多晶材料弹性矩阵计算的几何平均模型被引量：2

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摘要在多晶材料弹性常数计算方面最常用的是Hill模型和Kroner模型,但Hill模型所定义的刚度系数和柔度系数相互之间不自洽,计算结果没有明确的物理意义;而Kroner模型计算过程比较复杂,使用不便。利用统计学原理推导得到的几何平均模型,解决了Hill模型计算结果不自洽的问题,并避免了复杂的计算过程。对一些常用材料的计算结果表明几何平均模型与Kroner模型的计算结果非常接近,一般不超过1％,计算结果比较可靠和准确。

作者张铭郑茂盛何家文

机构地区西安交通大学金属材料强度国家重点实验室

出处《自然科学进展（国家重点实验室通讯）》北大核心 2001年第5期518-521,共4页

基金国家自然科学基金(批准号:59731020)

关键词几何平均模型弹性矩阵多晶材料

分类号 O343 [理学—固体力学] TB301 [一般工业技术—材料科学与工程]

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