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Mn和Ce對(duì)再生Al-Si合金富鐵相的影響
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“973”計(jì)劃 (2007CB613702); 中央高?；究蒲袠I(yè)務(wù)基金 (CDJXS11132226)


Effect of Mn and Ce on the Fe-Rich Intermetallics in Secondary Al-Si Alloys
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    摘要:

    研究了Mn、Ce對(duì)再生Al-Si合金富鐵相的影響。分別采用光學(xué)顯微鏡(OM)、掃描電鏡(SEM)和能譜儀(EDX) 對(duì)試樣組織進(jìn)行形貌觀察分析和生成相進(jìn)行成分分析，利用差分掃描量熱儀(DSC)研究相轉(zhuǎn)變溫度。結(jié)果表明，當(dāng)Mn的含量為1% (質(zhì)量分?jǐn)?shù)) 時(shí)，合金組織出現(xiàn)了初生α-Fe相，同時(shí)添加0.1%Ce (質(zhì)量分?jǐn)?shù))時(shí)，能夠有效促進(jìn)初生α-Fe相形核與長(zhǎng)大

    Abstract:

    The effects of Mn and Ce on the Fe-rich intermetallics in secondary Al-Si alloys were studied. Microstructure morphology and phase-transition temperature of samples were examined and analyzed by optical microscope (OM), scanning electric microscope (SEM), energy dispersive X-ray (EDX) and differential scanning calorimetric (DSC). The results show that when Mn content was 1wt%, the primary α-Fe was formed in the alloys. At the same time, the addition of 0.1wt% Ce could cause a great increase of primary α-Fe particles

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范 超,龍思遠(yuǎn),楊懷德,王向杰,張均成. Mn和Ce對(duì)再生Al-Si合金富鐵相的影響[J].稀有金屬材料與工程,2014,43(3):660~664.[Fan Chao, Long Siyuan, Yang Huaide, Wang Xiangjie, Zhang Juncheng. Effect of Mn and Ce on the Fe-Rich Intermetallics in Secondary Al-Si Alloys[J]. Rare Metal Materials and Engineering,2014,43(3):660~664.]
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  • 收稿日期:2013-03-10
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  • 在線發(fā)布日期: 2014-06-27
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