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初始晶粒尺寸和軋制間回復退火對Ni-9.3at%W合金基帶立方織構(gòu)形成影響的研究
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國家自然科學基金(51171002);北京市自然科學基金;北京市教育委員會科技計劃重點項目(KZ201310005003);中央財政支持地方高校建設(shè)專項資金;北京市級創(chuàng)新團隊建設(shè)提升計劃;211計劃專項資金


Effect of Initial Grain Size and Intermediate Recovery Annealing on the Formation of Cube Texture in Ni-9.3at%W Substrate
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    摘要:

    無磁性、高強度Ni-9.3at%W(Ni9W)合金由于其較低的層錯能,難以通過傳統(tǒng)的軋制及再結(jié)晶退火得到強立方織構(gòu)。本工作采用熔煉制坯路線,結(jié)合均勻化退火和中間再結(jié)晶退火的方法得到了晶粒尺寸細小,合金元素W均勻分布的Ni9W坯錠,通過總變形量為99%的軋制,中間引入四次軋制間回復退火得到了厚度為80 μm的Ni9W軋制基帶,最后采用兩步再結(jié)晶退火的方式得到了再結(jié)晶立方織構(gòu)含量為80.2%(<10o)的Ni9W合金基帶。

    Abstract:

    It is difficult to obtain a sharp cube texture through the traditional cold rolling and recrystallization annealing procedure in the non-magnetic and high yield strength Ni-9.3at%W (Ni9W) alloy due to its low stacking fault energy. In this paper, a Ni9W ingot with fine grain and homogenized tungsten distribution was prepared by the conventional metallurgy technique combined with homogenization annealing and intermediate recrystallization annealing. The rolling substrate with 80 μm thickness was obtained through intensive cold rolling and four-time intermediate recovery annealing. The total thickness reduction was 99%. A fraction of 80.2% (<10°) of cube orientation was measured for the Ni9W alloy tape through the two-step recrystallization annealing method.

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王金華,索紅莉,馬 麟,田 輝,孟易辰,李孟曉,王 毅,劉 敏,王高生.初始晶粒尺寸和軋制間回復退火對Ni-9.3at%W合金基帶立方織構(gòu)形成影響的研究[J].稀有金屬材料與工程,2014,43(8):2027~2031.[Wang Jinhua, Suo Hongli, Ma Lin, Tian Hui, Meng Yichen, Li Mengxiao, Wang Yi, Liu Min, Wang Gaosheng. Effect of Initial Grain Size and Intermediate Recovery Annealing on the Formation of Cube Texture in Ni-9.3at%W Substrate[J]. Rare Metal Materials and Engineering,2014,43(8):2027~2031.]
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  • 收稿日期:2013-09-13
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  • 在線發(fā)布日期: 2015-01-04
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