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Pre-heating of multi-axial forging (MAF) on aluminum based composites

Pramono, Agus and YOLANDA, ARDA and Alhamidi, Ahmad Ali (2019) Pre-heating of multi-axial forging (MAF) on aluminum based composites. IOP Conference Series: Materials Science and Engineering, 478. 012029. ISSN 1757-899X

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Aluminum is one of the materials used for automotive, almost 90% of aluminum scrap from automotive cars can be recycled. The properties of aluminum are light and have a high ductility. The addition of SiC as reinforcement to aluminum based composite materials by multi-axial forging (MAF) is one of the newly developed SPD processes. Addition of SiC is to increase strength greater than the base material. The purpose of this research is to know the micro structure especially spread of distribution of precipitate evenly in matrix and change of mechanical properties after MAF process. Therefore, variation of weight fraction of SiC and pre-heating temperature were conducted. Kind of aluminum type AA1100 shaped plate as matrix added SiC as reinforcement, using variation 0.2%:0.4% and 0.6% wt. As for pre-heating temperature variation of 350oC, 450oC and 550oC then done MAF process with every change of pass rotate 90o. The results obtained from aluminum-based composite study by MAF, that with the addition of SiC on microstructure observation there is a change of grain boundary shape from equaxial to lamellar, there are grains of precipitate on the matrix that spread evenly and tensile test results and microhardness test increased along with the addition SiC fraction at a temperature of 350oC while for temperatures of 450oC and 550oC there is a decrease in hardness value, tensile strength value on Al/SiC.

Item Type: Article
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Divisions: 03-Fakultas Teknik > 27201-Jurusan Teknik Metalurgi
Depositing User: Mr Agus Pramono
Date Deposited: 29 Jul 2022 14:11
Last Modified: 27 Sep 2022 14:56

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