功能梯度材料 (FGM)是一种组成非均质的新型材料,其能满足实际应用的迫切需要和具有巨大的经济前景。综述了国内外功能梯度材料的研究现状,阐述了功能梯度材料的概念和类型,着重介绍了金属/高分子梯度材料的制备方法,并指出了其存在的问题及不足。最后,提出了一种利用现有聚合物注射成型设备与工艺、且具有工业应用价值的热力学非平衡注射成型法。
Functionally graded materials (FGM) are a new type of material that is heterogeneous,it can meet the urgent needs of practical applications and has great economic prospects.The research status of FGM at home and abroad was reviewed,and expounded the concept and types of FGM,preparation methods and its problems and shortcomings were introduced emphatically.Finally,a thermodynamics non-equilibrium injection molding method using the traditional polymer injection molding equipment and technology was proposed,which had industrial application value.
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基金资助
国家自然科学基金(51574113)