Transactions of Materials and Heat Treatment

Title：Influence of homogenization temperature on hemming performance for 6016 aluminum alloy

Authors： Meng Shuang1 Gu Huafeng1 Song Jinming1 Jia Changkun1 Li Yancheng1 Xu Zhiyuan1 2 Chi Rui1 3 Li Tao1 Ma Huilin1 Yu Hong1

Unit： 1.Longkou Nanshan Aluminum Rolling New Materials Co. Ltd. 2. Key Laboratory of Aluminum Alloy Material Preparation and Forming in Shandong Province 3. School of Materials Science and Engineering Yantai Nanshan University

KeyWords： homogenization hemming performance mechanical property texture 6016 aluminum alloy

ClassificationCode：TG146.2

year,vol(issue):pagenumber：2025,50(7):232-238

Abstract：

In order to investigate the influence of different homogenization temperatures on hemming performance of 6016 aluminum alloy, the evolution laws of the microstructure and performance of 6016 aluminum alloy under different homogenization temperatures were analyzed by metallographic microscope, scanning electron microscope, X-ray diffractometer, universal tensile testing machine and hemming testing machine. The results show that compared with the homogenization treatment at 530 ℃, the transformation degree of network dendrites into chains by the homogenization treatment at 560 ℃ is higher, the volume fractions of the second phase in the homogenization and final product are 0.66% and 0.43% respectively, the average second phase size is 1.27 μm, the grain distribution in the surface and core is more uniform, the proportion of Cube and Goss texture is high, and the proportion of rolling texture is low. The increase in homogenization temperature has a significant impact on the mechanical and hemming performances. The yield strength, plastic strain ratio of r45 and hemming coefficient show a downward trend, while the plastic strain ratios of r0 and r90 increase. The reasons for the above phenomena are related to the precipitation of dispersed phase, grain size, coarse second phase size, texture, etc.

Funds：

作者简介：孟双（1981-），男，学士，助理工程师 E-mail：mengshuang@nanshan.com.cn 通信作者：迟蕊（1992-），女，硕士, 中级工程师 E-mail：chirui@nanshan.com.cn

Reference：

[1]王启盼. 汽车车身用6016铝合金组织织构演变与性能研究 [D]. 沈阳：东北大学，2019.

Wang Q P. Study on Microstructure, Texture Evolution and Properties of 6016 Aluminum Alloy for Automobile Body [D]. Shenyang：Northeastern University，2019.

[2]张继祥，岳乾坤，张克龙，等. 固溶处理对 6016 铝合金冷轧板组织与织构的影响 [J].热加工工艺，2017，46(10)：228-232.

Zhang J X，Yue Q K，Zhang K L，et al. Effect of solid solution treatment on microstructure and texture of cold rolled 6016 aluminum alloy sheet [J]. Hot Working Technology，2017，46(10)：228-232.

[3]朱玉涛. Mg含量对6016合金折弯性能的影响 [J].特种铸造及有色合金，2020，40(12)：1334-1338.

Zhu Y T. Effects of Mg content on bendability of 6016 alloys [J]. Special Casting & Nonferrous Alloys, 2020，40(12)：1334-1338.

[4]Henriksson F，Johansen K. On material substitution in automotive BIWsFrom steel to aluminum body sides [J]. Procedia CIRP，2016，50：683-688.

[5]迟蕊，徐志远，孟双，等. Cr元素及不同工艺对AlMgSi合金组织和性能的影响 [J].锻压技术，2024，49(8)：88-93，124.

Chi R，Xu Z Y，Meng S，et al. Influence of Cr element and different processes on microstructure and properties of AlMgSi alloy [J]. Forging & Stamping Technology，2024，49(8)：88-93，124.

[6]孙亮，王爽，刘兆伟，等. 均匀化时间对 AlMgSi 合金组织与性能的影响 [J].有色金属加工，2020，49(6)：62-65.

Sun L，Wang S，Liu Z W，et al. Effect of homogenization treatment on microstructure and properties of Al-Mg-Si aluminum alloys [J]. Nonferrous Metals Processing，2020，49(6)：62-65.

[7]孙祥彬，王洪伟，董颖，等. 均匀化温度对 6xxx 系铝合金组织与性能的影响 [J]. 有色金属加工，2020，49(5)：24-28.

Sun X B，Wang H W，Dong Y，et al. Effect of homogenization temperature on microstructure and properties of 6xxx aluminum alloy [J]. Nonferrous Metals Processing，2020，49(5)：24-28.

[8]吴跃. 合金元素及热处理工艺对 AlMgSiCu 合金组织与性能的影响 [D]. 合肥：合肥工业大学，2015.

Wu Y. Effect of Alloy Elements and Heat Treatment Process on the Microstructure and Mechanical Properties of AlMgSiCu

Alloy [D]. Hefei：Hefei University of Technology，2015.

[9]崔立治，王如川，孙中国，等. 均匀化处理温度对6014铝合金组织和性能的影响 [J].世界有色金属，2022(11)：7-9.

Cui L Z，Wang R C，Sun Z G，et al. Effect of homogenization treatment temperature on microstructure and properties of 6014 aluminum alloys [J]. World Nonferrous Metals，2022(11)：7-9.

[10]杨路，杨旭，吴楠，等. 均匀化制度对 6005A 合金组织和冲击韧性的影响 [J].热处理技术与装备，2020，41(5)：16-19.

Yang L，Yang X，Wu N，et al. Effect of homogenization on microstructure and impact toughness of 6005A alloy [J]. Heat Treatment Technology and Equipment，2020，41(5)：16-19.

[11]董军贺，韩启强，刘伟南，等. 均匀化温度对 6082 合金组织及性能的影响 [J].有色金属加工，2022，51 (2)：55-59.

Dong J H，Han Q Q，Liu W N，et al. Effect of homogenization temperature on microstructure and properties of 6082 alloy [J]. Nonferrous Metals Processing，2022，51 (2)：55-59.

[12]迟蕊，李延成，孟双，等. 均匀化制度对 6014 铝合金显微组织的影响 [J].金属热处理，2024，49 (1)：215-222.

Chi R，Li Y C，Meng S，et al. Effect of homogenization process on microstructure of 6014 aluminum alloy [J]. Heat Treatment of Metals，2024，49 (1)：215-222.

[13]王孝国. 新型弥散强化6XXX铝合金热变形行为与组织性能研究 [D]. 太原：太原科技大学，2020.

Wang X G. Study on Hot Deformation Behavior and Microstructure and Properties of a Dispersion Strengthened 6XXX Al Alloy [D]. Taiyuan：Taiyuan university of science and technology，2020.

[14]Inoue H，Takasugi T. Texture control for improving deep drawability in rolled and annealed aluminum alloy sheets [J]. Materials Transactions，2007，48 (8)：2014-2022.

[15]李振国. 汽车用 AA6014 合金板材的成分-热处理工艺-微观组织-性能的关联性研究 [D]. 重庆：重庆大学，2020.

Li Z G. Study on the Correlation Among Composition, Heat Treatment Process, Microstructures and Properties in AA6014 Automotive Sheets [D]. Chongqing：Chongqing University，2020.

Service：

【This site has not yet opened Download Service】【Add Favorite】