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Studies on Titanium-Zirconium alloy in clinical application

Studies on Titanium-Zirconium alloy in clinical application
钛锆合金临床应用研究
批准号:
05452334
负责人:
NOGUCHI Hakuju
金额:
$3.84万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for General Scientific Research (B)
财政年份:
1993
资助国家:
日本
项目状态:
已结题
起止时间:
1993 至 1994

项目摘要

项目成果

NOGUCHI Hakuju的其他基金

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中文摘要
翻译
在本研究中使用了试验产品和一种市售投资和两种类型的铸造设备。对熔模和浇注系统(自旋式、离心式、加压式)的液粉比进行了浇注性能评价。采用方形蜡格花纹,铸造性能良好。在高液粉比的投资下,获得了良好的浇注性。采用自旋式离心浇注装置时,熔料透气性对浇注性能影响不大,而采用压力吸气式离心浇注装置时,透气性对浇注性能影响较大。另一方面,通过测量显微镜测量铸件边缘与金属模具牙龈边缘之间的间隙来确定铸件精度。采用市售的熔模,铸造精度较好。在900℃的温度下,低液粉比和较长的燃尽时间获得了良好的铸造精度。研究结果表明,要使Ti-Zr合金铸件与模具之间产生良好的适应性,必须使铸件体积膨胀0.6%。
英文摘要
Trial product and a commercially available investments and two types of casting apparatus were employed in this study. The castability was evaluated regarding the different liquid-to-powder ratio of investment and casting system (spin type centrifugal, pressure-aspirated type).The casting behavior was found to be good by using a square wax grid pattern. An excellent castability was attained in the high liquid-to-powder ratio of investment. By using the spin type centrifugal casting apparatus, gas permeability of investment had little influence on castability, but by using the pressure-aspirated type, it exerted much influence.On the other hand, the casting accuracy was determined as a gap between the margin of the castings and the gingival margin of the metal mold measured by means of measuring microscope.The casting accuracy was found to be good by using a commercially available investment. An excellent casting accuracy was attained in the low liquid-to-powder ratio and the long burn out time at the temperature of 900゚C.The results of this study indicate that the volume expansion of 0.6% is necessary for investment to produce the good adaptability between Ti-Zr alloy castings and the mold.
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Study on Electric Discharge Machining of Ceramics
  • 批准号:
    62480393
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
  • 资助金额:
    $3.71万
  • 财政年份:
    1987
  • 负责人:
    NOGUCHI Hakuju
  • 依托单位:
Effect of Adherend Characteristics for Bond Strength of Dental Resin Adhesives
  • 批准号:
    60570906
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)
  • 资助金额:
    $1.02万
  • 财政年份:
    1985
  • 负责人:
    NOGUCHI Hakuju
  • 依托单位: