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作者:

Peng, Fa-Xue (Peng, Fa-Xue.) | Suo, Hong-Li (Suo, Hong-Li.) (学者:索红莉) | Ma, Lin (Ma, Lin.) | Tian, Hui (Tian, Hui.) | Liu, Min (Liu, Min.) | Liu, Jing (Liu, Jing.) | Yu, Dan (Yu, Dan.) | Meng, Yi-Chen (Meng, Yi-Chen.)

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摘要:

The Ni9.3W alloy with no ferromagnetism and high yield strength is one of the most promising textured substrate materials for coated conductors, but its low stacking fault energy makes it difficult to obtain a strong cube texture by traditional rolling methods and recrystallization anneals. This paper introduces four-time static recoveries during the rolling process. Rolled tapes with 80 mu m in thickness were obtained by applying various deformation sequences between static recoveries to study their effects on the cube texture formation in Ni9.3W alloy substrates. The results show that rising gradient deformation sequence is an advantageous way to obtain a higher amount of cube texture, its content increases by 29.2% compared to that of traditional deformation sequence. The effect of the new recrystallization annealing process on the cube texture formation was analyzed. It is shown that the cube texture content increases with anneal temperature increasing in one-step anneal, but decreases again at higher anneal temperature. Two-step anneal could effectively improve the cube texture content, which could be further enhanced by extending holding time during the first-step anneal. However, too long holding time leads to the decrease in cube texture content. Finally, Ni9.3W alloy substrates with a cube texture content of similar to 90.0 vol% (< 15A degrees) are obtained by optimized two-step anneal.

关键词:

Anneal process Cube texture Deformation sequence Ni9.3W substrates

作者机构:

  • [ 1 ] [Peng, Fa-Xue]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Suo, Hong-Li]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Ma, Lin]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Tian, Hui]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Liu, Min]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Liu, Jing]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 7 ] [Yu, Dan]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 8 ] [Meng, Yi-Chen]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • 索红莉

    [Suo, Hong-Li]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

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来源 :

RARE METALS

ISSN: 1001-0521

年份: 2018

期: 8

卷: 37

页码: 662-667

8 . 8 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:131

JCR分区:3

被引次数:

WoS核心集被引频次: 1

SCOPUS被引频次:

ESI高被引论文在榜: 0 展开所有

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