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Effect of Ag addition on mechanical properties of zinc-based alloy

Md. Azizan, Farihan and Purwanto, Hadi and Adesta, Erry Yulian Triblas and Mustafa, Mohd. Yusry (2011) Effect of Ag addition on mechanical properties of zinc-based alloy. In: International Conference in Mechanical & Manufacturing Engineering (ICME 2011), 6-8 June 2011, Putrajaya,Kuala Lumpur. (Unpublished)

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The application of Zinc-based alloy in giftware industry instead of tin is interesting since its price is less expensive. However, the use of zinc has some limitations such as mechanical properties. Machining, rolling and soldering are the most common manufacturing process in giftware. Therefore, modifying the properties of zinc based alloy is needed to use it for giftware material. This work focused on improving the mechanical properties of Zn based alloy by adding Ag. Mechanical properties were studied based on its tensile strength and elongation. The samples were prepared by melting the zinc at desired temperature then the alloying elements were added before poured into a mold to produce tensile test specimens. Fractography of the tensile specimen was further observed by using Scanning Electron Microscope (SEM) and Optical Microscope. The results showed that addition of Ag has significant effect on the improving of tensile strength and elongation of the zinc based alloy. The fracture surface of the tensile test specimen showed a mixed mode of fracture exhibiting ductile failure and brittle failure. Alloy with higher content of Ag tends to have more ductile failure then the brittle one. The alloys of Zn-20Sn-0.5Ag have very good tensile strength and elongation, which are better than Zn-20Sn-0.03Ag and Zn-20Sn-0.27Ag alloys.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: 5804/8006
Uncontrolled Keywords: zinc alloy, silver, giftware, mechanical properties, fracture
Subjects: T Technology > TN Mining engineering. Metallurgy > TN600 Metallurgy
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Hadi Purwanto
Date Deposited: 02 Dec 2011 16:28
Last Modified: 02 Dec 2011 16:28
URI: http://irep.iium.edu.my/id/eprint/8006

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