The authors gratefully acknowledge the financial supports from the National Natural Science Foundation of China(No.52104381);the China Postdoctoral Science Foundation(No.2023M732721);also the help on microstructure analysis from Dr.Zhen Wang at the Analytical and Testing Center of Wuhan University of Science and Technology.
The effect of the amount of isothermal martensite and bainite on the microstructure and properties in a medium-carbon quenching and partitioning(Q&P)steel was investigated by designing the different Q&P treatment para...
G115 steel was jointly developed by China Iron & Steel Research Institute Group Co.,Ltd.and Baosteel for usage in 600-650 ℃ ultrasupercritical boiler tubes.Using a hot extruded G115 tube,creep tests were conducted un...
The authors appreciate the financial support from National Key Research and Development Program of China(2017YFBO304900).
The evolution of the microstructure and toughness of APL5L X80 pipeline steel after thermal welding simulation was investigated by X-ray diffraction,electron backscatter diffraction,and transmission electron microscop...
financial support from the National Natural Science Foundation of China (Grant Nos.52274372 and 52201101);the National Key R&D Program of China (2021YFB3702404);the Fundamental Research Funds for the Central Universities (FRF-TP-22-013A1).
Multiphase microstructure significantly increases the strength,usually at the expense of flangeability because of lacking microstructure homogeneity.To further improve the strength-flangeability of multiphase steel,th...
financially supported by the National Natural Science Foundation of China(No.52205431);the CAS Interdisciplinary Innovation Team Project(No.JCTD-2020-10)。
Oxygen is crucial in influencing the microstructure evolution of selective laser melted(SLMed)Ti–6Al–4V,significantly impacting its applicability in various sectors.Therefore,this study investigates the influnce of ...
National Natural Science Foundation of China(Nos.52271004 and 51901021).
1.Introduction Quenched Fe-C martensite is very strong but brittle due to su-persaturated carbon atoms located at octahedron sites[1].In order to improve the ductility,tempering is necessary.With increasing tempering ...
supported by the Youth Innovation Promotion Association CAS(No.2020193);CAS Project for Young Scientists in Basic Research(No.YSBR-025);National Science and Technol-ogy Major Project(No.J2019-VI-0005-0119).
The fabrication of ultrafine-grained microstructures(grain size below 1μm)in titanium alloys is beneficial for improving their mechanical properties at room temperature and medium tempera-tures(400-550°C).However,a ...
supported by the National Natural Science Foundation of China(Grant Nos.52192604 and 52201181);the Key R&D Program of Hubei(No.2022BAA023).
Additive manufacturing technology based on laser powder bed fusion(LPBF)offers a novel approach for fabricating bulk metallic glass(BMG)products without restriction in size and geometry.Nevertheless,the BMGs prepared ...
supported by the National Natural Science Foundation(No.52101128);the National Key R&D Program(No.2018YFE0306102);the Postdoctoral Science Foundation(No.2022M710021);the Northeastern University Postdoctoral Research Fund of China(No.20220202).
The deformation accompanied by austenite to martensite trans-formation was first studied in Fe-Ni alloys,high-Mn steels,and austenitic stainless steels with a full austenite microstructure.The plasticity of these stee...
supported by the National Key Research and Development Program(Grant No.2018YFA0702900);the National Natural Science Foundation of China(Grant Nos.52173305,52101061,52233017,52203384);the China Postdoctoral Science Foundation(Grant Nos.2020M681004,2021M703276);the Institute of Metal Research Innovation Foundation(Grant No.2022-PY12);the Ling Chuang Research Project of China National Nuclear Corporation,CNNC Science Fund for Talented Young Scholars and Youth Innovation Promotion Association,Chinese Academy of Sciences.
The sensitivities of the mechanical properties and microstructure of 15CrNi3MoV alloy steel under different quenching rates were investigated in the present study.After subjection to quenching with four different cool...