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Mechanism of material removal and chip formation of alumina dispersion strengthened copper in micro-milling
《Frontiers of Mechanical Engineering》2025年第1期27-43,共17页Chang LIU Chunya WU Xiguang LI Bo HOU Jiahao WU Ruijiang SUN Mingjun CHEN 
supported by the National Key R&D Program of China(Grant No.2023YFC2413303);the National Natural Science Foundation of China(Grant No.52075128);the Natural Science Foundation of Heilongjiang Province,China(Grant No.YQ2020E013).
Alumina dispersion-strengthened copper (ADSC), as a representative particle-reinforced metal matrix composite (PRMMC), exhibits superior wear resistance and high strength. However, challenges arise in their processabi...
关键词：alumina dispersion-strengthened copper particle-reinforced metal matrix composites material removal mechanism MICRO-MILLING chip formation minimum uncut chip thickness 
Analytical study on the mechanical behavior of longitudinal joints in shield tunnel strengthened by a steel ultra-high performance concrete composite
《Frontiers of Structural and Civil Engineering》2025年第2期207-223,共17页Renpeng CHEN Meng FAN Hongzhan CHENG Huaina WU Yang ZHANG Binyong GAO 
support of National Natural Science Foundation of China(Grant Nos.51938005,52090082,and 52378395).
A mechanical calculation model for longitudinal joints strengthened by steel ultra-high performance concrete (UHPC) composites was first proposed and validated against the numerical results. This method can continuous...
关键词：longitudinal joint analytical solution strengthening mechanism steel UHPC composite 
Pursuing a Joint Aspiration
《ChinAfrica》2025年第2期14-15,共2页ZHOU YUYUAN 
Chinese Foreign Minister Wang Yi visited Namibia,the Republic of the Congo,Chad,and Nigeria from 5 to 11 January,continuing the tradition of a Chinese foreign minister choosing Africa for the first overseas trip of a ...
关键词：STRENGTHENED AFRICA TRADITION 
THE DEHONG MODEL Strengthening cross-border people-to-people interactions between China and Myanmar
《China Report ASEAN》2025年第1期27-29,共3页Hou Sheng Li Yang 
China and Myanmar are friendly neighbors connected by mountains and rivers,whose people have shared a friendship since ancient times so profound that it harnessed the term“Paukphaw,”a Burmese word for sibling.In Jan...
关键词：DEEPENING STRENGTHENED MOUNTAINS 
Strengthened US-Japan Cooperation in the South China Sea in the Context of the“Indo-Pacific Strategy”:Measures,Motivations and Effects
《和平与发展》2024年第6期184-186,共3页Du Lan Yao Zeyu 
In recent years,the US-Japan alliance has been greatly strengthened,and the South China Sea issue has gradually become an important tool for the two countries to jointly promote the“Indo-Pacific strategy”and attract...
关键词：China STRENGTHENED JAPAN 
A novel D0_(22)-strengthened medium entropy alloy with outstanding strength-ductility synergies over ambient and intermediate temperatures
《Journal of Materials Science & Technology》2024年第35期152-164,共13页Jie Gan Jinxiong Hou Tzuhsiu Chou Xier Luo Jiang Ju Junhua Luan Guoqiang Huang Bo Xiao Jixun Zhang Jianyang Zhang Yakun Tao Junheng Gao Tao Yang 
the City University of Hong Kong acknowl-edge the financial support from the Shenzhen Science and Tech-nology Program(Grant No.SGDX20210823104002016);the Hong Kong Research Grant Council(RGC)(Grant Nos.CityU 21205621 and C1020-21G);the National Natural Science Foundation of China(Grant No.52301174).
Precipitation-strengthened medium/high-entropy alloys(MEAs/HEAs)have great potential for high-temperature applications.In this study,we designed a novel Ni_(45.9)Fe_(23)Cr_(23)V_(4)Nb_(3)Mo_(1)B_(0.1)(at.%)MEA alloy,h...
关键词：Precipitation strengthening Medium-entropy alloys D0_(22)phase Intermediate-temperature embrittlement High-temperature deformation 
Ultrahigh-strengthened intragranularκ-Al_(2)O_(3)nanoparticles dispersed Mo composite prepared via SPS sintering of core-shell Mo nanocomposite powder
《Journal of Materials Science & Technology》2024年第34期32-43,共12页Shu-Xin Yan Ming-Yang Li Xiao-Bo He Fu-Fa Wu Shun-Hua Chen Guo-Dong Sun 
supported by the Natural Science Foundation of Shaanxi Province,China(No.2020JC-50);the National Natural Science Foundation of China(Nos.52304386 and 52203382);the Young Talent Fund of Association for Science and Technology in Shaanxi,China(No.2021-1-2);the Key Research and Development Program of Shaanxi(No.2024GX-YBXM-355);the Innovation Ca-pacity Support Projects of Shaanxi Province(No.2023KJXX-096).
Oxide dispersion strengthening(ODS)is an effective method to improve the mechanical properties of Mo-based materials.However,the mechanical properties of traditional ODS-Mo composites are always lim-ited by the coarse...
关键词：Oxide dispersion strengthened NANOCOMPOSITE Spark plasma sintering Refractory metals 
Mechanical properties of segmental joints strengthened by assembled reinforcement structures for shield tunnel linings
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2024年第12期1037-1050,共14页Zhiguo YAN Sihang AI Xia YANG Long ZHOU Bing FAN Huan PANG 
supported by the National Natural Science Foundation of China(No.52008308);the China Postdoctoral Science Foundation(Nos.BX20200247 and 2021M692447);the Research Project from Jinan Rail Transit Group Co.,Ltd.and China Railway No.5 Engineering Group Co.,Ltd.(No.R2-ZF-2019-039).
We develop assembled reinforcement structures(ARSs)composed of connection parts,connecting rods,and straight bolts to strengthen segmental joints in the lining of shield tunnels.Through full-scale bending experiments ...
关键词：Shield tunnel Segmental joint Assembled reinforcement structure(ARS) Mechanical properties 
Exploring the evolution of microstructure and mechanical property of aγʹ-strengthened Co-based single crystal superalloy during creep and thermal exposure at 1000℃
《Journal of Materials Science & Technology》2024年第36期39-52,共14页Zhen Xu Chuan Guo Yu Li Zhiwei Lv Xiaogang Hu Xinggang Li Qiang Zhu 
supported by the China Post-doctoral Science Foundation(No.2023M731500);the Shen-zhen Science and Technology Innovation Commission,China(Nos.JCYJ20210324104610029,KQTD20170328154443162,and JCYJ20220818100613028);the National Natural Science Foundation of China(No.52250710160),the National Key Research and De-velopment Program of China(No.2017YFB0702901);the Shenzhen Key Laboratory for Additive Manufacturing of High-performance Materials(No.ZDSYS201703031748354)。
The study provided a systematic investigation into the creep behavior of aγʹ-strengthened Co-based single crystal superalloy Co-7Al-8W-1Ta-4Ti(at.%)under compressive creep conditions at 1000℃and 137 MPa.Simultaneous...
关键词：SUPERALLOY ompressive creep Thermal exposure Vickers hardness TWINNING 
A LEGACY OF FRIENDSHIP AND GROWTH
《Beijing Review》2024年第45期21-21,共1页Jose Carlos Feliciano 
China and Peru share a long history of cooperation and mutual respect that spans more than 50 years of diplomatic relations and over 170 years of cultural exchange through migration.Their longstanding friendship has s...
关键词：migration. mutual STRENGTHENED 
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