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鈦基梯度功能材料的復(fù)合結(jié)構(gòu)研究進(jìn)展
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TG146

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國(guó)家自然科學(xué)基金資助項(xiàng)目(50175057)，航空基礎(chǔ)科學(xué)基金資助項(xiàng)目(98B51027)


Progress in Titanium Matrix Functionally Gradient Materials Complex Structure
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    摘要:

    介紹了鈦基梯度功能材料復(fù)合結(jié)構(gòu)的概念和開發(fā)背景，回顧了近些年來(lái)在鈦基梯度功能材料宏細(xì)觀尺度研究方面所取得的研究成果，并對(duì)鈦基梯度功能材料復(fù)合結(jié)構(gòu)的發(fā)展趨勢(shì)作一展望。由于這種材料中，各組分材料的體積含量在空間位置上是連續(xù)變化的，其物理性能沒(méi)有突變，因而可較好地避免諸如在纖維增強(qiáng)復(fù)合材料中經(jīng)常出現(xiàn)的層間應(yīng)力問(wèn)題或降低應(yīng)力集中現(xiàn)象。梯度功能材料目前已被發(fā)展用來(lái)作高溫環(huán)境下的結(jié)構(gòu)用件，本文著重論述了鈦基梯度功能材料復(fù)合結(jié)構(gòu)在材料優(yōu)化分析領(lǐng)域的研究現(xiàn)狀及其應(yīng)用前景，并提出需要進(jìn)一步研究的方向。

    Abstract:

    The concept and the development background of titanium matrix functionally gradient materials(FGM)complex structure are introduced.The macro-meso-scopic scale of research results of FGM are reviewed and the development trends in the area are prospected.By gradually varying the volume fraction of the constituent materials, their material properties exhibit a smooth and continuous change with respect to the spatial location, thus being void of interface problems that are usually associated with fiber-reinforced composites and with less severe thermal stress concentrations. FGMs are now developed for general use as structural components in extremely high temperature environments. The current status of research and the application prospects for materials optimization analysis of FGM complex structure are especially discussed.Future research needs are highlighted.

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李永 宋健 張志民.鈦基梯度功能材料的復(fù)合結(jié)構(gòu)研究進(jìn)展[J].稀有金屬材料與工程,2005,34(2):178~183.[Li Yong, Song Jian, Zhang Zhimin . Progress in Titanium Matrix Functionally Gradient Materials Complex Structure[J]. Rare Metal Materials and Engineering,2005,34(2):178~183.]
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  • 最后修改日期:2003-07-28
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