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 ...
the Natural Science Foundation-Steel and Iron Foundation of Hebei Province(No.E2021203051);the Hundred Outstanding Creative Talents Projects in Universities of Hebei Province,China,and the Project Program of Heavy Machinery Collaborative Innovation Center,China.
In this paper,low-and high-strength lath martensite(350 and 640 HV)was fabricated in an IF steel via high pressure martensitic transformation.The microstructure and the softening during their tempering from 200°C to ...
This work was financially supported by the National Natural Science Foundation of China(Nos.51605355 and 52104381);the National Key R&D Program of China(No.2020YFA0714900);“111 Project”(No.B17034);the Innovative Research TeamDevelopment Program of Ministry of Education of China(No.IRT_17R83);the China Postdoctoral Science Foundation(No.2021M702539)and the State Key Laboratory for Advanced Metals and Materials.
Quantitative prediction of phase content is of great importance to control and optimize the heat treat-ment process of steels.In this work,a model for predicting the phase content of tempered high carbon steels was pr...
the Shenzhen-Hong Kong Science and Technology Innovation Cooperation Zone Shenzhen Park Project(No.HZQB-KCZYB-2020030);National Key R&D Program of China(No.2017YFA0204403);financial support from the National Natural Science Foundation of China(Nos.51771114 and 51371117)。
1.Introduction As typical 3rd generation advanced high strength steels(AHSSs),quenching and partitioning(Q&P)steel has attracted lots of attention for excellent performance in strength-ductility[1–5].With absorbing c...
supported financially by the National Natural Science Foundation of China (Nos. 51874081 and 51574063);the Fundamental Research Funds for the Central Universities (Nos. N152306001 and N150204012)
The microstructure, precipitation and mechanical properties of Ferrium S53 steel, a secondary hardening ultrahigh-strength stainless steel with 10% Cr developed by QuesTek Innovations LLC, upon tem pering were studied...
supported by National Natural Science Foundation of China (Grant Nos. 51565041, 51465044 and 51323008);the National Key Research and Development Program of China (No. 2016YFB1100100);the fund of the State Key Laboratory of Solidification Processing in NWPU (No. SKLSP201634)
Because of the excellent mechanical properties of 34 CrNiMo6 steel, it is widely used in high-value components. Many conventional approaches to strengthening-steels typically involve the loss of useful ductility.In th...
financial support from the National Natural Science Foundation of China (No.51201162);the Youth Innovation Foundation from Institute of Metal Research, Chinese Academy of Sciences
A heat treatment process, quenching-tempering-partitioning (Q-T-P), has been applied to a low carbon martensitic stainless steel 06Crl3Ni4Mo. By using this process, ultrafine reversed austenite can be obtained at ro...
financially supported by the National Natural Science Foundation of China (No.51301012)
We obtained a good combination of strength and ductility in a 0.4C-2.0Mn-1.7Si-0.4Cr(wt%) steel,namely,;.7 GPa of ultimate tensile strength and;6% of elongation,by conducting a Q-P-T(quenching-partitioning- temper...
supported by the National Natural Science Foundation of China(Nos.51031001 and 51071101)
The present investigation on a designed high strength Fe-0.25C-1.48Mn-1.20Si-1.51Ni-0.05Nb (wt%) steel treated by a novel quenching-partitioning-tempering (Q-P-T) process was focused on deformation temperature dep...
In this paper, microstructure and mechanical properties of welding metals in 610 MPa high strength low alloy (HSLA) were studied after high-heat-input welding. Both the base material and the weld joint proved excell...