GPA

作品数：709被引量：710H指数：9
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相关机构：对外经济贸易大学清华大学中国科学院东北财经大学更多>>
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Microstructural evolution and precipitation behavior of Al-7Si-3Cu alloy prepared under 5 GPa被引量：1
《Journal of Materials Science & Technology》2023年第28期138-150,共13页Ning Fang Chunming Zou Zunjie Wei Hongwei Wang Jiahan Chen Zongyue Jin 
the National Natu-ral Science Foundation of China(Nos.52231002 and 51774105);the Touyan Innovation Team Program(No.XNAUEA5640208420);the Foundation of National Key Laboratory for Precision Hot Pro-cessing of Metals(No.6142909210202).
This paper presents a systematic investigation of the microstructural evolution and mechanical proper-ties of Al-7Si-3Cu alloys prepared under high pressure of 5 GPa.It is found that the dendritic structure disappears...
关键词：Al-Si-Cu alloy High pressure Nanocrystalline eutectics PRECIPITATES Mechanical properties 
Oxygen-assisted spinodal structure achieves 1.5 GPa yield strength in a ductile refractory high-entropy alloy被引量：6
《Journal of Materials Science & Technology》2023年第26期11-20,共10页Dingcong Cui Yuyu Zhang Linxiang Liu Yue Li Lei Wang Zhijun Wang Junjie Li Jincheng Wang Feng He 
the financial support from the National Natural Science foundation of China(NSFC,Granted No.52001266);the Fundamental Research Funds for the Cen-tral Universities(No.G2022KY05109,No.G2022KY05113);Guangdong Basic and Applied Basic Research Foundation(No.2023A1515012703);The Shanghai“Phosphor”Science Foundation,China(23YF1450900)。
Refractory high-entropy alloys(RHEAs)with room-temperature ductility are drawing growing attention for potential high-temperature applications.However,the most widely used metallurgical mechanisms appear weak in optim...
关键词：High entropy alloys Spinodal decomposition Strengthening mechanisms 
A new strengthening mechanism driven by disruptive shear and solute segregation during warm rolling in 1.4 GPa class 12.5 wt% Al added-FeMnC ultra-lightweight steel
《Journal of Materials Science & Technology》2023年第26期174-188,共15页Chiwon Kim Hyun-Uk Hong Joonoh Moon Bong Ho Lee Seong-Jun Park Chang-Hoon Lee 
the financial support of the Na-tional Research Foundation of Korea(NRF)grant funded by the Korean government(Ministry of Science and ICT/MSIT,No.RS-2023-00208509);funded by the Ko-rean government(Ministry of Trade,Industry and Energy/MOTIE,20010748).
Novel strengthening of Fe-29.1Mn-12.5Al-1.35C-4.95Cr steel achieved by warm rolling was investi-gated.The solution-treated steel consisted of aγ-matrix containing nano-sizedκ-carbide((Fe,Mn)_(3) AlC)and elongated pr...
关键词：FeMnAlC Cr addition κ-carbide Dynamic strain aging Strengthening 
Deformation mechanisms for a new medium-Mn steel with 1.1 GPa yield strength and 50% uniform elongation
《Journal of Materials Science & Technology》2023年第1期110-118,共9页Wei Wang Yanke Liu Zihan Zhang Muxin Yang Lingling Zhou Jing Wang Ping Jiang Fuping Yuan Xiaolei Wu 
supported by the National Key R&D Pro-gram of China(No.2017YFA0204402);the NSFC Basic Science Cen-ter Program for“Multiscale Problems in Nonlinear Mechanics”(No.11988102);the National Natural Science Foundation of China(Nos.11790293 and 52192591).
A new medium-Mn steel was designed to achieve unprecedented tensile properties,with a yield strength beyond 1.1 GPa and a uniform elongation over 50%.The tensile behavior shows a heterogeneous deforma-tion feature,whi...
