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XSI: 作品数：245被引量：323H指数：7; 导出分析报告; 相关领域：一般工业技术金属学及工艺自动化与计算机技术更多>>; 相关作者：李国正徐至中刘恩科周国良盛篪更多>>; 相关机构：复旦大学中国科学院西安交通大学北京科技大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家高技术研究发展计划国家重点基础研究发展计划陕西省自然科学基金更多>>

Selection of Constitutive Models for As-Cast Low Alloyed Al-xSi-yCu Alloys: 《新疆大学学报(自然科学版中英文)》2025年第1期1-13,23,共14页GAO Xiang; supported by the Natural Science Foundation of Xinjiang Uygur Autonomous Region of China“Study on constitutive behavior of Al-xSi-yCu high purity aluminum alloy billets for target materials”(2020D01C023).; To guarantee the computational accuracy of the finite element model,the strain-compensated Arrhenius-type model,modified Fields-Backofen(m-FB)model and modified Zerilli-Armstrong(m-ZA)model were established to predict...; 关键词：constitutive model flow stress hot deformation aluminum alloy

冷轧变形对叶轮机叶片Al-6.5Si-0.8Ti-xSi合金组织及力学性能的影响: 《锻压技术》2024年第12期106-112,共7页范建华徐艳萍韩俊召李明; NSFC-河南联合基金重点项目(U1804254)。; 对叶轮机叶片用Al-6.5Si-0.8Ti合金进行室温拉伸实验并对其进行表征,研究不同冷轧变形量和添加Si元素对合金组织演变及力学性能的影响规律。结果表明:合金基体组织中形成了大量的网状分布形态,经过550℃+1 h热处理后,观察不到白色初生相...; 关键词：Al-Si-Ti合金冷轧微合金化微观组织力学性能

TiB_(2)/Mg-4Al-xSi镁基复合材料的耐磨性能研究: 《铸造》2024年第11期1548-1553,共6页刘健赵宇王武孝何娜龚航; 国家自然科学基金面上项目(52275377)。; 细化Mg_(2)Si相是提高Mg-Al-Si合金强度和韧性的重要措施,以TiB_(2)纳米颗粒作为Mg_(2)Si的异质形核剂,采用半固态搅拌结合熔体超声处理法将TiB_(2)纳米颗粒加入Mg-4Al-x Si(x=0.5,1.0,1.5,2.0)(质量分数,下同)合金熔体中,制备出TiB_(2)...; 关键词：镁基复合材料 MG_2SI TiB_2纳米颗粒磨损率磨损机制

Quantification of irrigation water transport processes in ZiZiphus jujuba garden using water stable isotopes: 《Journal of Mountain Science》2024年第10期3263-3274,共12页ZHONG Xiaofei ZHANG Mingjun CHE Cunwei LIU Zechen LI Beibei ZHANG Yuanyuan; funded by the National Natural Science Foundation of China(Grant No.42071047 and 41771035);the Basic Research Innovation Group Project of Gansu Province(Grant No.22JR5RA129).; ZiZiphus jujuba,which is native to China,has become one of the main crops widely planted in the western Loess Plateau because of its drought and flood-tolerance,adaptability,and higher nutritional value of the fruit.T...; 关键词：Water stable isotopes Different irrigation volumes ZiZiphus jujuba Irrigation water infiltration process MixSIAR model

Si对Cu-10Fe合金凝固组织及软磁性能的影响: 《特种铸造及有色合金》2024年第6期721-728,共8页张宇博陈佳乐接金川李廷举; 国家自然科学基金资助项目(52171135);国家重点研发计划资助项目(2018YFE0306103)。; 采用光学显微镜、电子探针分析、X射线衍射仪、相图计算、万能力学试验机、振动试样磁强计测试等手段,研究了Si对Cu-10Fe(质量分数,%)合金组织、凝固行为与力学性能和软磁性能的影响。结果表明,随着Si含量从0增加到2%,富Fe相含量由7.39...; 关键词：Cu-10Fe-xSi合金微观组织力学性能软磁性能

