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AZ91: 作品数：358被引量：1276H指数：15; 导出分析报告; 相关领域：金属学及工艺一般工业技术更多>>; 相关作者：吴昆王晓军郑明毅胡小石丁文江更多>>; 相关机构：哈尔滨工业大学太原理工大学重庆大学沈阳工业大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金江西省教育厅科学技术研究项目国家教育部博士点基金国家高技术研究发展计划更多>>

Development of Interpenetrating Phase Structure AZ91/Al_(2)O_(3)Composites with High Stiffness,Superior Strength and Low Thermal Expansion Coefficient: 《Acta Metallurgica Sinica(English Letters)》2025年第2期245-258,共14页Zhiqing Chen Zhixian Zhao Yiqiang Hao Xiaoling Chen Liping Zhou Jingya Wang Tao Ying Bin Chen Xiaoqin Zeng; supported by the National Key Research and Development Program of China(No.2022YFB3708400);the National Natural Science Foundation of China(No.52305158);the Young Elite Scientists Sponsorship Program by CAST(No.2022QNRC001);the Science Innovation Foundation of Shanghai Academy of Spaceflight Technology(No.USCAST2021-18).; Mg alloys have the defects of low stiffness,low strength,and high coefficient of thermal expansion(CTE).The composites strategy and its architecture design are effective approaches to improve the comprehensive perform...; 关键词：Interpenetrating phase composites Al_(2)O_(3)/Mg composites Interface Elastic modulus Compressive strength Coefficient of thermal expansion(CTE)

脉冲电流对AZ91镁合金温挤压过程中动态析出和微观组织的影响: 《金属学报》2025年第1期129-142,共14页王彬杉徐光任睿张强单召辉樊建锋; 山西省自然科学基金项目Nos.20210302123134、202203021221071和202203021211157;山西省留学委员会项目No.2022-045;山西浙大研究院新材料与化工研究院基础研究项目No.2021SX-FR005。; 脉冲电流辅助成形工艺具有提高成型能力及细化微观组织等优点,被广泛用到各种塑性变形过程中。然而,关于脉冲电流在动态挤压变形过程中的作用尚不明确。本工作利用脉冲电流辅助挤压(EPAE)技术,研究了脉冲电流对于AZ91镁合金挤压过程中...; 关键词：AZ91 镁合金脉冲电流辅助挤压 β-Mg_(17)Al_(12)相动态析出晶粒长大

Microstructure and Mechanical Properties of Al_(2)O_(3p)/AZ91 Magnesium Matrix Laminated Material Adjusted by Freezing Temperature: 《Acta Metallurgica Sinica(English Letters)》2024年第11期1819-1829,共11页Ze-Xin Bai Kun-Kun Deng Ze-Qi Du Kai-Bo Nie Chao Xu Quan-Xin Shi; supported by the National Key Research and Development Program for Young Scientists(Grant No.2021YFB3703300);the National Natural Science Foundation of China(Grant Nos.52271109 and 52001223);the Major Special Plan for Science and Technology in Shanxi Province(Grant No.202201050201012);the Special Fund Project for Guiding Local Science and Technology Development by the Central Government(Grant No.YDZJSX2021B019)。; The Al_(2)O_(3)laminated preforms with different layers thickness were prepared by freezing casting in present work.Then,the Al_(2)O_(3p)/AZ91 magnesium matrix laminated materials were obtained by infiltrating the AZ9...; 关键词：Bio-inspired composites Freeze-casting Mechanical properties Metal matrix composites

Improving wear and corrosion resistances of Mg_(2)Si/AZ91 composites via tailoring microstructure and intrinsic properties of Mg_(2)Si induced by Sb modification: 《Journal of Magnesium and Alloys》2024年第11期4493-4508,共16页Peng Xiao Yimin Gao Yupeng Sheng Cuicui Yang Zhiwei Liu Yanliang Yi Wenyu Wu Qiqiang Zhao Manoj Gupta; Natural Science Basic Research Program of Shaanxi(2022JQ-331);Fundamental Research Funds for the Central Universities(xjh03202101503);China Postdoctoral Science Foundation(2021M692518);National Key Research and Development Program of China(2021YFB3701204)。; To achieve simultaneous improvement in wear resistance and corrosion resistance,we propose a novel strategy to successfully develop Mg matrix composites containing blocky primary Mg_(2)Si with small size instead of un...; 关键词：Mg matrix composites Morphological regulation Wear resistance Corrosion resistance Sb modification

