(1) Cov ntsiab lus ntawm cov hlau hauv alloy yog qhov siab dhau lossis cov ntsiab lus ntawm silicon yog tsawg dhau;
(2) Cov ntsiab lus ntawm kev ua phem impurities nyob rau hauv alloy yog dhau lawm, uas txo cov plasticity ntawm cov alloy;
(3) Al Siloy: Txhuas silicon tooj liab alloy muaj cov ntsiab lus zinc lossis cov ntsiab lus tooj liab dhau, Aluminium Magnesium muaj ntau dhau magnesium;
(4) Tuag, tshwj xeeb tshaj yog kev kub ntxhov heev;
(5) Lub phab ntsa tuab ntawm cov nrum sib txawv;
(6) Kev tuag tawm lub sijhawm ntev heev;
(7) quab yuam yog qhov tsis sib xws thaum ejection.
