PEMBUATAN KOMPOSIT TEMBAGA/ABU TERBANG BERPORI DENGAN KUNING TELUR SEBAGAI PEMBENTUK PORI

CHANDRA, SURYA ADI and Arifin, Amir (2020) PEMBUATAN KOMPOSIT TEMBAGA/ABU TERBANG BERPORI DENGAN KUNING TELUR SEBAGAI PEMBENTUK PORI. Undergraduate thesis, Sriwijaya University.

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Abstract

Copper is a metal that is often to use based of its excellent conductor properties, great thermal conductivity, good corrosion resistant, easy to form, and fatique resistance. The making of composite foam made from copper is very interesting to make in purpose to increase its properties and reduce its density. The Composite Foam with Copper as base material uses the Powder Metallurgy Method with a mixture of Fly Ash as a reinforcement, and egg yolk as foaming agent. There are several Testing and observation included in this research are Shrinkage Calculation to calculate the shrink of the specimen. When the calculation began we know that the shrinkage increase with addition of egg yolks. Then, there is Density Calculation to find how big the density we got after the specimen have made and we got the result that the density of composite we have made have lower density than the copper theoretically and the variation that can be make repeatable is the variation 1:1,25. Porosity calculation to find how big the percentage of porous in each specimen and we got the porosity mean with the lowest is 71.53% and the highest is 88,79%. . After that, there is Compression test to determine the mechanical strength of the specimen we have made. From the compression test we got several data and the mean of data for the variation 1:1,25 is 0,26 MPa. After that, we observe the specimen with Optical Microscopy to see the surface structure of the specimen. Then, we did the Scanning Electon Microscopy to observe the micro structure have made in the specimen and to measure the size of the pore formed. From the observation we got the pores size ranging from 21,63μm to 169,7μm. Then, we do X-Ray Fluoroscence Testing to see the compositon of the elements formed. Last, X-Ray Diffraction Testing to characterize the formed crystalline phase.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Komposit, Tembaga, Abu Terbang, Kuning Telur, dan Porositas
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials > TA418.9.C6M26 Composite materials-Machining T Technology > TJ Mechanical engineering and machinery > TJ1-1570 Mechanical engineering and machinery
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Users 4069 not found.
Date Deposited:	16 Jan 2020 07:11
Last Modified:	16 Jan 2020 07:11
URI:	http://repository.unsri.ac.id/id/eprint/24312

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