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Tungsten inert gas surface alloying of commercial purity titanium (CP-Ti) with Fe-C-Si ternary mixtures

Adeleke, S.A. and Maleque, Md. Abdul (2014) Tungsten inert gas surface alloying of commercial purity titanium (CP-Ti) with Fe-C-Si ternary mixtures. Advanced Materials Research, 1024. pp. 207-210. ISSN 1022-6680

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Abstract

In the present study, the surface of commercial purity titanium (CP-Ti) was alloyed with preplaced powder of Fe, C and Si using a tungsten inert gas (TIG) at different energy input. The effect of energy inputs (1080 and 1350 J/mm) on the melt geometry, topography, microstructure and hardness were examined. The results showed that TIG torch produced melt pools geometry with hemispherical in shape and different geometrical dimensions. Pores were seen to be concentrated at the edges where low melting energies are prominent to entrap escape gases upon fast melt olidification. The melt layers consisted of armed typed dendrites (TiC) and the sizes of dendrites were found to increase with increasing energy input. Microhardness of the surface alloyed layer was increased by 3-4 times compared to CP-Ti.

Item Type: Article (Journal)
Additional Information: 6103/37802
Uncontrolled Keywords: Commercial purity titanium (CP-Ti); TiC; TIG; dendrites; microhardness
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401 Materials of engineering and construction
T Technology > TN Mining engineering. Metallurgy > TN600 Metallurgy
T Technology > TS Manufactures > TS200 Metal manufactures. Metalworking
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Prof Dr. Md Abdul Maleque
Date Deposited: 19 Aug 2014 14:51
Last Modified: 19 Sep 2017 09:31
URI: http://irep.iium.edu.my/id/eprint/37802

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