Microstructure evolution,mechanical properties and fracture behavior of Al-xSi/AZ91D bimetallic composites prepared by a compound casting: 《Journal of Magnesium and Alloys》2024年第5期1944-1964,共21页Guangyu Li Wenming Jiang Feng Guan Junwen Zhu Yang Yu Zitian Fan; the supports provided by the National Natural Science Foundation of China(Nos.52075198 and 52271102);the China Postdoctoral Science Foundation(No.2021M691112);the State Key Lab of Advanced Metals and Materials(No.2021-ZD07);the Analytical and Testing Center,HUST。; In this paper,the effect of the Si content on microstructure evolution,mechanical properties,and fracture behavior of the Al-xSi/AZ91D bimetallic composites prepared by compound casting was investigated systematically...; 关键词：Al/Mg bimetallic composites Si content Mg_(2)Si reinforcement Microstructure Mechanical properties Fracture behavior

SC-V2XSim:车路协同环境下的高速公路混合交通流联合仿真方法被引量：2: 《武汉大学学报（信息科学版）》2024年第4期595-608,共14页史云阳朱世超徐长靖任骏逸毕聪威刘志远; 国家自然科学基金(52131203)。; 基于开源微观交通仿真软件SUMO构建车路协同环境下的车辆驾驶行为模型,包括驾驶控制、驾驶建议与智慧导航3个模块及6个典型车路协同场景。结合车辆仿真软件CARLA具备高精度物理与传感器模型的优势,提出了一种面向高速公路混合交通流的...; 关键词：车路协同混合交通流联合仿真评价体系

主元素改变对Al-8Mg-xSi合金微观组织和力学性能的影响: 《世界有色金属》2024年第4期87-89,共3页朱清越; 本文在高镁铝合金的基础上设计了一系列成分,研究了Si含量对Al-8Mg-xSi合金显微组织和力学性能的影响。研究结果表明:随着Si含量的增加,晶界轮廓逐渐清晰,Mg_2Si强化相体积分数增加。当Si含量为2.6wt.%时合金的综合力学性能最佳,硬度、...; 关键词：AL-MG-SI合金高镁铝合金微观组织力学性能

Patterns and drivers of seasonal water sources for artificial sand-fixing plants in the northeastern Mu Us sandy land,Northwest China被引量：1: 《Pedosphere》2024年第1期63-77,共15页Yanwu PEI Laiming HUANG Ming'an SHAO Jiao WANG Yinglong ZHANG; funded by the National Natural Science Foundation of China(No.42377302);the Youth Innovation Promotion Association of Chinese Academy of Sciences(No.2019052);the Bingwei Outstanding Young Talent Project from the Institute of Geographical Sciences and Natural Resources Research,China(2017RC203);the Open Foundation of State Key Laboratory of Urban and Regional Ecology,China(SKLURE2023-2-2)。; Understanding plant water-use patterns is important for improving water-use efficiency and for sustainable vegetation restoration in arid and semi-arid regions. However, seasonal variations in water sources and their ...; 关键词：desert ecosystem MixSIAR model plant water uptake soil moisture stable isotopes vegetation restoration water-use efficiency

Microstructure and Properties of Fe-12Cr-2.5W-xSi-0.4Ti-0.3Y_(2)O_(3)Alloys: 《Journal of Wuhan University of Technology(Materials Science)》2023年第4期893-896,共4页孙魁姚振华 WANG Chaofeng DU Xueming; Funded by the Natural Science Foundation of China(No.51801140);the Fundamental Research Funds for the Central Universities(No.WUT3120619103)。; Fe-12Cr-2.5W-x Si-0.4Ti-0.3Y_(2)O_(3)alloys were fabricated by mechanical alloying and vacuum sintering.The effect of sintering temperature and Si content on the microstructure and properties of the alloy was investig...; 关键词：sintering temperature Si content nano-precipitates tensile strength

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