MICROALLOYING

作品数：104被引量：300H指数：8
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相关领域：金属学及工艺一般工业技术更多>>
相关作者：唐超兰孙扬善姚正军邓英更多>>
相关机构：广东工业大学东南大学南京航空航天大学中南大学更多>>
相关期刊：《Journal of Materials Science & Technology》《Journal of Rare Earths》《Journal of Wuhan University of Technology(Materials Science)》《Journal of Iron and Steel Research International》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划高等学校学科创新引智计划更多>>
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Improving the strength-ductility of laser powder bed fusion René104 through high-density stacking faults induced by Sc and Y microalloying
《Journal of Materials Science & Technology》2024年第25期161-172,共12页Yazhou Zhang Zuming Liu Daoyan Jiang Shupeng Ye Tao Liu Lei Chen Cai Chen 
financially supported by the Project of Chinese Academy of Engineering(Nos.2019-XZ-11 and 2023-XY-18);the Open Fund of National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials of China(No.HKDNM201907).
Improving the strength-ductility is crucial to the development of high-performance nickel-based super-alloys fabricated via additive manufacturing(AM).In this study,Sc and Y microalloying is used to regu-late the micr...
关键词：Nickel-based superalloy Laser powder bed fusion MICROALLOYING Stacking fault Strengthening mechanism 
Influence of Fe-rich phases and precipitates on the mechanical behaviour of Al-Cu-Mn-Fe-Sc-Zr alloys studied by synchrotron X-ray and neutron
《Journal of Materials Science & Technology》2023年第27期226-241,共16页Yuliang Zhao Dongfu Song Shengchuan Wu Shunfu Xie Haoliang Wang Mengmeng Wang Weiwen Zhang Zhenzhong Sun Yubin Ke Shanfeng Wang Wanxia Huang Ricardo Fernández 
financially supported by the Natural Science Foundation of China(Nos.52104373 and 51901042);the Ba-sic and Applied Basic Foundation of Guangdong Province,China(Nos.2020B1515120065 and 2021B1515140028);the Guangdong Province Office of Education,China(No.2018KQNCX256).
A multiscale methodology using scanning and transmission electron microscope,synchrotron X-ray nano-tomography and micro-tomography,small angle neutron scattering,and in situ synchrotron X-ray diffrac-tion has been us...
关键词：Al alloy Ageing process Mechanical properties In situ synchrotron X-ray Sc/Zr microalloying Fe-rich phase 
Synergistic effects of Nb and Mo on hydrogen-induced cracking of pipeline steels:A combined experimental and numerical study被引量：1
《Journal of Materials Science & Technology》2023年第27期156-170,共15页Shiqi Zhang Luming Qi Shilong Liu Zhixian Peng Y.Frank Cheng Feng Huang Jing Liu 
the support from the Na-tional Natural Science Foundation of China(No.52101092,and 52231003);the Natural Science Foundation of Hubei Province of China(No.2021CFA023);the International Science and Technology Cooperation Project of Hubei Province(2021EHB006);the Young Elite Scientists Sponsorship Program by CAST(No.20210324);the Petro China Innovation Foundation(No.2020D-5007-0311)。
The synergistic effects of Nb and Mo on hydrogen-induced cracking(HIC)of pipeline steels were studied experimentally and numerically.The results showed that Mo was primarily segregated at grain-boundaries(GBs)or solid...
关键词：Hydrogen-induced cracking Nb-Mo microalloying Hydrogen permeation PRECIPITATE Pipeline steel 
Enhanced strength and toughness of high nitrogen stainless bearing steel by controlling interstitial partitioning via V-microalloying被引量：2
《Journal of Materials Science & Technology》2023年第20期204-218,共15页Lingfeng Xia Huabing Li Hao Feng Zhouhua Jiang Hongchun Zhu Shucai Zhang Xiaodong Wang 
sponsored by the National Natural Science Foundation of China(Grant Nos.U1960203,52004060,and 52174308);Fundamental Research Funds for the Central Universities(Grant Nos.N2125017 and N2225031);Program of Introducing Talents of Discipline to Universities(Grant No.B21001);Liaoning Pilot Base Project(No.2022JH24/10200026)。
High-nitrogen stainless bearing steel(HNSBS)with ultra-high tensile strength(∼2403 MPa)and good toughness(∼80.0 J)was obtained by V-microalloying,overcoming the strength-toughness trade-off of conventional V-free HN...
关键词：High-nitrogen stainless bearing steel Vanadium microalloying Interstitial partitioning Strength and toughness 
Significant influence of trace Li on the mechanical properties, corrosion behavior, and antibacterial properties of biodegradable Zn–4Cu alloys被引量：1
《Journal of Materials Science & Technology》2023年第20期245-257,共13页Shiyu Huang Heng Liu Yanjing Su Lijie Qiao Yu Yan 
supported by the National Natural Science Foundation of China(Grant Nos.51971035 and U1964204).
In this work,trace Li was introduced to strengthen Zn–4Cu alloys.The results indicated that trace amounts of Li contributed to a significant increase in strength,resulting in an acceptable loss of elongation at fract...
