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行波磁場對ZL205A合金薄壁鑄件凝固缺陷和力學(xué)性能的影響
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哈爾濱工業(yè)大學(xué)材料科學(xué)與工程學(xué)院精密熱加工國家級重點實驗室,哈爾濱工業(yè)大學(xué)材料科學(xué)與工程學(xué)院精密熱加工國家級重點實驗室,哈爾濱工業(yè)大學(xué)材料科學(xué)與工程學(xué)院精密熱加工國家級重點實驗室,哈爾濱工業(yè)大學(xué)材料科學(xué)與工程學(xué)院精密熱加工國家級重點實驗室,哈爾濱工業(yè)大學(xué)材料科學(xué)與工程學(xué)院精密熱加工國家級重點實驗室,哈爾濱工業(yè)大學(xué)材料科學(xué)與工程學(xué)院精密熱加工國家級重點實驗室,首都航天機械公司,北京宇航系統(tǒng)工程研究所,首都航天機械公司,哈爾濱工業(yè)大學(xué)材料科學(xué)與工程學(xué)院精密熱加工國家級重點實驗室

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中圖分類號:

TG249.9

基金項目:

國家重點基礎(chǔ)研究發(fā)展計劃（973計劃）;國家重點基礎(chǔ)研究發(fā)展計劃(973)項目(項目號2011CB610406)、黑龍江省自然科學(xué)基金資助（項目號JC201209）


The Influence of Traveling Magnetic Field on Solidification Defects and Mechanical Properties of ZL205A Alloy Sheet Casts
Author:
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

Fund Project:

National Natural Science Foundation of China (51001046, 51274092); National Research Foundation for the Doctoral Program of Higher Education of China (20120161110040); Young Teacher Growth Fund of Hunan University (531107021095)

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    摘要:

    研究了凝固過程中局部加載行波磁場對ZL205A合金薄壁件縮孔、縮松和力學(xué)性能的影響。利用掃描電子顯微鏡對制備試樣的顯微組織進行分析，采用電子萬能材料試驗機對鑄件力學(xué)性能進行測試。結(jié)果表明：與相同條件下獲得的未施加行波磁場的鑄件進行對比，施加行波磁場的鑄件縮孔、縮松缺陷得到大幅改善；經(jīng)過T6熱處理后，抗拉強度、屈服強度、延伸率分別由436.61MPa、390.22MPa、3.29%提高到470.24MPa、416.97MPa、4.15%，抗拉強度和屈服強度分別提高了33.63MPa、26.75MPa，延伸率提高了26.14%。

    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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范學(xué)燚,王亮,駱良順,許紀剛,伊洪勇,陳瑞潤,周國柱,王寧,張建兵,蘇彥慶.行波磁場對ZL205A合金薄壁鑄件凝固缺陷和力學(xué)性能的影響[J].稀有金屬材料與工程,2016,45(12):3177~3180.[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. 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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  • 收稿日期:2014-09-10
  • 最后修改日期:2014-09-26
  • 錄用日期:2014-10-30
  • 在線發(fā)布日期: 2017-02-06
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