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Paper Title :
Effect of Scanning Speed on the Material Characterizations of Laser Deposited Titanium Alloy and Copper

Author :Mutiu F. Erinosho, Esther T. Akinlabi, Oluwagbenga Johnson, Gbadebo Owolabi

Article Citation :Mutiu F. Erinosho ,Esther T. Akinlabi ,Oluwagbenga Johnson ,Gbadebo Owolabi , (2017 ) " Effect of Scanning Speed on the Material Characterizations of Laser Deposited Titanium Alloy and Copper " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 53-56, Volume-5, Issue-4, Spl. Iss-2

Abstract : Laser Metal Deposition (LMD) belongs to a class of advanced materials that are manufactured using additive manufacturing techniques. Titanium alloy (T64) is commonly used for aerospace, marine, biomedical and automotive components due to its combined amazing properties. Copper (Cu) is a beta phase stabilizer and its behaviour in the alloy has been studied. This paper focuses on the influence of scanning speed on the laser deposited titanium alloy and copper composites (T6450Cu50). Equal weight proportion of T6450Cu50 was deposited on T64 substrate by varying the scanning speed from 0.5 m/min to 2 m/min while other parameters are kept constant. The microstructural behaviour and the microhardness measurement have been investigated and reported. The interaction time between the nozzle and the substrate during laser deposition determines on the depth and width of the heat affected zone; the melt pool created on the substrate has also influenced the meld of the participating powders to the substrate. The relationship between the scanning speed and the deposited area has provided a way of controlling the desired deposit range during manufacturing or the repair of a component. Keywords - Laser metal deposition, microstructure, micro-hardness measurements, T6450Cu50 composite.

Type : Research paper

Published : Volume-5, Issue-4, Spl. Iss-2


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