关键词：MICROALLOYING Zn-Cu alloy LiZn_(4)/Zn pairs Biodegradable mechanism SKPFM 
Hardness-thermal stability synergy in nanograined Ni and Ni alloys:Superposition of nanotwin and low-energy columnar boundary
《Journal of Materials Science & Technology》2023年第6期123-131,共9页F.H.Duan Y.Lin Q.Li J.H.Luan J.Lu J.Pan Y.Li 
This work was supported by the National Natural Science Foundation of China(Nos.52022100,52001075,and 52101162);the Shenyang National Laboratory for Materials Science(No.E01SL102);J.Pan is also grateful for support from the Youth In-novation Promotion Association of the Chinese Academy of Sci-ences(No.2020194);Y.Li acknowledges financial support from the Shenyang National Laboratory for Materials Science.J.Lu gratefully acknowledges the support of the National Key R&D Program of China(No.2017YFA0204403);the Major Program of the National Natural Science Foundation of China(NSFC,No.51590892);the Hong Kong Collaborative Research Fund(CRF)Scheme(C4026-17W);Theme-Based Research Scheme(Ref.T13-402/17-N);Gen-eral Research Fund(GRF)Scheme(CityU 11247516,CityU 11209918,CityU 11216219);Shenzhen-Hong Kong Science and Technology Innovation Cooperation Zone Shenzhen Park Project(No.HZQB-KCZYB-2020030).Atom probe tomography research was conducted at the Inter-University 3D Atom Probe Tomography Unit of the City University of Hong Kong,which is supported by the CityU grant 9360161.
Refining grains into nanoscale can significantly strengthen and harden metallic materials;however,nanograined metals generally exhibit low thermal stability,hindering their practical applications.In this work,we explo...
关键词：Nanotwin Thermal stability HARDNESS Low-angle grain boundary MICROALLOYING 
Microstructures, mechanical properties and in vitro corrosion behavior of biodegradable Zn alloys microalloyed with Al, Mn, Cu, Ag and Li elements被引量：2
《Journal of Materials Science & Technology》2022年第8期244-260,共17页Lei Li Huanzheng Jiao Congfu Liu Lin Yang Yusong Suo Ruixue Zhang Tie Liu Jianzhong Cui 
financially supported by the National Natural Science Foundation of China (Nos. 51874092 and 51690161);the Fundamental Research Funds for the Central Universities (No. N180905009)。
In this work,Zn microalloyed with Al,Mn,Cu,Ag and Li was cast,annealed and extruded.The results showed that addition of multiple trace elements causes significant change in the microstructures,mechanical properties an...
关键词：Biodegradable Zn alloy Multi-microalloying Microstructure Mechanical properties Corrosion behavior 
Microstructural strengthening and toughening mechanisms in Fe-containing Ti-6Al-4V:A comparison between homogenization and aging treated states被引量：4
《Journal of Materials Science & Technology》2022年第4期114-126,共13页Yu Liao Junhua Bai Fuwen Chen Guanglong Xu Yuwen Cui 
sponsored by the National Natural Science Foundation of China(Grant No.51801101);the Natural Science Foundation of Jiangsu Province(Grant No.BE2019119)
Microalloying of Ti–6Al–4V alloy by Fe addition has attracted interest as a promising way to improve castability and comprehensive mechanical performance.The mission of this work is twofold by employing the experime...
关键词：TI-6AL-4V Fe microalloying HOMOGENIZATION Yield strength Fracture toughness Microstructural strengthening/toughening factors 
Understanding the enhanced ductility of Mg-Gd with Ca and Zn microalloying by slip trace analysis被引量：5
《Journal of Materials Science & Technology》2021年第36期20-28,共9页Jun Zhao Bin Jiang Yuan Yuan Qinghang Wang Ming Yuan Aitao Tang Guangsheng Huang Dingfei Zhang Fusheng Pan 
financial supports from the National Key Research and Development Program of China(2016YFB0101700 and 2016YFB0301104);the National Natural Science Foundation of China(U1764253,U2037601,51971044 and 52001037);the National Defense Basic Scientific Research program of China,the Qinghai Science and Technology Program(2018GX-A1);the Chongqing Science and Technology Commission(cstc2017zdcy-zdzx X0006);Chongqing Scientific&Technological Talents Program(KJXX2017002)。
This research studied the mechanisms of Ca and Zn microalloying on the enhancement of ductility of extruded Mg-Gd sheet by combing electron backscattered diffraction and slip trace analysis.The ductility and microstru...
关键词：MG-GD Ca-Zn microalloying Slip trace CRACKING DUCTILITY 
Impact of hydrogen microalloying on the mechanical behavior of Zr-bearing metallic glasses: A molecular dynamics study
《Journal of Materials Science & Technology》2020年第10期198-206,共9页Binbin Wang Liangshun Luo Fuyu Dong Liang Wang Hongying Wang Fuxin Wang Lei Luo Baoxian Su Yanqing Su Jingjie Guo Hengzhi Fu 
National Key Research and Development Program of China2016YFB0301201;National Natural Science Foundation of China51425402,51371066,51671073。
Comparative studies on Zr35Cu65and Zr65Cu35amorphous systems were performed using molecular dynamic simulations to explore whether their hydrogenated mechanical behavior depends on the content of hydride-forming eleme...
关键词：Metallic glasses Molecular dynamics Mechanical behavior Atomic structure HYDROGEN 
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