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再结晶退火工艺对Ni5W合金长带织构的影响
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国家自然科学基金(51171002);北京市自然科学基金(2132011);博士点基金(20121103110012);北京市重点项目B类(KZ201310005003);北京市属高等学校创新团队建设计划项目(IDHT20130510)


Effect of Recrystallization Annealing on Texture Evolution of Ni5W Alloy Trip
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    摘要:

    采用中频感应熔炼方法制备Ni-5at%W合金锭,经锻造和热轧后,再冷轧到50 m长,厚度为60 μm的带材。随后在800~1200 ℃进行再结晶退火处理。在兼顾“高织构”和“浅晶界”要求下,得出1100 ℃/0.5 h是Ni5W合金基带最佳的退火工艺。根据X射线衍射(XRD)和电子背散射衍射技术(EBSD)结果,在1100 ℃/0.5 h时该Ni5W合金基带的再结晶立方织构含量达到98.9%(≤10°),且晶粒尺寸均匀。退火后的Ni5W合金基带扫描半高宽(FWHM)值和孪晶界含量接近德国Dresden公司商业化Ni5W合金基带的水平

    Abstract:

    A Ni-5at%W ingot was prepared by medium frequency induction melting. The ingot was forged, hot-rolled and cold-rolled into trips with 60 μm thickness and 50 m length. Recrystallization annealing for the substrate trip was carried out at different temperatures (800~1200 °C) for different time. Taking account of high cube texture and shallow boundary, the recrystallization annealing of 1100 °C/0.5 h is regarded as the best. According to X-ray diffraction and EBSD analyses, the cube grain content of the tape annealed at 1100 °C for 0.5 h reaches as high as 98.9% (tolerance angle of less than 10°), and grain size is uniform. The FWHM values of the in-plane and the content of crystal twin are slightly different from that of the commercial Ni5W tape supplied by Germany Dresden

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王 毅,索红莉,马 麟,王建宏,李孟晓,孟易辰,刘 敏.再结晶退火工艺对Ni5W合金长带织构的影响[J].稀有金属材料与工程,2013,42(12):2590~2593.[Wang Yi, Suo Hongli, Ma Lin, Wang Jianhong, Li Mengxiao, Meng Yichen, Liu Min. Effect of Recrystallization Annealing on Texture Evolution of Ni5W Alloy Trip[J]. Rare Metal Materials and Engineering,2013,42(12):2590~2593.]
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  • 收稿日期:2012-12-14
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