Microstructure evolution in semi-solid A356 aluminium alloy treated by ICTE process

被引：3
|
作者：
Hu, Mei-Lan [1 ,2 ]
Guo, Hong-Min [1 ,2 ]
Ma, Teng-Fei [1 ]
Jin, Hua-Lan [2 ]
机构：
[1] Nanchang Univ, Sch Phys & Mat Sci, 999 Xuefu Ave, Nanchang 330031, Jiangxi, Peoples R China
[2] Nanchang Univ, Key Lab Net Forming Jiangxi Prov, 999 Xuefu Ave, Nanchang 330031, Jiangxi, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2023年 / 39卷 / 09期
基金：
中国国家自然科学基金;
关键词：
ICTE process; semi-solid A356 aluminium alloy; TEB; fine grained semi-solid structures; MECHANICAL-PROPERTIES; AL; BEHAVIOR; MORPHOLOGY; FRACTURE; SLURRY;
D O I：
10.1080/02670836.2022.2158274
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of parameters of a novel internal cooling thermal equilibrium (ICTE) process on microstructure evolution in semi-solid A356 aluminium alloys were investigated. The results indicated that a low predetermined temperature (T-P), a higher mechanical stirring intensity for the thermal equilibrium body (TEB) and a reduced melt mass contributed to obtaining fine grained semi-solid structures. The cooling effect of TEB combined with dendritic remelting fractures of solidified shells formed on surface of TEB at room temperature promoted massive nucleation in alloy melt and contributed to obtaining numerous fine primary solid phases. The ICTE process, which regulated stirring time of TEB, obtained numerous spherical grains and simplified the operational process.
引用
收藏
页码：1050 / 1058
页数：9
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