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Frontiers in high entropy alloys and high entropy functional materials

Rare Metals 2024年第10期43卷 4639-4776页

作者： wen-tao Zhang wen Huang Fu-Jie yu Qi Zhao Xin-Dong Zhu tao feng yao Jiang Xiao-ming li Xue-Fei Miao He Zhu Si Lan Xue-Qian wang Bao-Long Shen Zhe Jia feng-Qi Zhang Wei wang Qi liu yang Ren Xun-li wang Xiao-ya Cui Xiao-yang wang ya-Nan chen Bing-Bing Fan Meng-Ru li Qi-Long gao Jia-ming Guo Zeng-Bao Jiao Zhi-Min Guo yu-Ping Zhao Qian yu Rui Huang ling-Kun Zhang Yi-Ping Lu Xu-Bo li Huai-Jun lin yan Ma Wei-ming yang Zhi-Hua Shen Hai-yan He Yong-gang Sun Yong-Jiang Huang De-Zhuang wang Qing-feng liu Fei-yang wang hui liu hong-hui Wu li-Qiang wang yang Lu Nan wang Tian-li wang Wei-Bing liao Yi-Han wang yuan Wu yu-Zhen Yin Jie Pan Yi Zhang Qing wang Jian-yang Zhang tao yang yasir Sohail Jin-yu Zhang Hua Ji Qiang li Wei-Di liu Zhi-gang chen Xiong-Jun liu wen Ma liang Mao Zhen-Duo Wu School of Materials Science and Engineering Nanjing University of Science and Technology Jiangsu Key Laboratory for Advanced Metallic Materials School of Materials Science and Engineering Southeast University Department of Physics City University of Hong Kong School of Materials Science and Engineering Tianjin University School of Physics and Microelectronics Zhengzhou University Department of Mechanical Engineering Research Institute for Advanced Manufacturing The Hong Kong Polytechnic University center of Electron Microscopy and State Key Laboratory of Silicon Materials School of Materials Science and Engineering Zhejiang University Key Laboratory of Solidification Control and Digital Preparation technology (liaoning Province) School of Materials Science and Engineering Dalian University of Technology Institute of Advanced Wear & Corrosion Resistance and Functional Materials Jinan University School of Mechanics and Civil Engineering China University of Mining and Technology School of Physical Sciences Great Bay University School of Materials Science andEngineering Harbin Institute of Technology State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University Beijing Advanced Innovation center for Materials Genome Engineering Research Institute for Carbon Neutrality University of Science and Technology Beijing Department of Mechanical Engineering The University of Hong Kong School of Computing Macquarie University Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing State Key Laboratory of Materials Processing and Die & Mould technology School of Materials Science and Engineering Huazhong University of Science and Technology Institute of materials Shanghai University Department of Materials Science and Engineering C

Owing to their exceptional properties, high-entropy alloys(HEAs) and high-entropy materials have emerged as promising research areas and shown diverse applications. Here,the recent advances in the field are comprehensively reviewed,organized into five sections. The first section introduces the background of HEAs, covering their definition, significance,application prospects, basic properties, design principles, and microstructure. The subsequent section focuses on cutting-edge high-entropy structural materials, highlighting developments such as nanostructured alloys, grain boundary engineering,eutectic systems, cryogenic alloys, thin films, micro-nano-lattice structures, additive manufacturing, high entropy metallic glasses, nano-precipitate strengthened alloys, composition modulation, alloy fibers, and refractory systems. In the following section, the emphasis shifts to functional materials, exploring HEAs as catalysts, magneto-caloric materials, corrosion-resistant alloys, radiation-resistant alloys, hydrogen storage systems, and materials for biomedicine. Additionally, the review encompasses functional high-entropy materials outside the realm of alloys, including thermoelectric, quantum dots, nanooxide catalysts, energy storage materials, negative thermal expansion ceramics,and high-entropy wave absorption materials. The paper concludes with an outlook, discussing future directions and potential growth areas in the field. Through this comprehensive review,researchers, engineers, and scientists may gain valuable insights into the recent progress and opportunities for further exploration in the exciting domains of high-entropy alloys and functional materials.

