Abstract
Aluminum products are getting huge demand in automotive and aerospace applications due to their high strength-to-weight ratio. The use of aluminum alloys in structural and chemical industries seeks further research to boost their mechanical and chemical properties to improve wear and corrosion resistances. In this research, commercially pure aluminum was used as substrate material and titanium powder was alloyed using laser beam surface melting. The new surface created after processing has good result with improved hardness and corrosion resistance. Formation of fine dendrite microstructure in the alloy zone enhanced an improvement of surface property. It is also confirmed that surface scratch test has improved by 3% in deformation resistance as in the form of abrasive wear. Surface corrosion resistance in 2.5% H2SO4 was improved. The morphology of alloyed portion is free from metallurgical defects. The thickness of new surface was affected by laser beam parameters.
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