Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18788
Title: Thermal expansion and deformation behaviour of aluminium-matrix composites in laser forming
Authors: Chan, KC 
Liang, J
Keywords: Aluminium-matrix composite
CTE
Laser forming
Reinforcement volume fraction
Issue Date: 2001
Publisher: Elsevier Sci Ltd
Source: Composites science and technology, 2001, v. 61, no. 9, p. 1265-1270 How to cite?
Journal: Composites Science and Technology 
Abstract: In this paper, the influence of reinforcement volume fraction on the thermal expansion behaviour and bending angle of two metal-matrix composites, Al2024/15SiCp and Al2024/20SiCp, in laser bending has been examined. It is found that under the same processing conditions a larger bending angle is obtained for the composite with 15% reinforcement. Three simple models have been used to predict coefficients of thermal expansion (CTE) of the composites. It is revealed that the agreement with experimental low-temperature CTEs is closer to the Turner model. At high temperature, the Kerner model is in better agreement with the experimental CTEs. On the basis of the Kerner model and a modified two-layer theoretical model for laser bending, the trend of the predicted bending angle is found to be consistent with the experimental findings.
URI: http://hdl.handle.net/10397/18788
ISSN: 0266-3538
DOI: 10.1016/S0266-3538(01)00025-2
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