关键词： Cutting-edge structural materials Cutting-edgefunctional materials High entropy alloys

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Development of 600MPa Cold Rolled Dual Phase steel for Automotive Application in BX steel

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Journal of Iron and steel Research International 2011年第S1期18卷 987-989页

作者： gao hong-gang,chen li-hong,{2.,yu wen-tao,wang ya-fen (technology center of benxi Iron and steel (Group) Co,Ltd.benxi 117000,{12.aoning,China) benxi Iron & steel Grp Co Ltd Ctr Technol Benxi 117000 Liaoning Peoples R China

BX steel has developed 600MPa cold rolled dual phase in order to adapt to the market *** paper introduces the design of chemical composition,hot rolling,cold rolling and annealing process of experimental *** finished product property meets the technical standard,the microstructure is typical dual phase,F+M(14-16%).This product has been produced commercially in BX steel,and has been approved by end users.

关键词： automotive application dual phase microstructure

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Effect of Nb,Mo and Ti on the Microstructures and Mechanical Properties of 700MPa Weathering steel

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Journal of Iron and steel Research International 2011年第S1期18卷 300-305页

作者： wang Bing 1,SONG yu-lai 2.{2. Xiao-ming 3,wang Hou-xin 4,liu Qing-you 1 (1.Institute for Structural Materials of CISRI,Beijing 100081,China 2.Research and Development center of Wuhan Iron and steel (Group) Corp.,Wuhan 430080,Hubei,China 3.benxi Iron and steel Group limited Company benxi 117000,liaoning,China 4.CITIC-CBMM Microalloying technology center,Beijing 100081,China) Inst Struct Mat CISRI Beijing 100081 Peoples R China Wuhan Iron & steel Grp Corp Ctr Res & Dev Wuhan 430080 Hubei Peoples R China benxi Iron & steel Grp Ltd Co Benxi 117000 Liaoning Peoples R China CITIC CBMM Microalloying Technol Ctr Beijing 100081 Peoples R China

Using metallurgical structure observation and measurement of mechanical properties such as micro-hardness,tensile test,cold-bend,the effect of Nb,Mo and Ti on the structure and mechanical properties of 700MPa weathering steel was studied under the same rolling *** results show the formation of M/A is promoted by Mo,while inhibited by ***,M/A island,as a hard phase,is harm to the material toughness and plasticity;high M/A island fraction will result in obvious crack during cold *** effect of Nb on increasing the strength of experiment steel is very *** Nb content of 700MPa steel must be higher than 0.05% to ensure the *** optimal mechanical properties of the experiment steel will be gained by the proper match ratio of Nb,Mo and *** industry trial production of 700MPa high-strength weathering steel for container was also developed.

关键词： weathering steel Nb Mo Ti mechanical properties M/A island

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稀土对高强车轮钢夹杂物赋存特征的影响研究

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稀土 2024年第2期45卷 57-65页

作者：刘军韩荣荣张波李明光苗隽刘宏亮刘承军本钢集团有限公司技术中心先进汽车用钢开发与应用技术国家地方联合工程实验室辽宁本溪117000 东北大学冶金学院辽宁沈阳110819

结合高温模拟实验和热力学分析,探讨了稀土对高强车轮钢中夹杂物类型及尺寸分布的影响,并与传统的钙处理钢进行了对比。研究结果表明,铝脱氧车轮钢经钙处理后夹杂物主要为Al_(2.O_(3)、MnS、(Mn,Ca)S和CaO-Al_(2.O_(3)以及Al_(2.O_(3)-(... 详细信息

结合高温模拟实验和热力学分析,探讨了稀土对高强车轮钢中夹杂物类型及尺寸分布的影响,并与传统的钙处理钢进行了对比。研究结果表明,铝脱氧车轮钢经钙处理后夹杂物主要为Al_(2.O_(3)、MnS、(Mn,Ca)S和CaO-Al_(2.O_(3)以及Al_(2.O_(3)-(Mn,Ca)S和CaO-Al_(2.O_(3)-CaS包裹型复合夹杂物;与钙处理钢对比,车轮钢经稀土处理后,钢中Al_(2.O_(3)夹杂物数量减少,MnS和(Ca,Mn)S夹杂物消失,生成了近球形的Ce_(2.O_(2.S、Ce_(2.O_(3)夹杂,夹杂物尺寸显著减小;随稀土含量的增加[w(Ce)=0.0160%~0.02.0%],不大于5μm的夹杂物数量占比由91.0%提升至99.8%,稀土细化夹杂物效果显著。热力学分析表明:在1600℃条件下,随着车轮钢中w(Ce)由0增加至0.0300%,钢液中主要夹杂物类型的变化规律为Al_(2.O_(3)→CeAlO_(3)→Ce_(2.O_(3)→Ce_(2.O_(2.S。通过稀土处理可实现钢中Al_(2.O_(3)夹杂物的变质,并有效抑制凝固过程中MnS夹杂的生成,生成Ce_(2.O_(2.S、Ce_(2.O_(3)夹杂。

