12): 3177-3180 |
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| Authors: | Fan Xue Yi Wang Liang Luo Liang Shun Xu Ji Gang Yi Hong Yong Chen Ruirun Zhou Guo Zhu Wang Ning Zhang Jian Bing SuYan Qing |
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| Affiliation: | National Key Laboratory for Precision Hot Processing of Metals, School of Materials Science and Engineering, Harbin Institute of Technology,National Key Laboratory for Precision Hot Processing of Metals, School of Materials Science and Engineering, Harbin Institute of Technology,National Key Laboratory for Precision Hot Processing of Metals, School of Materials Science and Engineering, Harbin Institute of Technology,National Key Laboratory for Precision Hot Processing of Metals, School of Materials Science and Engineering, Harbin Institute of Technology,National Key Laboratory for Precision Hot Processing of Metals, School of Materials Science and Engineering, Harbin Institute of Technology,National Key Laboratory for Precision Hot Processing of Metals, School of Materials Science and Engineering, Harbin Institute of Technology,China Shoudu Space Machinery Company,Beijing Institute of aerospace system engineering,China Shoudu Space Machinery Company,National Key Laboratory for Precision Hot Processing of Metals, School of Materials Science and Engineering, Harbin Institute of Technology |
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| Abstract: | The effect of local loading traveling magnetic field on shrinkage cavity and porosity and mechanical properties of ZL205A sheet casts was studied. The microstructure and mechanical properties were analyzed by scanning electron microscope and electronic universal material testing machine, respectively. Results show that under travelling magnetic field, the shrinkage cavity and porosity decrease greatly, and the tensile strength, yield strength and elongation increase from 436.61MPa, 390.22MPa and 3.29% to 470.24MPa, 416.97MPa and4.15%, respectively. The tensile strength and yield strength increase by 33.63MPa and 26.75MPa, and the elongation increases by 26.14%. |
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| Keywords: | travelling magnetic field ZL205A alloy sheet casts shrinkage cavity and porosity |
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