supported by the Project of Liaoning Marine Economic Development(Development of high strength pipeline steel for submarine oil and gas transmission);State Key Laboratory of Metal Material for Marine Equipment and Application Funding(No.SKLMEA-K202205).
The phase volume fraction has an important role in the match of the strength and plasticity of dual phase steel.The different bainite contents(18–53 vol.%)in polygonal ferrite and bainite(PF+B)dual phase steel were o...
The authors gratefully acknowledge the financial support from the National Natural Science Foundation of China(52071238);Leading Innovation and Entrepreneurship Team in Zhejiang Province(2021R01020);the Key Research and Development Program of Hubei Province(2021BAA057);Science and Technology Program of Guangxi Province(AA22068080);the 111 Project.
The mechanical properties of the sample and the stability of retained austenite were studied by designing two kinds of ultra-fine bainitic steel with different heat treatment methods austempering above and below Ms(ma...
support from National Key Research and Development Program of China(No.2019YFA0209900);National Natural Science Foundation of China(No.52130102);Research Grants Council of Hong Kong(No.R7066–18);Guangzhou Municipal Science and Technology Project(No.202007020007);Guangdong Basic and Applied Basic Research Foundation of China(No.2020B1515130007);support from National Natural Science Foundation of China(No.52130110);support from National Natural Science Foundation of China(No.52271116);Hong Kong Scholars Program(No.XJ2019029).
Bainite transformation has yet to be utilized and even thoroughly studied in medium Mn steels.Here,we investigate the isothermal bainite transformation in a 10Mn steel at 450°C experimentally and theoretically,focusi...
financially supported by the Fundamental Research Funds for the Central Universities (No. 2019JBZ103)。
The problem of insufficient hardenability in general large-size parts always occurs in product manufacturing because of their large size,etc.It is restricted mainly by its own alloy composition with micro-alloy and ke...
supported by the National Key R&D Program of China (Grant No.2017YFB0304503);the Science and Technology Research and Development Program of CHINA RAILWAY (Grant No.K2018G020).
Purpose-In order to develop high-strength,high-toughness and high-wear-resistance rails suitable for the development and application of heavy-haul railways.Design/methodology/approach-Based on the trial production of ...
supported by the National Natural Science Foun-dation of China (No.U1964204).
In the automobile industry,stamping and paint baking processes are used to strengthen components,and this not only saves costs,but also further reduces the bodyweight of automobiles.In this work,the bake hardening mec...
the National Key R&D Program of China(No.2021YFB3702401);Major Program of the National Natural Science Foundation of China(No.52293394);the National Natural Science Foundation of China(Nos.U1564203,51571141 and 51201105).
A microstructure composed of martensite matrix,lower bainite,and stable film-like austenite was designed by a quenching and isothermal bainitic holding process in a 0.30C–2.69Mn–1.71Si(wt.%)steel.The yield strength,...
Bainite microstructures have become increasingly attractive for the development of advanced high-strength steel owing to their balanced strength-plasticity properties.In this study, the final microstructure and mechan...
Bainite, the main microstructure of ultrahigh-strength complex-phase(CP) sheet steel, usually exhibits various micro-morphologies when subjected to different austempering treatments.In the current study, conventional ...
support of the Natural Science Foundation of Shanxi Province,China(Nos.201901D111105,201901D111114).
The austempering above and below martensite transition temperature(M_(s))was employed in a medium-carbon low-alloy 40CrNiMo steel,and the bainite and martensite multiphase microstructures with different volume fractio...