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Ti–4.5Al–6.5Mo–2Cr–2.6Nb-2Zr-1Sn鈦合金的高溫變形行為
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西北工業(yè)大學(xué)材料學(xué)院

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High temperature deformation behavior of Ti-4.5Al-6.5Mo-2Cr-2.6Nb-2Zr-1Sn titanium alloy
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School of Materials Science and Engineering, Northwest Polytechnic University

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    摘要:

    超高強(qiáng)韌鈦合金是制造超規(guī)格航空結(jié)構(gòu)件的骨干材料。本文通過(guò)熱模擬壓縮實(shí)驗(yàn)研究了Ti–4.5Al–6.5Mo–2Cr–2.6Nb-2Zr-1Sn鈦合金高溫變形行為，采用臨界條件動(dòng)力學(xué)模型建立高溫下動(dòng)態(tài)再結(jié)晶體積分?jǐn)?shù)預(yù)測(cè)模型。本研究取得的階段性成果將為超大尺寸、復(fù)雜形狀的關(guān)鍵結(jié)構(gòu)件的集成制造提供有效的理論支撐。

    Abstract:

    Titanium alloys with high strength and toughness are the backbone material for manufacturing super-standard aeronautical structures. In present research, High temperature deformation behavior of the Ti-4.5Al-6.5Mo-2Cr-2.6Nb-2Zr-1Sn Ti-alloy has been investigated by thermal simulation compression experiment. The critical condition dynamic model was used to establish the prediction model of dynamic recrystallization volume fraction during hot deformation processing. The results obtained in this study will provide an effective theoretical support for the integrated manufacturing of key structural components with super-large size and complex shape.

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張勇,王敏,王富康,屈鐸,寧永權(quán). Ti–4.5Al–6.5Mo–2Cr–2.6Nb-2Zr-1Sn鈦合金的高溫變形行為[J].稀有金屬材料與工程,2020,49(3):944~949.[Zhang Yong, Wang Min, Wang Fukang, Qu Duo, Ning Yongquan. High temperature deformation behavior of Ti-4.5Al-6.5Mo-2Cr-2.6Nb-2Zr-1Sn titanium alloy[J]. Rare Metal Materials and Engineering,2020,49(3):944~949.]
DOI：10.12442/j. issn.1002-185X.17Ti2019034

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  • 收稿日期:2019-01-09
  • 最后修改日期:2019-07-28
  • 錄用日期:2019-07-30
  • 在線發(fā)布日期: 2020-04-08
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