关键词：车轮钢稀土夹杂物热力学分析尺寸细化

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基于冲能吸能平衡效应的冲击地压巷道分级支护研究

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岩土力学 2024年第1期45卷 38-48页

作者：高明仕俞鑫徐东贺永亮赵世帆中国矿业大学矿业工程学院江苏徐州221116 中国矿业大学煤炭资源与安全开采国家重点实验室江苏徐州221116 中国矿业大学冲击岩爆巷道支护研究中心江苏徐州221116 东京大学地震研究所日本东京太原科技大学安全与应急管理工程学院山西太原030024

冲击地压是煤炭开采过程中发生的一种动力灾害,主要是由积聚在煤岩中的弹性变形能突然急剧释放造成的,约90%发生在巷道中。巷道冲击破坏不仅与冲击能量直接相关,还与冲击距离远近紧密相关,提出能距比的概念,即冲击震源释放能量与其至巷... 详细信息

冲击地压是煤炭开采过程中发生的一种动力灾害,主要是由积聚在煤岩中的弹性变形能突然急剧释放造成的,约90%发生在巷道中。巷道冲击破坏不仅与冲击能量直接相关,还与冲击距离远近紧密相关,提出能距比的概念,即冲击震源释放能量与其至巷道距离的比值。根据冲击地压动静载叠加机制和冲能吸能平衡理论,综合考虑冲击震源能距比量级、巷道破坏程度、支护构件吸能、弱结构吸能等特性,建立了巷道围岩冲击矿震稳定性控制模型,分析了冲能、吸能的构成和计算过程,搭建了冲击地压能级与巷道支护强度之间的对应关系,确定了“四高锚网+”为主导技术的煤矿巷道防冲抗震支护体系。根据能距比量级大小,将冲击地压巷道支护安全可靠性分为P1~P4级别,分级对应采取不同支护强度的“四高锚网+”组合支护技术。“四高”锚网支护可对应能距比为102.级的无冲击巷道,“四高锚网+1”(O型钢棚、吸能防冲单元架、围岩弱结构)对应能距比为103量级的冲击地压,“四高锚网+2.对应能距比为104量级的冲击地压,“四高锚网+3”对应能距比为105量级的冲击地压,106及以上量级的冲击危险必须停产、撤人远场处理。结合工程实例进行了巷道防冲支护方案和参数设计,初步验证了理论研究成果的可行性和实用性。研究成果可为我国煤矿冲击地压巷道支护理论研究和工程实践提供一定的参考指导。

关键词：冲击地压巷道围岩控制冲能吸能平衡能距比分级支护

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Processing Map of C71500 Copper-nickel Alloy and Application in Production Practice

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Journal of Wuhan University of technology(Materials Science) 2020年第6期35卷 1104-1115页

作者： gao Xin WU huibin {2. ming ZHANG yuanxiang gao feng SUN hui Institute of Engineering technology University of Science and Technology BeijingBeijing 100083China General Research Institute of Nonferrous Metals Beijing 100088China Collaborative Innovation center of steel {2. University of Science and Technology BeijingBeijing 100083China State Key Laboratory for Strength and Vibration of Mechanical Structures Xi'an Jiaotong UniversityXi'an 710049China The State Key Lab of Rolling and Automation Northeastern UniversityShenyang 110819China School of Materials Science And Engineering Harbin Institute of TechnologyHarbin 150001China

The isothermal compression tests of C71500 copper-nickel alloy at different temperatures (1 073-1 2.3 K) and strain rates (0.01-10 s^-1) were carried out on Gleeble-3500 thermo-mechanical *** real stress-strain data were *** the basis of dynamic material model,the power dissipation was *** peak efficiency of the power dissipation is 57%.At the same time,Prasad’s,Murty’s and Babu’s instability criteria based on Ziegler’s expectant rheology theory,and Gegel’s and Malas’s instability criteria based on L{2.ponov’s function theory,were used to predict the unstable regions in the processing *** maximum entropy generation rate and large plastic deformation principle are more in line with the hot deformation process of C71500 alloy,so the accuracy of Prasad’s instability criterion is much *** to the obtained macro-crack and micro-metallographic structure morphologies,the temperature range of 1 098-1 156 K and the strain rate range of 2.91-10 s^-1,and the temperature range of 1 171-1 2.3 K and the strain rate range of 0.01-0.33 s^-1 are more suitable for the processing area of C71500 *** accuracy of the above conclusions were verified by the forging of materials and the analysis of hot piercing *** significance of this paper is to provide theoretical basis and technological conditions for hot-press processing of C71500 alloy.

