Analysis of Functionally Graded Rotating Disks with Parabolic Concave Thickness Applying an Exponential Function and the Mori-Tanaka Scheme

被引：12
作者：
Bayat, M. [1 ,2 ]
Sahari, B. B. [1 ,2 ]
Saleem, M. [3 ]
Dezvareh, E. [4 ]
Mohazzab, A. H. [5 ]
机构：
[1] Univ Putra Malaysia, Inst Adv Technol ITMA, Serdang 43400, Selangor, Malaysia
[2] Univ Putra Malaysia, Dept Mech & Mfg Engn, Serdang 43400, Selangor, Malaysia
[3] AMU, ZH Coll Engn & Technol, Dept Appl Math, Aligarh, Uttar Pradesh, India
[4] Univ Kashan, Dept Mech Engn, Fac Engn, Kashan, Iran
[5] Islamic Azad Univ, Postgrad Sch, South Tehran Branch, Tehran, Iran
来源：
CONFERENCE ON ADVANCED MATERIALS AND NANOTECHNOLOGY (CAMAN 2009) | 2011年 / 17卷
关键词：
STRESSES; DEFORMATION;
D O I：
10.1088/1757-899X/17/1/012005
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, a semi-analytical investigation intended to determine the axisymmetric elastic response of functionally graded (FG) disks. The material properties of the disk are assumed to be graded continuously along the radial direction. An exponential function and the Mori-Tanaka scheme are used for estimating the effective material properties. Two kinds of functionally graded materials (FGMs) namely metal-ceramic and ceramic-metal are considered. Hollow disks are considered and the solutions for the displacements and stresses are given under appropriate boundary conditions. The effects of the material grading index n and the geometry of the disk on the displacements and stresses are investigated. The results in metal-ceramic and ceramic-metal FGMs are compared. These results show that radial displacement in Ceramic-Metal functionally graded disks are smaller than those in Metal-Ceramic FG disks. These results suggest that a rotating functionally graded disk with concave thickness profile can be more efficient than the one with uniform thickness.
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页数：11
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