Influence of pressure and surface roughness on the heat transfer efficiency during water spray quenching of 6082 aluminum alloy

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成果类型：

期刊论文

作者：

Xu, Rong;Li, Luoxing*;Zhang, Liqiang;Zhu, Biwu;Liu, Xiao;...

通讯作者：

Li, Luoxing

作者机构：

[Bu, Xiaobing; Xu, Rong; Zhang, Liqiang; Zhu, Biwu; Liu, Xiao; Li, Luoxing] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China.

[Bu, Xiaobing; Xu, Rong; Li, Luoxing] Hunan Univ, Coll Mech & Vehicle Engn, Changsha 410082, Hunan, Peoples R China.

[Zhang, Liqiang] Cent South Univ Forestry & Technol, Coll Mech & Elect Engn, Changsha 410004, Hunan, Peoples R China.

[Zhu, Biwu; Liu, Xiao] Hunan Univ Sci & Technol, Coll Electromech Engn, Xiangtan 411002, Hunan, Peoples R China.

通讯机构：

[Li, Luoxing] H

Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China.

语种：

英文

关键词：

Atmospheric temperature;Crystallization;Heat conduction;Heat flux;Heat transfer coefficients;Inverse problems;Nucleation;Quenching;Surface properties;Surface roughness;Heat transfer efficiency;Interfacial heat transfer;Inverse heat conduction methods;Maximum heat transfer;Nucleation site density;Spray pressure;Spray quenching;Water spray quenching;Aluminum alloys

期刊：

Journal of Materials Processing Technology

ISSN：

0924-0136

年：

2014

卷：

214

期：

页码：

2877-2883

DOI：

10.1016/j.jmatprotec.2014.06.027

基金类别：

The authors gratefully acknowledge research support from the National Key Project of Science and Technology “High-grade CNC machine tools and basic manufacturing equipment” (No: 2014ZX04002071 ) and the Changsha science and technology project (No. K1112067-11 ).

机构署名：

本校为其他机构

院系归属：

机电工程学院

摘要：

The heat flux (q) and heat transfer coefficient (h) at the interface between hot aluminum surface and spray water were determined by using an inverse heat conduction method. Good agreements between numerically calculated temperatures with the inverse identified h and experimentally measurements demonstrate that the method is valid for solving the q and h of spray quenching process. The estimated heat flux consists of three main stages of transition boiling, nucleate boiling and single-phase cooling. The results show that both the heat flux and ...

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Influence of pressure and surface roughness on the heat transfer efficiency during water spray quenching of 6082 aluminum alloy

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