关键词： copper-nickel alloy processing map instability criteria verification forging hot piercing tubes

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西安际华园滑雪馆桩基础施工技术研究与应用

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建筑技术 2024年第19期55卷 2428-2432页

作者：高明新兴际华集团有限公司北京100020

某工程结构类型为钢混凝土框架–剪力墙结构及钢排架结构大型体育场馆。基坑采用放坡开挖,钢筋土钉挂网喷射混凝土保护,基础采用素土挤密桩施工处理后,素土挤密桩范围内消除湿陷性。在复合素土挤密桩基础上,建筑物基础采用混凝土灌注桩... 详细信息

某工程结构类型为钢混凝土框架–剪力墙结构及钢排架结构大型体育场馆。基坑采用放坡开挖,钢筋土钉挂网喷射混凝土保护,基础采用素土挤密桩施工处理后,素土挤密桩范围内消除湿陷性。在复合素土挤密桩基础上,建筑物基础采用混凝土灌注桩,桩身完整性、垂直度及单桩竖向抗压承载力均符合规范要求。通过素土挤密桩和灌注桩处理措施,消除基础的湿陷性,解决滑雪馆主体结构的安全性和稳定问题,可为同类工程施工提供参考。

关键词：滑雪馆湿陷性挤密桩灌注桩基础处理

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Effect of Ce on the cleanliness, microstructure and mechanical properties of high strength low alloy steel Q690E in industrial production process

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International Journal of Minerals,Metallurgy and Materials 2019年第11期26卷 1372-1384页

作者： Hao wang yan-ping Bao {2. Zhao Min wang Xiao-{2. yuan Shuai gao State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China Technical center of Inner Mongolia Baotou {2. Union Co. Ltd.Baotou 014010China The Rare Earth steel Plates Plant of Baotou Iron and steel Co. Ltd.Baotou 014010China

In order to improve the strength and toughness of Q690 E steel sheets,the effect of rare earth element Ce on the strength and toughness of Q690 E steel was studied by means of transmission electron microscopy,scanning electron microscopy,and metallographic *** results showed that the addition of Ce in steel limited the combination of S with Mn and Ca,transformed Al2.3 inclusion into spherical CeAlO3 inclusion,and modified the precipitate form of some composite inclusions of TiN and sulfide oxides into TiN precipitation *** inclusions were *** size of inclusions was decreased from 3–5μm to 1–2.m,and the distribution was *** played a role in purifying molten steel through desulphurization and ***,the addition of Ce in steel effectively increased the nucleation particles in the liquid phase,improved the nucleation rate,enlarged the equiaxed grain refinement area,and limited the development of columnar *** average grain size of slab decreased from 45.76 to 35.2.μm,and the proportion of large grain size(>50μm)decreased from 40.41%to 2..74%.The macrostructural examination of slab was improved from B0.5 to C2.0,which realized the refinement of the solidified structure and reduced the banded structure of hot rolled *** addition,due to the inheritance of refined structure in the upstream,the recrystallization of deformed austenite and the growth of grain after recrystallization were restrained,and a refined tempered sorbite structure was *** rare earth element Ce was added,the width of the martensite lath bundle was narrowed from about 500 nm to about 2.0 nm,which realized a remarkable grain refinement strengthening and toughening *** properties such as tensile,yield,and low-temperature impact toughness were significantly improved.

关键词： rare earth HSLA steel inclusion structure grain refinement strengthening

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不同消毒方法对环境表面的持续性杀菌性能及成本比较

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预防医学论坛 2024年第7期30卷 532-536页

作者：邹朝双高莹罗炜高园郭明孝王海涛德州市疾病预防控制中心职业与环境卫生监测科山东253016 德州市人民医院招标办公室德州市妇幼保健院医院感染管理科

目的比较4种消毒方法对环境表面的持续杀菌性能及成本,为临床环境消毒剂和消毒频次的选择提供实验依据。方法选用耐甲氧西林金黄色葡萄球菌(MRSA)为试验菌株,以不锈钢板模拟医院环境表面,用75%乙醇湿巾、季铵盐医用卫生湿巾、500 mg/L... 详细信息

