PRE-AGING

作品数：17被引量：37H指数：5
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Strength and ductility optimization of HPDC AlSi8MgCuZn2 alloys by modifying pre-aging treatment
《China Foundry》2024年第4期343-351,共9页Yuan-hang Jiang Hui-ting Zheng Fei Liu Hai-dong Zhao 
financially supported by the Natural Science Foundation of Guangdong Province(Nos.2021A151510042,2021A1515011728);the China Postdoctoral Science Foundation(2022M711190);the National Natural Science Foundation of China(No.51875211);the Key Area Research and Development Program of Guangdong Province(No.2020B010186002)。
Considering the components produced by high pressure die casting(HPDC)process usually with ultra-large sizes and complex morphologies,high temperature solid solution treatment is not a suitable method to further impro...
关键词：high pressure die cast aluminum alloy microstructural heterogeneity mechanical properties precipitation strengthening two-stage aging 
Improved creep aging response in Al-Cu alloy by applying pre-aging before pre-straining被引量：1
《Chinese Journal of Aeronautics》2023年第7期518-530,共13页Fangpu LYU Chunhui LIU Peipei MA Jianshi YANG Longhui CHEN Lihua ZHAN Minghui HUANG 
support from the National Natural Science Foundation of China(Nos.52274404,U2032117,U22A20190);Natural Science Foundation of Hunan Province,China(No.2022JJ20065);the Science and Technology Innovation Program of Hunan Province,China(No.2022RC1001);the National Key Research and Development Program of China(No.2021YFB3400903).
The improvement of post-form properties without compromising creep formability has been a critical issue in creep age forming of aluminum alloy component. A pretreatment process incorporating artificial pre-aging at 1...
关键词：Al-Cu alloy Creep aging PRE-AGING PRECIPITATION PRE-STRAIN 
Effects of pre-aging on microstructure evolution and deformation mechanisms of hot extruded Mg–6Zn–1Gd–1Er Mg alloys被引量：6
《Journal of Magnesium and Alloys》2023年第1期317-328,共12页Wei Kang Liwei Lu Longbiao Feng Fengchi Lu Chunlei Gan Xiaohui Li 
the financial supports from the National Natural Science Foundation of China(Grant No.51975207&51404079);Hunan Provincial Natural Science Foundation for Excellent Young Scholars of China(Grant No.2019JJ30010);Guangdong Provincial Department of Science and Technology(Grant No.2014B010105009,No.2015A030313902)。
The influence of pre-aging treatment on the microstructure,texture and mechanical properties of the Mg–6Zn–1Gd–1Er(wt.%)alloy was investigated.The microstructure analysis shows that the presence of pre-aging is ben...
关键词：Mg alloys PRE-AGING EXTRUSION TEXTURE Dynamic recrystallization 
Effects of pre-aging on defects evolution and magnetic properties of Sm-Co-Fe-Cu-Zr magnets被引量：2
《Journal of Rare Earths》2022年第12期1878-1884,I0003,共8页Munzali Musa Xin Song Yao Liu Fang Wang Jiuping Fan Tianyu Ma Xiaobing Ren 
Project supported by the National Natural Science Foundation of China(52071256,51901170);the fund of Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education,China(MMMM-202003)。
The heterogeneous precipitation in the 2:17-type Sm-Co-Fe-Cu-Zr permanent magnets has been found to contain complex formation and dissociation of defects.Though low-temperature pre-aging has been utilized to promote t...
关键词：Rare earths Sm-Co magnet Magnetic properties PRECIPITATES DEFECTS 
Effects of dynamic cooling pre-aging treatment on mechanical properties and paint-bake hardening behavior of Al-Mg-Si alloy automotive sheets被引量：1
《Journal of Central South University》2022年第3期950-959,共10页GAO Guan-jun LI Xi-wu YAN Li-zhen XIONG Bai-qing LI Zhi-hui ZHANG Yong-an WEN Kai LI Ya-nan 
Project(2020YFF0218200) supported by the National Key R&D Program of China。
In the industrial production, the dynamic cooling pre-aging treatment was employed to replace the isothermal pre-aging during the continuous heat treatment production of Al-Mg-Si alloy automotive sheets. The effects o...
