Nukman, Nukman and Surya, Indra and Liantara, Rizki and Yani, Irsyadi and Arifin, Amir (2022) TGA / DTA Analysis for AA6061 with Fine Coal Blend. In: Sriwijaya International Conference on Engineering and Technology 2021 (SICETO 2021), 25-26 October 2021, Palembang. (In Press)
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Abstract
The purpose of this research is to determine the melting point, solidus point, and the amount of activation energy of the aluminum alloy AA6061, which is re-melted by adding fine coal. AA6061, which is commercial Aluminum, is re-smelted as a raw material. Sub-bituminous coal in the form of fine powder is added to the cylindrical tube. The burning of this powder when molten Aluminum is poured into the tube has given some changes to the thermal properties. Melting point temperature for Aluminum without the addition of pulverized coal is slightly in the case of aluminum powder treated with pulverized coal. The solidus temperature point for Aluminum treated with fine coal is slightly lower than for Aluminum not treated with coal.
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