Vol. 40, No. 4 (2017) (16)

Mechanical Properties of Castings Aluminium Waste which is Smelted in Simple Furnace with a Variety of Fuels

Author(s): 
Nukman †*, Riman Sipahutar †, Aipon †, Rudy Y S†, Prana Rahmadi†, Ahmad Taufik Arief ‡

Affiliation(s): 

† Mechanical Engineering Department, *Email: [email protected]
‡ Mining Engineering Department, Engineering Faculty, University of Sriwijaya, Jl. Raya Prabumulih km 32 Inderalaya (30662), Indonesia
 
Cite this paper
Nukman, Riman Sipahutar, Aipon, Rudy Y S, Prana Rahmadi, Ahmad Taufik Arief ,  “Mechanical Properties of Castings Aluminium Waste which is Smelted in Simple Furnace with a Variety of Fuels”, Journal of Mechanical Engineering Research and Developments, vol. 40, no. 4, pp. 692-698, 2017. DOI: 10.7508/jmerd.2017.04.016

ABSTRACT: In The aim of the research was to compare the mechanical properties of castings aluminium waste which is smelted in simple furnace with a variety of fuels. Smelting performed at a constant temperature of 750oC for each furnace. The sample of the castings is treated hot at 350 °C with the holding time of 2 hours. Raw materials from beverage cans samples that are smelted into crusible furnaces with a mixture of fuel between charcoal wood with coke (sample E) have the lowest tensile test value and after annealing heat treatment, the tensile test value increases, as the grains of the atoms turn into more regularly and create a new, stronger structure. When the results of this heat treatment process were compared to samples with mixed raw materials between Cable, Electric Iron Element, Beverage cans, Cooking ware and Rim, which were melted with mixed fuel between diesel oil and kerosene in crusible furnaces (sample F), the tensile test is lower. The lowest value of the impact test is found in the sample of beverage cans that is melted in a Crucible furnace with a mixture of charcoal and coke (sample E). The largest impact test value was obtained from the furnace process using used lubricating oil for cable mixed materials, Electric Iron Element, beverage cans and rim (sample C). The heat treatment performed gives a clear effect of the decline in the value of violence. Materials such as cables, Electrical Iron Elements, beverage cans, cookware and rims are melted in a Crucible furnace (sample F), the hardness decreases after heat treatment. Raw materials such as Cable, Electrical Iron Elements, Beverage Cans, Cookware and Rims, smelted in furnaces with used lubricating oils (Example C), have shown great mechanical properties greater than other samples.

Keywords : Aluminum waste; furnaces; fuels; heat treatment; mechanical properties.

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