2 mm）才能獲得較好的剛度和應(yīng)力分布，在臨床條件下可以滿足這一厚度要求。"/>

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低彈性模量鈦合金用于鈦烤瓷的力學(xué)分析
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第四軍醫(yī)大學(xué)“院創(chuàng)新工程項(xiàng)目”（42413JC）


Mechanical Analysis of Titanium Alloy with Low Elastic Modulus for Ceramic-Metal
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    摘要:

    鈦與烤瓷結(jié)合強(qiáng)度的不足制約了臨床上鈦瓷修復(fù)體的應(yīng)用，本研究嘗試引入低彈性模量鈦合金烤瓷的概念，并用力學(xué)計(jì)算方法對(duì)金瓷界面承受剪切、中部彎曲載荷等破壞條件予以模擬和分析論證。結(jié)果表明，低彈性模量鈦合金在承受剪切作用力時(shí)界面應(yīng)力水平低于純鈦6%以上，在承受中部彎曲載荷條件下低彈性模量鈦合金需要增加金屬基底厚度（>2 mm）才能獲得較好的剛度和應(yīng)力分布，在臨床條件下可以滿足這一厚度要求。

    Abstract:

    Insufficient bond strength between ceramic and titanium restricts their application in clinic. The attempt of the present study is made to introduce a concept of the titanium alloy with low elastic modulus for simulating and investigating different destroying conditions such as shear load at metal-ceramic interface, middle bending load etc. The results indicate that the interface stress level of titanium alloy with low elastic modulus is 6% lower than that of pure titanium when the alloy is subjected to shear load. On the condition of being subjected to middle bending load, the thickness of titanium alloy substrates of low elastic modulus should be increased to obtain better match between stiffness and stress distribution, which could be well satisfied in clinic (thickness>2 mm).

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趙彥濤,張玉梅,于振濤,孔 亮,趙銥民.低彈性模量鈦合金用于鈦烤瓷的力學(xué)分析[J].稀有金屬材料與工程,2009,38(8):1386~1389.[Zhao Yantao, Zhang Yumei, Yu Zhentao, Kong Liang, ZhaoYimin. Mechanical Analysis of Titanium Alloy with Low Elastic Modulus for Ceramic-Metal[J]. Rare Metal Materials and Engineering,2009,38(8):1386~1389.]
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  • 收稿日期:2008-12-25
  • 最后修改日期:2009-04-14
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