Numerical Simulation And Microstructural Investigation
Of An Aluminum-copper Alloy Processed By Laser Surface Remelting
Author(s)
N. Cheung, M.A. Pinto, M.C.F. Ierardi & A. Garcia
Abstract
Numerical simulation and microstructural
investigation of an aluminum-copper alloy
processed by laser surface remelting
N. Cheung, M.A. Pinto, M.C.F. Ierardi & A. Garcia
Department of Materials Engineering
State University of Campinas - UNICAMP, Brazil
Abstract
The aim of this work is to develop a mathematical model based on the finite
difference method in order to simulate the remelting process. Good agreement
between numerical and experimental results was obtained in the delimitation of
the remelted zone. The work also concerns the analysis of the microstructural
and hardness variations throughout samples of an aluminum-copper alloys (Al-
15 wt pct Cu) submitted to a laser surface remelting treatment. The specimens
were examined by optical and scanning electron microscopy. Microhardness
measurements were carried out on the transverse section for the resolidified and
unmolten regions.
1 Introduction
The ever-growing demand for new high performance materials to be used in
highly specialized
Keywords
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