LOW-DENSITY

作品数：127被引量：302H指数：8
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Effects of carbon content on the microstructure and tensile properties of a low-density steel
《International Journal of Minerals,Metallurgy and Materials》2025年第2期391-401,共11页Yongxuan Shang Mingyu Fan Shuyong Jiang Zhongwu Zhang 
financially supported by the National Natural Science Foundation of China(Nos.U2141207,52171111,and 52001083);the Youth Talent Project of China National Nuclear Corporation(No.CNNC2021Y-TEPHEU01);the China Postdoctoral Science Foundation(No.2020M681077);the Natural Science Foundation of Heilongjiang,China(No.LH2019E030);the Heilongjiang Postdoctoral Science Foundation,China(No.LBH-Z19125);he Heilongjiang Touyan Innovation Team Program,China,and the Natural Science Foundation of Heilongjiang(No.LH2020E060)。
Carbon can change the phase components of low-density steels and influence the mechanical properties.In this study,a new method to control the carbon content and avoid the formation ofδ-ferrite by decarburization tre...
关键词：low-density steels carbon content DECARBURIZATION strengthening mechanisms work hardening behavior 
Correlation between grain size,mechanical properties and deformed microstructure of Fe-20Mn-6Al-0.6C-0.15Si low-density steel
《Journal of Iron and Steel Research International》2025年第1期282-292,共11页Qi Zhang Guang-hui Chen Zheng-liang Xue Zheng-kun Chen Guang Xu 
supports from National Natural Science Foundation of China(No.U20A20270);China Postdoctoral Science Foundation(No.2022M722486).
The effects of austenite grain size on the deformed microstructure and mechanical properties of an Fe-20Mn-6Al-0.6C-0.15Si(wt.%)low-density steel were investigated.The microstructure of the experimental steel after so...
关键词：Austenitic low-density steel Solution treatment Grain size Mechanical property Deformed microstructure 
Dynamic properties of low-density expandable polystyrene concrete materials
《Defence Technology(防务技术)》2025年第1期94-108,共15页Jue Han Hualin Fan 
Supports from National Natural Science Foundation of China(U20A20286 and 12372135)。
Expanded polystyrene(EPS)concrete,known for its environmental friendliness,energy absorption capacity,and low impedance,has significant potential application in the fields of wave absorption and vibration reduction.Th...
关键词：EPS concrete Impact behavior Constitutive model SHPB test 
Effects of heating temperature and atmosphere on element distribution and microstructure in high-Mn/Al austenitic low-density steel
《International Journal of Minerals,Metallurgy and Materials》2024年第12期2670-2680,共11页Qi Zhang Guanghui Chen Yuemeng Zhu Zhengliang Xue Guang Xu 
gratefully acknowledge the financial support from the National Natural Science Foundation of China(No.U20A20270);China Postdoctoral Science Foundation(No.2022M722486).We would like to thank Dr.Wei Yuan at the Analytical&Testing Center of Wuhan University of Science and Technology for the help on EPMA analyses.
The elemental distribution and microstructure near the surface of high-Mn/Al austenitic low-density steel were investigated after isothermal holding at temperatures of 900-1200℃ in different atmospheres,including air...
关键词：low-density steel oxidation MICROSTRUCTURE element distribution compound scale 
Enhancing strength-ductility balance in Fe-Mn-Al-C-Ni austenitic low-density steel via intragranular dual-nanoprecipitation被引量：1
《Journal of Materials Science & Technology》2024年第33期38-51,共14页Y.F.An X.P.Chen L.Mei Y.C.Qiu Y.Z.Li W.Q.Cao 
supported by the National Natural Science Foundation of China(Nos.52171105 and 51871062).
Strength-ductility trade-off is usually an inevitable scenario inκ′-carbides strengthened austenitic lightweight steel.The reduction of ductility is primarily attributed to the shearing of coherentκ′-carbides by d...
