support from funded project:Key Industrial R&D Projects of Chongqing Technology Innovation and Application Demonstration (cstc2020jscx-dxwtBX0023)。
The iron content is one of the most critical parameters affecting the microstructure and mechanical properties of recycled aluminum alloy.This study aimed to compare the microstructure and tensile properties of alloys...
Funded by the Key Industry Innovation Chain(Group)Project of Shaanxi Province,China(No.2019ZDLGY 04-04);the Project of Yulin Science and Technology Bureau(No.2023-CXY-197)。
Fe(Al,Ta)/Fe_(2)Ta(Al)eutectic composites with solidification rates of 6,20,30,and 80μm/s were prepared by a modified Bridgman directional solidification technology.The coarse Fe_(2)Ta(Al)Laves phase was precipitated...
supported by the National Natural Science Foundation of China(Nos.52074228,52305420 and 51875470);the Practice and Innovation Funds for Graduate Students of Northwestern Polytechnical University,China(No.PF2024053);the Xi’an Beilin District Science and Technology Planning Project,China(No.GX2349).
The pre-weld heat treatment was carried out to obtain different initial microstructures of the GH4169 superalloy,and then Linear Friction Welding(LFW)was performed.The effect of the pre-weld heat treatment on the micr...
The precipitation of secondary Laves phases and its effect on notch sensitivity are systematically studied in Thermo-Span alloy. The results show that the precipitation peak temperature of secondary Laves phases is 9...
support from the National Natural Science Foundation of China(No.52174351).
The failure analysis was conducted on unqualified torsion bar spring in automobile suspension system used for light vehicles during engine test.The effects of through hardening,surface induction hardening,quenching an...
supported by the National Science and Technology Major Project of China(2017-VI-0018-0090).
Isothermal compression tests were used to establish constitutive models of the hot deformation of GH4742 superalloy. The microstructural evolution of double cone samples with large strain gradients during hot deformat...
Heat treatment processes, such as annealing and quenching, are crucial in determining residual stress evolution, microstructural changes and mechanical properties of metallic materials, with residual stresses playing ...
supported by the National Natural Sci-ence Foundation of China[No.51564032];Yunnan Provin-cial Department of Education Science Research Fund Project[KKPH202132005];the Analysis and Testing Founda-tion of Kunming University of Science and Technology[2022M20212130086].
The performances of magnesium alloys remain insufficient to further enhance the application potential of ultralight magnesium alloys.In this work,a Mg-8Li-3Y-2Zn alloy was prepared through vacuum melting and subsequent...
National Natural Science Foundation of China(Nos.52301041,52022017,52065009,52371005);Special Fund for Special Posts of Guizhou University,China(No.[2023]26);Science and Technology Planning Project of Guizhou Province,China(No.ZK2021269);Fundamental Research Funds for the Central Universities,China(No.DUT23YG104)。
Microstructural characterization,mass loss tests,hydrogen evolution tests,electrochemical measurements,and corrosion morphology observations were conducted to investigate the effect of the secondary phases on the corr...
Heat treatments play a crucial role in enhancing the mechanical properties of AZ91 Mg alloy by dissolving coarse phases during solution treatment and promoting precipitation during aging.However,non-uniform microstruc...