Paper Title:
Analysis of Heating Steady Temperature Field in an Al1100/Ti-6Al-4V/SiC 2D-FGM Plane Plate by FEM
  Abstract

The steady heat conduction problems under linear temperature load on upper surface in an Al1100/Ti-6Al-4V/SiC 2D-FGM plane plate are analyzed by the FEM. When the variation of the material composition in y-direction is linear, the plane temperature distributions with the changes of composition shape distribution coefficient mx and porosity coefficient Ax in x-direction are obtained. The results show that when mx<0.1, the temperature curve surface is upward convex. The smaller mx is, the bigger relative temperature gradient on the left side of the plate is. When mx>1.0, the temperature curve surface has smaller upward convex trend and becomes downward convex surface gradually with the increasing of the mx (except at =1). The bigger mx is, the bigger relative temperature gradient near the right ceramic side of the plate is. By comparison with the results of an Al1100/SiC 1D-FGM plate, in the 2D-FGM plane plate, when mx=0.5, the maximum value of the temperature difference near metal side increases by 15.6%, but the value near ceramic side reduces by 53%. The temperature curve surface has more obvious variation with the increasing of the Ax in the plate, especially it is when =0.3~0.5 and =0.2~0.5, the changes of the temperature difference value reach the maximum, and compared with Ax=0.0, the value of Ax=3.99 increases by 138.6% at =0.35 and =0.4. The results provide more comprehensive and concrete basis of calculation and the further analysis of thermal stress for the design and optimization of the 2D-FGM plane plate.

  Info
Periodical
Edited by
Daizhong Su, Qingbin Zhang and Shifan Zhu
Pages
235-238
DOI
10.4028/www.scientific.net/KEM.450.235
Citation
Y. J. Xu, L. L. Wang, H. Y. Du, "Analysis of Heating Steady Temperature Field in an Al1100/Ti-6Al-4V/SiC 2D-FGM Plane Plate by FEM", Key Engineering Materials, Vol. 450, pp. 235-238, 2011
Online since
November 2010
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