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NiTi合金線材無模拉拔加工過程熱力耦合數值模擬

畢重武,  何勇,  劉雪峰,  謝建新

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文章導航 > 工程科學學報  > 2008 >  30(11): 1249-1254
畢重武, 何勇, 劉雪峰, 謝建新. NiTi合金線材無模拉拔加工過程熱力耦合數值模擬[J]. 工程科學學報, 2008, 30(11): 1249-1254. doi: 10.13374/j.issn1001-053x.2008.11.013
引用本文: 畢重武, 何勇, 劉雪峰, 謝建新. NiTi合金線材無模拉拔加工過程熱力耦合數值模擬[J]. 工程科學學報, 2008, 30(11): 1249-1254. doi: 10.13374/j.issn1001-053x.2008.11.013
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BI Zhongwu, HE Yong, LIU Xuefeng, XIE Jianxin. Thermo-mechanical coupling analysis in the dieless drawing process of NiTi shape memory alloy wires[J]. Chinese Journal of Engineering, 2008, 30(11): 1249-1254. doi: 10.13374/j.issn1001-053x.2008.11.013
Citation: BI Zhongwu, HE Yong, LIU Xuefeng, XIE Jianxin. Thermo-mechanical coupling analysis in the dieless drawing process of NiTi shape memory alloy wires[J]. Chinese Journal of Engineering, 2008, 30(11): 1249-1254. doi: 10.13374/j.issn1001-053x.2008.11.013
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NiTi合金線材無模拉拔加工過程熱力耦合數值模擬

doi: 10.13374/j.issn1001-053x.2008.11.013

  • 北京科技大學材料科學與工程學院, 北京 100083

基金項目: 

No.50634010

教育部科技創新工程重大項目培育資金資助項目(No.705007)

教育部"新世紀優秀人才支持計劃"資助項目(No.NCET-06-0083)

國家自然科學基金資助項目(No.50474072

國家重點基礎研究發展計劃資助項目(No.2006CB605200)

No.50674008)

詳細信息
    作者簡介:

    畢重武(1980-),男,碩士研究生;謝建新(1958-),男,教授,博士生導師,E-mail:jxxie@ustb.ed

  • 中圖分類號: TG356.4;TB115

Thermo-mechanical coupling analysis in the dieless drawing process of NiTi shape memory alloy wires

  • School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

    摘要
  • 摘要: 結合所研制的連續式無模拉拔加工設備的實際情況,利用DEFORM有限元軟件建立了加工過程的熱力耦合有限元分析模型,開展了NiTi合金線材無模拉拔加工過程的熱力耦合模擬研究,獲得了線材無模拉拔加工過程的溫度場和應力場的分布規律,以及冷熱源距離、冷卻水流量及拉拔速度對成品線徑的影響規律.通過實驗驗證了模擬結果的正確性.

     

    Abstract: A thermo-mechanical finite element model was established for the developed continuous dieless drawing process equipment by using DEFORM finite element software. The temperature field and stress field in the continuous dieless drawing process of NiTi shape memory alloy wires were analyzed through the thermo-mechanical coupling simulation. The effects of distance between heater and cooler, cooling water flow-rate and drawing speed on the diameter of wires were investigated. The results were well consistent with the experimental ones.

     

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出版歷程
  • 收稿日期:  2007-11-23
  • 修回日期:  2008-01-14
  • 網絡出版日期:  2021-08-06

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