关键词：Al-Mg-Si alloy mechanical properties paint-bake hardening behavior dynamic cooling pre-aging precipitates 
Fabrication of Hierarchically Porous FAU/α-Al_(2)O_(3) Monoliths via Gel Pre-aging Routes Using Seed Gel as Directing Agent被引量：1
《China Petroleum Processing & Petrochemical Technology》2020年第4期46-55,共10页Wang Jia Jin Qibing Zhao Tianbo 
This work was supported by the National Natural Science Foundation of China(No.61673004 and No.11472048);the Fundamental Research Funds for the Central Universities of China(XK1802-4).
Hierarchically porous FAU monoliths were synthesized via the gel pre-aging route using seed gel as directing agent andα-Al2O3 as monolithic carrier.The as-synthesized samples were characterized by means of the Fourie...
关键词：FAU/α-Al_(2)O_(3)monoliths hierarchical porosity seed gel PRE-AGING gel pre-treatment 
Enhancing the bake-hardening responses of a pre-aged Al-Mg-Si alloy by trace Sn additions被引量：1
《Journal of Materials Science & Technology》2020年第5期107-112,共6页Gang Lu Shuai Nie Jianjun Wang Ying Zhang Tianhai Wu Yujie Liu Chunming Liu 
financially supported by the National Key R&D Program of China(No.2018YFB2001800).
Effects of additions of trace Sn on the bake-hardening responses of a pre-aged Al-0.85 Mg-0.85 Si(in wt%)alloy were investigated through mechanical tests,differential scanning calorimetry,electrical resistivity and tr...
关键词：AL-MG-SI alloy PRE-AGING TRACE SN Bake-hardening RESPONSES Precipitation kinetics 
Effect of Pre-Aging, Over-Aging and Re-Aging on Exfoliation Corrosion and Electrochemical Corrosion Behavior of Al-Zn-Mg-Cu Alloys被引量：1
《Journal of Materials Science and Chemical Engineering》2020年第2期81-88,共8页Xingzhi Liao Xiaohua Kong Pengxuan Dong Kanghua Chen 
By means of TEM, hardness, conductivity, tensile strength test, fracture toughness test, polarization curve and EIS, the Al-Zn-Mg-Cu alloys treated by a new multi-stage aging system, i.e. pre-aging, over-aging and re-...
关键词：AL-ZN-MG-CU-ZR Alloys PRE-AGING OVER-AGING and Re-Aging Exfoliation CORROSION Electrochemical CORROSION 
Combined effect of pre-aging and Ag/Cu addition on the natural aging and bake hardening in Al-Mg-Si alloys被引量：5
《Progress in Natural Science:Materials International》2018年第3期363-370,共8页Yaoyao Weng Zhihong Jia Lipeng Ding Manping Liu Xiaozhi Wu Qing Liu 
supported by the Fundamental Research Funds for the Central Universities of China (Grant No. 106112017CDJQJ308822);the Major Project of Development and Application of Chongqing Science and Technology (Grant No. cstc2015yykf C50001);the Foundation for Innovative Research Groups of the National Natural Science Foundation of China (Grant No. 51421001);the Key University Science Research Project of Jiangsu Province (Grant No. 14KJA430002)
The combined effect of pre-aging and Ag/Cu addition on natural aging and bake hardening in Al-Mg-Si alloys were studied by Vickers microhardness measurement, tensile test, atom probe tomography and transmission electr...
关键词：Al-Mg-Si alloys Ag addition Cu addition PRE-AGING Atomic-resolution electron microscopy 
Combined Effects of Pre-deformation and Preaging on the Mechanical Properties of Al-Cu-Mg Alloy with Sc and Zr Addition
《Journal of Wuhan University of Technology(Materials Science)》2018年第3期680-687,共8页郭宇航 ZHAO Naiqin SHI Chunsheng HE Chunnian LI Jiajun 刘恩佐 
Funded by the National High-tech Research&Development Program of China(No.2013AA031002)
The combined effects of pre-deformation and pre-aging on the mechanical properties of AlCu-Mg alloy with Sc and Zr addition were investigated. It is revealed that the introduction of pre-deformation can enhance the pe...
关键词：pre-deformation pre-aging mechanical properties Al-Cu-Mg-Sc-Zr alloy 
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