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涂層導(dǎo)體用Ni-5at.%W長(zhǎng)帶制備研究
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北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院,北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院,北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院,北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院,北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院,北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院,北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院,北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院

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TG146

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國(guó)家自然科學(xué)基金(項(xiàng)目號(hào)51171002)、北京市自然科學(xué)基金(項(xiàng)目號(hào)2132011)、2013年度北京市自然科學(xué)基金重點(diǎn)項(xiàng)目B類(項(xiàng)目號(hào)KZ201310005003)、高等學(xué)校博士學(xué)科點(diǎn)專項(xiàng)科研基金資助(項(xiàng)目號(hào)20121103110012)、北京市屬高等學(xué)校創(chuàng)新團(tuán)隊(duì)建設(shè)與教師職業(yè)發(fā)展計(jì)劃項(xiàng)目(項(xiàng)目號(hào)IDHT20130510)等資助


Study on Fabrication of Ni-5at.%W long Tapes for Coated Conductors
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College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology

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    摘要:

    采用壓延輔助雙軸織構(gòu)基板制備路線成功軋制出長(zhǎng)度大于100m、厚度約為66μm的Ni-5at.%W(Ni5W)合金長(zhǎng)帶,從中截取10m長(zhǎng)帶在自制的卷到卷熱處理系統(tǒng)中進(jìn)行再結(jié)晶動(dòng)態(tài)退火處理。XRD織構(gòu)分析顯示,整條長(zhǎng)帶退火前的軋制織構(gòu)含量平均值為63.8%(≤10°),動(dòng)態(tài)退火長(zhǎng)帶面內(nèi)和面外織構(gòu)的半高寬平均值分別為7.2°和6.1°。EBSD分析發(fā)現(xiàn),基帶立方織構(gòu)含量為98.7%(≤10°),小角晶界含量為87.7%(≤10°)。長(zhǎng)帶軋制過(guò)程中變更軋機(jī)時(shí)增加首道次壓下量可以有效改善軋制過(guò)程中帶材斷裂的情況。此工藝可以制備出符合YBCO超導(dǎo)層需求的、具有高立方織構(gòu)含量和均勻性的Ni5W合金長(zhǎng)帶。

    Abstract:

    A 100-meter-long Ni-5at.%W (Ni5W) alloy tape with ~66μm thickness had been fabricated successfully by Rolling assisted bi-axially textured substrate route technique. A 10m long section was taken from the original piece and recrystallized in a home-designed reel-to-reel heat treatment system. The XRD texture characterization showed that the average content of rolling textures was 63.8% (≤10°) before annealing, and the average FWHM values of the in-plane and out-of-plane texture over the annealed tape length were 7.2° and 6.1° respectively. Moreover, EBSD analyses determined that the content of the cube texture reached 98.7% (≤10°) and that of the grain boundaries exceeded 87.7% (≤10°). In the cold-rolling process, increasing the reduction in the first pass while changing to another mill can effectively reduce the broken cases. These results will prove that the process described in this work has the ability to yield Ni-5at.%W tapes with a high cube texture and homogeneous qualities, which will be able to satisfy the requirements of the YBCO superconductive layer.

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馬麟,田輝,梁雅儒,孟易辰,彭發(fā)學(xué),王毅,高忙忙,索紅莉.涂層導(dǎo)體用Ni-5at.%W長(zhǎng)帶制備研究[J].稀有金屬材料與工程,2017,46(8):2249~2253.[Ma Lin, Tian Hui, Liang Yaru, Meng Yichen, Peng Faxue, Wang Yi, Gao Mangmang, Suo Hongli. Study on Fabrication of Ni-5at.%W long Tapes for Coated Conductors[J]. Rare Metal Materials and Engineering,2017,46(8):2249~2253.]
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  • 收稿日期:2015-03-31
  • 最后修改日期:2015-05-29
  • 錄用日期:2015-08-11
  • 在線發(fā)布日期: 2017-11-16
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