Production and characterization of al-sic composites prepared by mechanical milling and pressureless sintering
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Tarih
2019
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Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
This study investigates the effect of SiC amount and milling time on microstructure, density and hardness in thealuminum composites produced by mechanical milling. In the study, aluminum composites were mechanicalmilled for different periods (30, 60, 90 and 120 min), adding SiC at different amounts (5, 10, 15 and 20 wt. %).High chromium steel balls with a diameter of 6 mm, a ratio of 10:1 ball-powder and 2% stearic acid were used asmilling component in the production of composites in a vibrating mill. The production of composite powders wascarried out in an argon atmosphere. The composite powders produced were characterized using scanning electronmicroscopy, EDS analysis, optical microscope and powder size analyzer. As a result, it was observed that as theamount of added SiC and milling time increased, the powder size decreased, and the hardness values increased. Inaddition, as the amount of added SiC increased, the densities of aluminum composites increased.
Açıklama
Anahtar Kelimeler
Kaynak
Bitlis Eren Üniversitesi Fen Bilimleri Dergisi
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Cilt
8
Sayı
1