目的比较4种消毒方法对环境表面的持续杀菌性能及成本,为临床环境消毒剂和消毒频次的选择提供实验依据。方法选用耐甲氧西林金黄色葡萄球菌(MRSA)为试验菌株,以不锈钢板模拟医院环境表面,用75%乙醇湿巾、季铵盐医用卫生湿巾、500 mg/L含氯消毒剂浸润抹布、1000 mg/L含氯消毒剂浸润抹布按照标准擦拭方法对不锈钢板进行擦拭消毒,分别在消毒前、消毒后即刻及30、60、90、12.、150、2.0 min滴加试验菌悬液,作用5 min后采样并培养。比较4种消毒方法在不同时间的菌落总数和细菌杀灭率,统计消毒成本。结果与消毒前比较,4种消毒剂在消毒后各时间点的菌落数均降低(P2.,消毒后150、180、2.0 min细菌菌落数逐渐增多,与消毒后12. min比较差异有统计学意义(t值分别为-13.2.-4.2.-8.2.P2. min检出细菌菌落(t值分别为-3.5、-4.4,P2.0 min细菌菌落数逐渐增多,与消毒后12. min比较差异有统计学意义(双链季铵盐组t值分别为-2.7、-7.9、-9.5,P2.-8.4、-9.8,P2.0,P=0.01),180、2.0 min细菌菌落数逐渐增多,与消毒后150 min比较差异有统计学意义(t分别为-2.0、-9.4,P2.0 min,4种消毒方法对环境表面细菌的杀菌率比较差异无统计学意义(P>0.05);乙醇湿巾消毒后90 min杀菌率降为95.1%,其他3种消毒方法杀菌率仍为100.0%(χ^(2.=11.4,P=0.01);消毒后12. min,1000 mg/L含氯消毒剂杀菌率仍为100.0%,其他3种消毒方法杀菌率均下降(χ^(2.=9.4,P=0.02.;消毒后150 min,乙醇湿巾、500 mg/L含氯消毒剂杀菌率降至90.0%以下(χ^(2.=8.3,P=0.04);消毒后180min,乙醇湿巾、双链季铵盐湿巾、500mg/L含氯消毒剂杀菌率均明显下降,1000 mg/L含氯消毒剂杀菌率仍为98.5%(χ^(2.=9.4,P=0.03);消毒后2.0 min,4种消毒剂杀菌率均下降,差异无统计学意义(χ^(2.=4.0,P=0.2.)。4种消毒方法每次消毒总成本比较差异无统计学意义(F=0.4,P=0.68)。结论4种消毒方法均对环境表面具有良好的杀菌效果,但从杀菌持续性、稳定性、腐蚀性等方面考虑,一次性双链季铵盐消毒湿巾具有较高的性价比。建议对经常接触的医疗设备或易被污染的环境表面应加强消毒力度。

关键词：金黄色葡萄球菌消毒 75%乙醇双链季铵盐消毒剂环境表面

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Effect of coiling and annealing temperatures on yield point behavior of low-carbon {2.

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Journal of Iron and steel Research International 2020年第3期27卷 325-333页

作者： Zhi-ming li Xiang li Lei yang Zheng-yan Shen Bi-lei wang Shun-li Zhao gao-fei liang Chang-jiang Song State Key Laboratory of Advanced Special steel School of Materials Science and EngineeringShanghai UniversityShanghai 200072China technology center of Baoshan Iron&{2. Co. Ltd.Shanghai 201900China

Low-carbon steel is widely used for household appliance and automotive panel steel because of its excellent ***,yield point phenomena easily appear in the low-carbon steel produced by a continuous annealing process and cause degradation to the surface quality during *** effect of the coiling temperature(600-750℃)and annealing temperature(740-82.℃)on the yield point behavior is *** tests show that coiling temperature has a greater effect on yield point elongation(YPE)and aging index(AI)than the annealing *** observations show that coiling temperature at 750℃would make the micron-sized carbides appearing at the grain boundary disappear and a number of dispersed nanoscale carbides precipitate in grain interior,corresponding to the highest solid solution carbon content in the matrix of 750℃coiled *** experimental results suggest that AI rather than YPE has a positive relationship with the solid solution carbon content of the low-carbon *** YPE has a positive relationship with the upper/lower yield strength.

关键词： Low-carbon steel Carbide Yield point elongation Coiling temperature Annealing temperature

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