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Fabrication of infrared-transparent 3Y-TZP ceramics with small grain size by pre-sintering in an oxygen atmosphere and hot isostatic pressing

机译:通过在氧气气氛中预烧结和热等静压,用小粒度制造具有小粒度的红外透明3Y-TZP陶瓷

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摘要

Infrared-transparent 3 mol% tetragonal zirconia polycrystalline (3Y-TZP) ceramics with small grain size were fabricated by pre-sintering in an oxygen atmosphere and hot isostatic pressing (HIP). The microstructure, mechanical, optical, and elevated-temperature properties of the ceramics were investigated. Pre-sintering in an oxygen atmosphere suppressed the grain growth effectively, and the grain size reached approximately 138 nm. The small grain size led to an increased Vickers hardness of 13,790 MPa. The ceramics also exhibited a high transmittance of 76-78% in the range of 3-5 mu m. The in-line transmittance remained stable with the temperature elevated to 400 degrees C. Overall, the results indicated that pre-sintering in an oxygen atmosphere and HIP was an effective method to prepare infrared-transparent 3Y-TZP ceramics with small grain size.
机译:通过在氧气气氛中预烧结和热等静压(臀部),通过预烧结制造具有小粒度的红外透明3mol%四方氧化锆多晶(3Y-TZP)陶瓷。 研究了陶瓷的微观结构,机械,光学和升高的温度性质。 在氧气气氛中预烧结有效地抑制了晶粒生长,晶粒尺寸达到约138nm。 小晶粒尺寸导致高温的长度为13,790MPa。 陶瓷在3-5μm的范围内也显示出76-78%的高透射率。 总体上透射率保持稳定,温度升高至400摄氏度。总体而言,结果表明,氧气气氛和髋部中的预烧结是制备具有小晶粒尺寸的红外透明3Y-TZP陶瓷的有效方法。

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  • 来源
    《CERAMICS INTERNATIONAL》 |2018年第2期|共5页
  • 作者单位

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

    Chinese Acad Sci Shanghai Inst Opt &

    Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 陶瓷工业;硅酸盐工业;
  • 关键词

    Infrared-transparent 3Y-TZP ceramics; Oxygen atmosphere; Grain size;

    机译:红外线透明3Y-TZP陶瓷;氧气气氛;晶粒尺寸;

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