Open AccessPengaruh beban kompaksi dan suhu sintering terhadap densitas dan sifat mekanik aluminium water atomized
Author(s) -
Heru Sukanto
Publication year - 2019
Publication title -
mekanika
Language(s) - English
Resource type - Journals
eISSN - 2579-3144
pISSN - 1412-7962
DOI - 10.20961/mekanika.v17i2.35126
Subject(s) - sintering , materials science , compaction , aluminium , metallurgy , analytical chemistry (journal) , nuclear chemistry , composite material , chemistry , chromatography
The powder size used in the research were maximum of 297mm and maximum of 105m resulted by water atomization. Both powder sizes were dry mixed by ratio of 65:35 %wt and was added by 1,25% wt of wax. Mixing was taking a place in steel cylinder with diameter of 2” roteted at 140 rpm for 2 hr. Green body was formed by pressing pressure of 280, 340, 400 and 435 Mpa. Sintering was conducted in argon and temperatures variation of 500, 550, 600 and 650 o C for 2 hr. The results show thet sintering temperature change have no significant effects on density and mechanical properties while presing pressure have dominantly effects. Traverse rupture strength, density and hardness growth with increasing pressing pressure but they will decrease with increasing sintering temperature. The best increasing of mechanical properties was occurred at temperature sintering of 500 o C and compaction pressure of 400 Mpa.