• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Materials Science and Engineering >Grain size effects of tungsten powder on the micro-structure and mechanical properties of tungsten-based alloys
【24h】

Grain size effects of tungsten powder on the micro-structure and mechanical properties of tungsten-based alloys

机译：钨粉粒度对钨基合金组织和力学性能的影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Bulk W-0.5 wt% ZrC (WZC) plates were fabricated using tungsten powders with different powder grain sizes of 0.2 mu m, 0.5 mu m and 2.8 mu m, respectively. The different grain sizes resulted in completely different micro-structures and mechanical properties of as-rolled WZC plates. For the tungsten plate prepared from the initial powder with grain size of 0.5 mu m (0.5WZC), more excellent mechanical properties were achieved than those of plates made of powders with grain sizes of 0.2 mu m (0.2WZC) and 2.8 mu m (2.8WZC). In the as-rolled 0.5WZC, the ductile brittle transition temperature is as low as 150 degrees C and ultimate tensile strength is as high as 932 MPa at 150 degrees C, respectively. Moreover, the 0.5WZC plate has the most outstanding high-temperature stability with a recrystallization temperature of 1500 degrees C. Micro-structure analysis indicates that the second-phase particles are uniformly distributed in the 0.5WZC, but serious particle aggregation occur in the 2.8WZC. The possible micro-mechanisms have been proposed.
机译：使用具有分别为0.2μm，0.5μm和2.8μm的不同粉末粒度的钨粉来制造大块W-0.5wt％的ZrC（WZC）板。不同的晶粒尺寸导致WZC轧制板的微观结构和力学性能完全不同。对于由粒度为0.5μm（0.5WZC）的初始粉末制备的钨板，其机械性能要比由粒度为0.2μm（0.2WZC）和2.8μm的粉末制成的钨板更高。 2.8WZC）。在轧制的0.5WZC中，韧性脆性转变温度低至150摄氏度，极限抗拉强度在150摄氏度时高达932 MPa。此外，0.5WZC板的再结晶温度为1500摄氏度时具有最出色的高温稳定性。微结构分析表明，第二相颗粒均匀地分布在0.5WZC中，但在2.8W中发生了严重的颗粒聚集WZC。已经提出了可能的微机制。

著录项

  • 来源
    《Materials Science and Engineering》 |2019年第29期|216-223|共8页
  • 作者

    Wang M. M.; Xie Z. M.; Deng H. W.; Yang J. F.; Wang Y. K.; Zhang T.; Xiong Y.; Wang X. P.; Fang Q. F.; Liu C. S.;

  • 作者单位

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China|Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China;

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China;

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China|Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China;

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China;

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China|Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China;

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China|Univ GuangZhou, Sch Phys & Elect Engn, Guangzhou 510405, Guangdong, Peoples R China;

    Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Peoples R China;

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China;

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China;

    Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Grain size effect; WZC alloy; Mechanical property; Thermal stability;

    机译：晶粒尺寸效应;WZC合金;力学性能;热稳定性;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号