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材料科学技术（英文版）
材料科学技术（英文版）

胡壮麟

月刊

1005-0302

jmst@imr.ac.cn

024-83978208

110016

沈阳市沈河区文化路72号

材料科学技术（英文版）/Journal Journal of Materials Science & TechnologyCSCDCSTPCD北大核心EISCI
查看更多>>本刊简称《JMST》，（ISSN 1005-0302，CN 21-1315/TG）。1985年创刊。是中国科协主管，中国金属学会，中国材料研究学会和中国科学院金属研究所联合主办的国际性英文期刊，以“加强国际交流，扩大学术影响，服务经济建设”为办刊宗旨，刊登世界各国的具有创新性和较高学术水平的原始性论文，并设有物约综述、快报、简讯及国内外材料界杰出学者简介等栏目，内容包括金属材料、无机非金属材料、复合材料及有机高分子材料等。
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    Microstructural evolution and its influence on mechanical and corrosion behaviors in a high-Al/Zn containing duplex Mg-Li alloy after friction stir processing

    Yixing ZhuMengran ZhouYingxin GengShun Zhang...
    245-255页
    查看更多>>摘要：Ultralight Mg-Li alloys offer promising applications across various fields.Mg-Li alloys enriched with Al and Zn hold theoretical potential for achieving excellent mechanical strength and corrosion resistance.However,the structural and performance characteristics of such Mg-Li alloys,particularly after thermo-mechanical processing,remain inadequately explored and understood.This study investigated the mi-crostructural evolution of a Mg-9Li-5Al-4Zn alloy after friction stir processing and its consequent effects on the mechanical and corrosion performance.The grain size of the alloy was effectively refined and sta-bilized during friction stir processing at various heat inputs.The yield strength of the alloy increased by 86.4％after friction stir processing under the highest heat input condition,which was attributed to fine grain strengthening,solid solution strengthening and dispersion strengthening.Concurrently,the alloy ex-perienced a slight decrease in elongation after the friction stir processing.The alloy subjected to friction stir processing with the highest heat input exhibited a minimal corrosion current density of 6.10 x 10-6 A/cm2,which was only 25％of the base metal.The enhanced anti-corrosion properties can be attributed to the dispersion and distribution of precipitated particles induced by friction stir processing,which hin-dered the micro-galvanic corrosion and promoted the generation of a compact surface film,leading to minimal and uniform corrosion.This investigation can be significant for understanding the metallurgical mechanisms and performance evolution of Mg-Li alloys during thermomechanical processes.
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    Hybrid superamphiphobic anti-corrosion coating with integrated functionalities of liquid repellency,self-cleaning,and anti-icing

    Binbin ZhangGuang YangWeichen XuJizhou Duan...
    256-268页
    查看更多>>摘要：Superhydrophobic materials have shown tremendous potential in various fields.However,the adhesion,wetting,and pinning of low-surface-tension liquids greatly limit their multifunctional applications.There-fore,the creation of superamphiphobic coatings that combine superhydrophobic and superoleophobic properties through a simple preparation strategy is desirable.In this study,we successfully developed an organic-inorganic hybrid superamphiphobic coating on Q235 carbon steel using aluminum oxide nanopar-ticles,organosilanes,and waterborne epoxy resin via a versatile spray-coating technique.The coating ex-hibited high contact angles(＞151°)and low sliding angles(＜7°)for water and oil liquids,demonstrating excellent superamphiphobic characteristics.Electrochemical tests demonstrated significant improvements in charge transfer resistance and low-frequency modulus for the superamphiphobic coating.The corro-sion potential shifted positively by 590 mV,and the corrosion current density decreased by four orders of magnitude.Additionally,the coating endured 480 h of salt spray and 2400 h of outdoor atmospheric exposure,showcasing superior anti-corrosion capacity.Freezing tests of water droplets at-10 ℃ and-15 ℃ confirmed that the coating significantly prolonged the freezing time with reduced ice adhesion strength.We believe that the designed superamphiphobic coating with integrated functionalities of self-cleaning,anti-corrosion,anti-icing,and anti-liquid-adhesion can provide important solutions for extend-ing the lifespan of materials in marine and industrial environments.
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