关键词：Lightweight steel Dual-nanoprecipitation Precipitation strengthening Work hardening capability 
Effect of temperature and time on the precipitation ofκ-carbides in Fe-28Mn-10Al-0.8C low-density steels:Aging mechanism and its impact on material properties被引量：1
《International Journal of Minerals,Metallurgy and Materials》2024年第10期2189-2198,共10页Yulin Gao Min Zhang Rui Wang Xinxin Zhang Zhunli Tan Xiaoyu Chong 
supported by the National Key Research and Development Program of China(No.2023YFB3711702).
In low-density steel,κ-carbides primarily precipitate in the form of nanoscale particles within austenite grains.However,their precipitation within ferrite matrix grains has not been comprehensively explored,and the ...
关键词：low-density steel κ-carbide solution-aging treatment HARDNESS 
On the Factors Influencing the High Stretch-Flangeability of a Low-Density 1180 MPa Fe-Mn-Al-C-Nbδ-QP Steel
《Acta Metallurgica Sinica(English Letters)》2024年第8期1291-1300,共10页Dan‑Dan Cui Peng Chen Peng‑Fei Wang Xiao‑Wu Li 
supported by the National Natural Science Foundation of China(Grant Nos.52171108 and 51804072);the Fundamental Research Funds for the Central University(Grant Nos.N2202007 and N2202011);Special thanks are also due to the instrumental or data analysis from Analytical and Testing Center,Northeastern University,China.
Low-densityδ-quenching and partitioning(δ-QP)steels with excellent strength and ductility have been recently developed.However,there are still rare reports on the formability of δ-QP steels,which are critical for s...
关键词：Hole expansion ratio Low-densityδ-quenching and partitioning(δ-QP)steel Stretch-flangeability Austenite stability Deformation uniformity 
Effect of Ti/Nb/Ta addition on the γ/γ' coherent microstructure in low-density and high-strength Co-Al-W-Mo-based superalloys
《Journal of Materials Science & Technology》2024年第19期174-187,共14页Jinlin Li Jiaqi Zhang Zhen Li Qing Wang Chuang Dong Fen Xu Lixian Sun Peter K.Liaw 
financially supported by the National Natural Science Foundation of China(Nos.52171152,91860108 and U1867201);the Key Discipline and Major Project of Dalian Science and Technology Innovation Foundation(No.2020JJ25CY004);Guangxi Key Laboratory of Information Laboratory Foundation(No.221013-K);Peter K.Liaw very much appreciates the support from the National Science Foundation(Nos.DMR-1611180,1809640,and 2226508).
Coherent precipitation of cuboidal γ'-Co3(Al,W) nanoparticles in face-centered-cubic (FCC)-γ matrix is of great significance for improving high-temperature mechanical properties of Co-based superalloys. The present ...
关键词：Co-based superalloys Coherent microstructure Lattice misfit Particle coarsening Mechanical properties 
Uncovering Microstructure-Property Relationship in Ni-Alloyed Fe-Mn-Al-C Low-Density Steel Treated by Hot-Rolling and Air-Cooling Process
《Acta Metallurgica Sinica(English Letters)》2024年第4期713-725,共13页Xiaoliang Jia Guhui Gao Xiaolu Gui Chun Feng R.D.K.Misra Bingzhe Bai 
funding from the National Key Technologies Research and Development Program of China(No.2021YFB3703500);the National Natural Science Foundation of China(No.51771014).
This paper focuses on the relationship between the microstructure and tensile properties of Fe-Mn-Al-C low-density high-strength steel processes by hot-rolling and air-cooling process. The microstructure analysis reve...
关键词：Low-density steel Microstructure B_(2)phase κ-Carbide Tensile properties 
Precipitation transformation pathway and mechanical behavior of nanoprecipitation strengthened Fe-Mn-Al-C-Ni austenitic low-density steel被引量：1
《Journal of Materials Science & Technology》2024年第7期157-167,共11页Y.F.An X.P.Chen L.Mei P.Ren D.Wei W.Q.Cao 
supported by the National Natural Science Foundation of China(Nos.52171105 and 51871062).
Precipitation strengthening has been widely adopted in austenitic low-density steel owing to excellent hardened effects.This approach generally employs the coherentκ′carbides and non-coherent B2 particles.Revealing ...
关键词：Lightweight steel κ′-carbides B2 particles Work hardening capability 
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