Two-dimensional contact mechanics of functionally graded materials with arbitrary spatial variations of material properties

Two-dimensional contact mechanics of functionally graded materials with arbitrary spatial variations of material properties
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具有任意材料特性空间变化的功能梯度材料的二维接触力学

DOI:
10.1016/j.ijsolstr.2005.06.081
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发表时间:
2006-09
影响因子:
3.6
通讯作者:
Wang, Yue-Sheng
Wang, Yue-Sheng
中科院分区:
工程技术2区
文献类型:
--
作者:
Ke, Liao-Liang;Wang, Yue-Sheng

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建立了平面应变状态下弹性模数任意变化的功能梯度材料无摩擦接触分析的多层模型。基于任意曲线可以由一系列连续的分段线性曲线逼近的事实,将功能梯度材料分成若干子层,每一子层的剪切模量值假定为线性函数,而泊松比假设为常数。利用该模型研究了功能梯度涂层半空间的无摩擦接触问题。利用传递矩阵法和傅立叶积分变换技术,将问题化为柯西奇异积分方程组。通过数值求解方程,计算了不同压头的接触压力、接触区域和压痕。
A multi-layered model for frictionless contact analysis of functionally graded materials (FGMs) with arbitrarily varying elastic modulus under plane strain-state deformation has been developed. Based on the fact that an arbitrary curve can be approached by a series of continuous but piecewise linear curves, the FGM is divided into several sub-layers and in each sub-layers the shear modulus is assumed to be linear function while the Poisson’s ratio is assumed to be a constant. With the model, the frictionless contact problem of a functionally graded coated half-space is investigated. By using the transfer matrix method and Fourier integral transform technique, the problem is reduced to a Cauchy singular integral equation. The contact pressure, contact region and indentation are calculated for various indenters by solving the equations numerically.
DOI: --
发表时间: 1998
期刊: --
影响因子: --
作者:
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通讯作者: S. Suresh;A. Mortensen
DOI: 10.2307/3608787
发表时间: 1955-09
期刊: The Mathematical Gazette
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