关键词：Medium-Mn steel Strain hardening DUCTILITY Martensite transformation Strain gradient Mobile dislocations 
Comparing hydrogen embrittlement behaviors of two press hardening steels:2 GPa vs.1.5 GPa grade被引量：2
《Journal of Materials Science & Technology》2022年第29期109-115,共7页Z.H.Cao B.N.Zhang M.X.Huang 
the support from the National Natural Science Foundation of China(No.U1764252);the Guangzhou Municipal Science and Technology Project(No.202007020007);the National Key Research and Development Program of China(No.2019YFA0209900);the Guangdong Basic and Applied Basic Research Foundation of China(No.2020B1515130007);the Research Grants Council of Hong Kong(Nos.R7066–18,17255016,17210418)。
1.Introduction The pursuit of advanced high-strength steels(AHSS)has been rising for the automobile industry to build lightweight and fuelefficient vehicles without compromising crashworthiness[1,2].The group of press...
关键词：strength TOUGHNESS STEELS 
A feasible route to produce 1.1 GPa ferritic-based low-Mn lightweight steels with ductility of 47%被引量：1
《Journal of Materials Science & Technology》2022年第22期225-237,共13页Kwang Kyu Ko Hyo Ju Bae Eun Hye Park Hyeon-Uk Jeong Hyoung Seok Park Jae Seok Jeong Jung Gi Kim Hyokyung Sung Nokeun Park Jae Bok Seol 
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.Patent application(Korean Patent application number 10-2020-0172118)has been filed based on the results of this study。
High- and medium-Mn (H/M-Mn) base lightweight steels are a class of ultrastrong structural materials with high ductility compared to their low-Mn counterparts with low strength and poor ductility.However, producing th...
关键词：Low-Mn lightweight steel Carbon partitioning Metastable austenite Dislocation movement 
Stabilized sub-grain and nano carbides-driven 1.2 GPa grade ultra-strong CrMnFeCoNi high-entropy alloy additively manufactured by laser powder bed fusion被引量：1
《Journal of Materials Science & Technology》2022年第22期8-22,共15页Young-Kyun Kim Kee-Ahn Lee 
This study supported by National Research Foundation of Korea(NRF)grant funded by the Korea government(MEST)(No.2019R1A2C1008904).
High-entropy alloys(HEAs)with interstitial atoms that are produced by additive manufacturing have gained intensive interest in the materials science community because of their suitability for constructing high-strengt...
关键词：Selective laser melting High-entropy alloy Carbon contents Aging Microstructure evolution Tensile property Deformation mechanism 
Strength-ductility synergy in a 1.4 GPa austenitic steel with a heterogeneous lamellar microstructure
《Journal of Materials Science & Technology》2022年第11期133-138,共6页Gang Niu Hatem S.Zurob R.D.K.Misra Huibin Wu Yu Zou 
the support from the National Natural Science Foundation of China (Nos.51774033 and 51474031)。
1.Introduction Advanced high-strength steels with good ductility are essen-tial to the manufacturing,structural safety,and light-weighting of load-bearing structures in many industries[1-3].Austenitic stain-less steel...
关键词：steel DUCTILITY AUSTENITIC 
A kink-bands reinforced titanium alloy showing 1.3 GPa compressive yield strength:Towards extra high-strength/strain-transformable Ti alloys被引量：2
《Journal of Materials Science & Technology》2021年第15期21-26,共6页Jinyong Zhang Bingnan Qian Yijin Wu Yu Wang Jun Cheng Zheng Chen Jinshan Li Fan Sun Frederic Prima 
the State Key Laboratory of Solidification Processing in NWPU(No.SKLSP201818);the National Natural Science Foundation of China(No.51601216);the Fundamental Research Funds for the Central Universities(No.2018GF13)。
1.Introduction In structural metallic materials,the occurrence of particular deformation mechanisms such as dislocation slip,deformation twins(DTs)[1,2]deformation kink bands(KBs)[3,4]or stressinduced phase transforma...
关键词：deformation strength STRAIN 
2.47 GPa grade ultra-strong 15Co-12Ni secondary hardening steel with superior ductility and fracture toughness被引量：5
《Journal of Materials Science & Technology》2021年第7期36-45,共10页Young-Kyun Kim Kyu-Sik Kim Young-Beum Song Jung Hyo Park Kee-Ahn Lee 
the financial support provided by Agency for Defense Development (ADD), Republic of Korea (Project No. UE181033GD)。
This study investigated the effect of multi-step heat treatment on the microstructure, mechanical properties and fracture behavior of thick 15 Co-12 Ni secondary hardening steel. As-quenched sample was found to have e...
关键词：Ultra-high strength High Co-Ni secondary hardening steel Microstructure Tensile properties Fracture toughness Reverted austenite 
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