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徑向鍛式應(yīng)變誘發(fā)法制備半固態(tài)坯料的研究
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作者單位:

西安交通大學(xué),西安交通大學(xué),西安交通大學(xué)

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中圖分類號:

TG146.2 1

基金項目:

國家自然科學(xué)基金重點(diǎn)項目資助(項目號51335009)；國家04重大科技專項資助(項目號2011ZX04001-011)；國家自然科學(xué)基金資助(項目號51305334)


Semi-Solid Billets Prepared by Radial Forging Strain-Induced Melt Activation
Author:
Affiliation:

Xi’an Jiaotong University,Xi’an Jiaotong University,Xi’an Jiaotong University

Fund Project:

The National Natural Science Foundation of China for Key Program(Grant No. 51335009); The Major National Science and Technology Project of China(Grant No. 2011ZX04001-011); The National Natural Science Foundation of China(Grant No.51305334 )

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    摘要:

    采用徑向鍛式應(yīng)變誘發(fā)法對鋁合金6063擠壓棒料進(jìn)行處理,主要研究了徑向鍛對鋁合金6063微觀組織的影響,討論分析了對鋁合金6063直接半固態(tài)等溫處理和先徑向鍛預(yù)變形后半固態(tài)等溫處理兩種方式下的半固態(tài)微觀組織演化過程。結(jié)果表明：隨著斷面收縮率的增加,徑向鍛后鋁合金6063微觀組織的緊密程度增加,但當(dāng)斷面收縮率高于70%時,該變化趨勢不明顯；相比于半固態(tài)等溫處理法,采用徑向鍛式應(yīng)變誘發(fā)法能夠獲得較為理想的半固態(tài)坯料微觀組織。

    Abstract:

    The radial forging strain-induced melt activation (RFSIMA) is adopted to process the as-extruded 6063 aluminum alloy. In this research, the influence of radial forging on the microstructure of as-extruded 6063 aluminum alloy has been investigated. The semi-solid microstructural evolution generated by the directly semi-solid isothermal treatment, and initially radial forging predeformation and then semi-solid isothermal treatment have been analyzed. The results indicated that the compaction degree of RF-deformed 6063 aluminum alloy microstructure gradually increases as the area reduction increases. However, this increasing pattern is not obviously when the area reduction increases from 70% to 85%. In addition, the more ideal semi-solid microstructure can be obtained through RFSIMA as compared with the directly semi-solid isothermal treatment.

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引用本文

王永飛,趙升噸,張晨陽.徑向鍛式應(yīng)變誘發(fā)法制備半固態(tài)坯料的研究[J].稀有金屬材料與工程,2017,46(12):3875~3881.[Wang Yongfei, Zhao Shengdun, Zhang Chenyang. Semi-Solid Billets Prepared by Radial Forging Strain-Induced Melt Activation[J]. Rare Metal Materials and Engineering,2017,46(12):3875~3881.]
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  • 收稿日期:2015-10-09
  • 最后修改日期:2015-10-21
  • 錄用日期:2015-11-18
  • 在線發(fā)布日期: 2018-01-04
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