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動態(tài)與靜態(tài)退火對Ni5W合金基帶織構轉變的影響
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1.北京工業(yè)大學 材料科學與工程學院;2.北京工業(yè)大學材料科學與工程學院;3.清華大學熱能系

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中圖分類號:

TG146

基金項目:

國家自然科學基金(項目號51571002);北京市自然科學基金(項目號2172008);高等學校博士學科點專項科研基金(項目號20121103110012);2013年度北京市自然科學基金重點項目B類(項目號KZ201310005003);211計劃專項資金等資助。


Influences on Texture Transformation in Ni5W Alloy Substrates with Dynamic and Static Annealing
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College of Materials Science and Engineering,Beijing University of Technology

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    摘要:

    利用卷到卷動態(tài)退火方法熱處理Ni5W合金長帶和實驗室常規(guī)靜態(tài)方法熱處理Ni5W基帶短樣的過程中各晶體取向含量的變化規(guī)律存在明顯的差異。研究發(fā)現(xiàn),長帶動態(tài)熱處理過程較大的升溫速率使Cube形核不足后續(xù)長大遲緩,Cube取向含量的增長一度趨于停滯,同時S取向含量出現(xiàn)不降反升的現(xiàn)象,隨著溫度的進一步升高Cube取向含量急速增長。常規(guī)靜態(tài)熱處理過程進行保溫處理充分發(fā)揮Cube取向形核優(yōu)勢和長大優(yōu)勢,基帶在形核階段獲得大量的Cube晶核,隨著溫度的升高Cube晶核快速長大。實驗探究長帶動態(tài)熱處理方法和常規(guī)靜態(tài)熱處理方法之間的聯(lián)系,指導長帶的動態(tài)再結晶退火,推進實驗室短樣研究向長帶產(chǎn)業(yè)化的轉變。

    Abstract:

    The laws of the crystal orientation in the annealing process of Ni5W long tapes by the reel-to-reel method and Ni5W short tapes by the static method in laboratory are obvious differences. It finds that, with higher heating rate of dynamic annealing process, the formation of Cube nuclei is insufficient and growth of Cube nuclei is slow. Meanwhile, Cube orientation fraction stops growing and S orientation fraction doesn’t decrease at some point, and Cube orientation fraction growths rapidly with further increase of temperature. With the insulation heat treatment, Cube orientation nucleation and growth advantage are show in static annealing process. In the nucleation stage, many Cube nuclei are obtained, and Cube nuclei grow rapidly with the increase of temperature. The relationship between the reel-to-reel method and the static method were studied for guiding the recrystallization annealing of long tapes which helps the transformation of the study of the short tapes to the industrialization of the long tapes.

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喻丹,馬麟,索紅莉,劉婧,崔瑾,紀耀堂,梁雅儒,田輝.動態(tài)與靜態(tài)退火對Ni5W合金基帶織構轉變的影響[J].稀有金屬材料與工程,2018,47(12):3806~3810.[Yu Dan, Ma Lin, Suo Hongli, Liu Jing, Cui Jin, Ji Yaotang, Liang Yaru, Tian Hui. Influences on Texture Transformation in Ni5W Alloy Substrates with Dynamic and Static Annealing[J]. Rare Metal Materials and Engineering,2018,47(12):3806~3810.]
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  • 收稿日期:2017-03-30
  • 最后修改日期:2017-04-07
  • 錄用日期:2017-04-13
  • 在線發(fā)布日期: 2019-01-04
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