Gd对挤压镁合金AZ91组织和氢脆的影响: 《吉林大学学报（工学版）》2024年第10期2792-2798,共7页宋雨来李伟光张林阳宋庆军张华李军刘庆; 吉林省重大科技项目(20210301025GX)。; 采用挤压法制备了AZ91和AZ91-xGd(x=0.5、1.0、1.5)镁合金。采用扫描电镜、电化学氧化法、慢应变速率拉伸法,研究了挤压镁合金AZ91和AZ91-xGd的微观组织、充氢及氢脆行为。结果表明:随着Gd的加入,AZ91中的β-Mg_(17)Al_(12)尺寸减小,数...; 关键词：材料加工工程镁合金钆氢脆

Simultaneously improving the strength and ductility of AZ91/GNPs composites through decorating graphene nanoplatelets with MgO被引量：1: 《Journal of Materials Science & Technology》2024年第16期133-151,共19页Pingbo Wang Jun Shen Tijun Chen Jiqiang Ma Qinglin Li Shaokai Zheng; supported by the National Natural Science Foundation of China(No.51761028);the Natural Science Foundation of Gansu Province,China(No.21JR7RA232).; Magnesium matrix composites(MgMCs)have always suffered low strengthening efficiency and poor ductility due to the difficulties in pursuing the well-bonded interface.Herein,graphene nanoplatelets(GNPs)were decorated wi...; 关键词：Graphene nanoplatelets Magnesium oxide First-principles calculations Magnesium matrix composites Powder thixoforging

Balanced strength and ductility by asymmetric gradient nanostructure in AZ91 Mg alloy被引量：1: 《Journal of Materials Science & Technology》2024年第17期167-179,共13页Bingqian Xu Jiapeng Sun Lingling Wang Jing Han Guosong Wu; supported by the Fundamental Research Funds for the Central Universities(No.B210202094);the Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYCX230661).; High-strength Mg alloys have historically suffered from a challenge in achieving good ductility.Here,we report an asymmetric gradient nanostructure design prepared by ultrasonic severe surface rolling(USSR)at room tem...; 关键词：Mg alloy Strength-ductility synergy Gradient nanostructure Precipitates AZ91

La/Nd比对AZ91-RE合金显微组织和拉伸性能的影响: 《Transactions of Nonferrous Metals Society of China》2024年第5期1456-1469,共14页崔鹏星胡茂良吉泽升王晔郭宇许红雨; National Key Research and Development Program of China(No.2019YFB2006500);National Natural Science Foundation of China(Nos.51574100,51704087);Natural Science Foundation of Heilongjiang Province,China(No.LH2020E083)。; 研究La/Nd比对AZ91-RE合金显微组织和拉伸性能的影响。采用经典表征方法分析第二相的体积分数、平均最近邻距离(NND)和数量密度。利用第一性原理计算确定第二相的形成焓、力学性能和热力学性质。结果表明,La与Nd的质量分数比(w_(La)/w_(...; 关键词：AZ91合金显微组织拉伸性能第一性原理计算电子结构热力学性质

Dissolution mechanism and kinetics ofβ(Mg_(17)Al_(12))phases in AZ91 magnesium alloy: 《Journal of Magnesium and Alloys》2024年第4期1581-1592,共12页Sultan Alomairy; founded by Taif University,Taif,Saudi Arabia (TU-DSPP-2024-63).; In this study,the phase transformations,crystallization kinetics and dissolution mechanism ofβphase(Mg_(17)Al_(12))in magnesium alloy AZ91 were investigated by optical microscopy,X-ray diffraction,differential scanni...; 关键词：AZ91 KINETICS β(Mg_(17)Al_(12)) Activation energy Discontinuous precipitation Continuous precipitation DSC

Interface Design Strategy for GNS/AZ91 Composites with Semi-Coherent Structure被引量：1: 《Acta Metallurgica Sinica(English Letters)》2024年第3期467-483,共17页Jing-Peng Xiong Yi-Qi Zeng Jin-Long Liu Wei-Cheng Wang Lan Luo Yong Liu; supported by the National Key Research and Development Program of China (No.2022YFC2905204);the National Natural Science Foundation of China (Nos.52061028,52061039);the Interdisciplinary Innovation Fund of Nanchang University (IIFNCU),China (No.9166-27060003-ZD05).; The interfacial structure plays an important role in the mechanical properties of magnesium matrix composite(MMCs)reinforced with graphene nanosheet(GNS)due to their poor wettability with the Mg matrix.An interface de...; 关键词：Interface design strategy Magnesium matrix composite Graphene nanosheets Semi-coherent interface Mechanical properties

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