Chongqing Natural Science Foundation(No.CSTB2022NSCQ-MSX1394);Graduate Research and Innovation Foundation of Chongqing,China(Grant No.CYS22008);Open Project of State Key Laboratory of Advanced Special Steel,Shanghai Key Laboratory of Advanced Ferrometallurgy,Shanghai University(SKLASS 2023-10);the Science and Technology Commission of Shanghai Municipality(No.19DZ2270200);the Open Project of the Large Casting and Forging Manufacturing Technology Engineering Center of Shanghai Institute of Mechanical and Electrical Engineering,State Key Laboratory of Vanadium and Titanium Resources Open Fund(No.2022P4FZG04A).
The microstructure evolution and mechanical properties of a Fe-0.12C-0.2Si-1.6Mn-0.3Cr-0.0025B(wt.%)steel with different initial microstructures,i.e.,hot rolled(HR)and cold rolled-annealed(CRA),were studied through op...
supported by the National Natural Science Foundation of China(Grant Nos.51904278,51974288 and 52071300);the Special Funding Projects for Local Science and Technology Development guided by the Central Committee(YDZJSX2021C007,YDZJSX2021B020 and YDZX20191400004587);the Key Research and Development Project of Shanxi Province(202102050201004,202102150401002,202202050201015);the Scientific and Technological Innovation Talent Team Project of Shanxi Province(202204051002020);the Basic Research Program of Shanxi Province(20210302123218,202203021212126,202203021221096);the Foundation of the State Key Laboratory of Advanced Metallurgy,USTB(K22-11);the Special Project for Transformation of Scientific Achievements(202204021301025).
High strength steels exhibit superior mechanical properties due to the unique microstructure,which successfully solves the drawback of the inevitable strength-toughness trade-off that occurs in traditional alloys.Here...
financially supported by National Natural Science Foundation of China(No.51905110);Guangdong Province Key Area R&D Program(No.2020B0101340004);Guangdong Academy of Science(No.2021GDASYL-20210102002);International Science and Technology Cooperation Project of Guangdong Province(No.2021A0505030051);Natural Science Foundation of Guangdong Province(No.2021A1515010620).
The corrosion and impact-abrasion-corrosion behaviors of quenching-tempering Fe-Cr martensitic steels for ball mill liner were investigated in the corrosive slurry of a copper mine compared with high manganese steel.I...
The authors gratefully acknowledge financial support by the National Key R&D Program of China(Grant No.2017YFB0305300);the Joint Fund project of the Ministry of Education for Equipment Pre-research(6141A020222).
The effects of tempering temperature on the microstructure and mechanical properties of high-strength structural steel containing niobium were investigated to examine the roles of nanoscale precipitates and metastable...
The authors acknowledge the generous financial support from National Key R&D Program of China(No.2016YFB0300601);the National Natural Science Foundation of China(Nos.U1564203,51831002 and 51571141);The authors also gratefully acknowledge the support sponsored by Program of Shanghai Academic Research Leader 18XD1402200;provided by Shanghai Key Laboratory of Materials Laser Processing and Modification,Shanghai Jiao Tong University;Besides,this research was supported by the TESCAN CHINA.
The effect of tempering on carbides and hydrogen embrittlement in E690 high strength marine structural steel has been investigated.The steel was tempered at 600℃ for 1–3 h.Detailed characterization was carried out t...
support from the National Natural Science Foundation of China(5190102i);the"Beijing Institute of Technology Research Fund Program for Young Scholars".
Instead of conventional quenching and tempering,fast austenitization from an initial microstructure of lamellar pearlite followed by quenching and tempering was carried out,leading to the formation of inhomogeneous mi...
This research was sponsored by the National Natural Science Foundation of China(Grant Nos.U1960203,U1908223,and 51774074);Talent Project of Revitalizing Liaoning(Grant No.XLYC1902046);State Key Laboratory of Metal Material for Marine Equipment and Application(Grant No.HG-SKL(2019)13);the"Innovation&Entrepreneurship Talents”Introduction Plan of Jiangsu Province in 2018.
55Cr17Mo1VN high nitrogen martensitic stainless steel is usually applied to the high-quality mold,which is largely produced by the pressurized electro slag remelting process.The microstructure evolution of quenching a...
supported by the Fundamental Research Funds for the Provincial Universities of Zhejiang(No.SJLZ2021002);the Natural Science Foundation of Zhejiang Province(Grant No.LY18EO50006);the Natural Science Foundation of Ningbo City(Grant No.2017A610088);the Ningbo Science and Technology Innovation 2025 Major Project(2018B10004,2019B10100);National Natural Science Foundation of China(Grant No.51405248)。
To further improve the comprehensive properties of 42CrMo/Q235 laminated shafts produced by cross wedge rolling.theheat treatment of the shafts was studied.Tensile and bending tests were carried out to compare the cha...
The work was financially supported by National Natural Science Foundation of China(Grant No.51761022);Fund for Testing and Analyzing of Kunming University of Science and Technology(Grant Nos.2016T20110167 and 2017M20162130021).
The carbides precipitation and their evolution at elevated tempering temperature in Crl5Col0Mo5-alloyed heat-resistant bearing steel were investigated by means of the transmission electron microscope.The results show ...
sponsored by Key Projects in the National Science&Technology Pillar Program of China(2013BAE07B00);State Natural Science Fund Projects of China(51474142,51671124);Program for Professor of Special Appointment(Eastern Scholar)at Shanghai Institutions of Higher Learning(2012);China Postdoctoral Science Foundation(2015M580316)
A new process involving ultra-fast cooling(UFC)and on-line tempering(OLT)was proposed to displace austempering process,which usually implements in a salt/lead bath and brings out serious pollution in the industria...