Development of Precise Evaluation Method for Ceramic Plasma Sprayed Coatings

陶瓷等离子喷涂层精密评价方法的开发

基本信息

  • 批准号:
    59850124
  • 负责人:
  • 金额:
    $ 7.81万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research
  • 财政年份:
    1984
  • 资助国家:
    日本
  • 起止时间:
    1984 至 1985
  • 项目状态:
    已结题

项目摘要

BET (Brast Erosion Test) was conducted on plasma-sprayed <Al_2> <O_3> -Ti <O_2> system coatings in order to evaluate precisely mechanical properties of their coatings. The BET results were compated with Hardness test and scratch test results.The brast-erosion mechanism of ceramic coatings was certified by obserbing of blast erosion phenomena and measuring of brast erosion rate at various brast angles.The experimental erosion rate with variety of brast angle was coincident with brast erosion rate calculated by using fatigue propagation model.The brast erosion of ceramic coatings was caoused by fatigue crack propagation produed between ceramic coated particles by impact force of brast particles.It is possible to evaluate the layer binding force of ceramic particles in coatings by measuring the brast erosion rate. Moreover, there was a good relation between brast erosion rate and hardness for various ceramic coatings.By scratch test, the limit scratch lord for fracture of ceramic coatings was obtained and the value showed the layer binding strength of ceramic coatings.
对等离子喷涂&lt;Al_2&gt;&lt;O_3&gt;-Ti&lt;O_2&gt;系统涂层进行了BET试验,以准确评价其涂层的力学性能。BET结果与硬度试验和划痕试验结果进行了对比。通过对不同支撑角下的冲蚀现象的观察和对支撑层冲蚀率的测量,验证了陶瓷涂层的支撑层冲蚀机理。不同支撑角的实验冲蚀率与用疲劳扩展模型计算的支撑层的冲蚀率相吻合。陶瓷涂层的支撑层冲蚀是由于陶瓷涂层颗粒间的疲劳裂纹在支撑块的冲击力作用下扩展而引起的。通过测量支撑层的冲蚀率,可以评价陶瓷颗粒在涂层中的层结合力。通过划痕试验,得出了陶瓷涂层断裂的极限划痕主值,该值反映了陶瓷涂层的结合强度。

项目成果

期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Preprints of National Meeting of J.W.S.Vol. 36. (1985)
J.W.S.Vol 全国会议预印本。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
溶接学会全国大会講演概要. 36巻. P82 (1985)
日本焊接学会全国会议演讲摘要第 36 卷。P82 (1985)。
  • DOI:
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    0
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  • 通讯作者:
溶接学会全国大会講演概要. 37巻. (1985)
日本焊接学会全国会议演讲摘要第 37 卷(1985 年)。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Preprints of National Meeting of J.W.S.Vol. 37. (1985)
J.W.S.Vol 全国会议预印本。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
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OHMORI Akira其他文献

OHMORI Akira的其他文献

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{{ truncateString('OHMORI Akira', 18)}}的其他基金

The investigation of the injection mechanism into the plastic substrate by applying thermal spray technique and it's compound surface treatment
热喷涂塑料基体注射机理及其复合表面处理研究
  • 批准号:
    11309008
  • 财政年份:
    1999
  • 资助金额:
    $ 7.81万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
LIQUID SINTERING OF PLASMA-SPRAYED ZIRCONIA COATING BY PENETRATION TREATMENT OF LIQUID MN AND MN-CU ALLOYS
液态锰和锰铜合金渗透处理等离子喷涂氧化锆涂层的液态烧结
  • 批准号:
    06453087
  • 财政年份:
    1994
  • 资助金额:
    $ 7.81万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
Photoelectrochemical Properties of TiO_2 Coatings by LPC Plasma Spraying
LPC等离子喷涂TiO_2涂层的光电化学性能
  • 批准号:
    63550548
  • 财政年份:
    1988
  • 资助金额:
    $ 7.81万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

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