Search Results - "Cao, W.Q."

Austenite stability and deformation-induced transformation mechanism in cold-rolled medium-Mn steel by Zhou, T.P., Wang, C.Y., Wang, C., Cao, W.Q., Chen, Z.J.

“…The austenite stability and tensile properties of intercritically annealed samples of cold-rolled medium-Mn steel (0.15C–5Mn-1.1Al) were investigated. The…”
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Characterization of microstructure obtained by quenching and partitioning process in low alloy martensitic steel by Wang, C.Y., Shi, J., Cao, W.Q., Dong, H.

“…Microstructure of low alloy martensitic steel treated by quenching and partitioning (Q&P) process was characterized by means of SEM, TEM, EBSD and XRD…”
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Microstructure and mechanical properties of Fe–0.2C–5Mn steel processed by ART-annealing by Cao, W.Q., Wang, C., Shi, J., Wang, M.Q., Hui, W.J., Dong, H.

“…► Medium manganese steel. ► Intercritical annealing treatment. ► Large fractioned austenite. ► Excellent mechanical properties. ► Enhanced TRIP effects…”
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Nanoindentation investigation on the mechanical stability of individual austenite grains in a medium-Mn transformation-induced plasticity steel by He, B.B., Huang, M.X., Liang, Z.Y., Ngan, A.H.W., Luo, H.W., Shi, J., Cao, W.Q., Dong, H.

“…Bright-field TEM image showing martensitic transformation of a retained austenite grain subjected to nanoindentation (α′: martensite, γ: austenite). The…”
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Intercritical rolling induced ultrafine microstructure and excellent mechanical properties of the medium-Mn steel by Zhang, R., Cao, W.Q., Peng, Z.J., Shi, J., Dong, H., Huang, C.X.

“…The medium manganese steel (0.2C5Mn) was first intercritically annealed and then intercritically rolled up to thickness reduction of 77.5%. It was found that…”
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Heat treatment effects on the microstructure and mechanical properties of a medium manganese steel (0.2C–5Mn) by Xu, H.F., Zhao, J., Cao, W.Q., Shi, J., Wang, C.Y., Wang, C., Li, J., Dong, H.

“…► Substantially improved mechanical properties of 0.2C–5Mn steels. ► Intercritical austenization followed by short time annealing. ► Phase transformation…”
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TiC precipitation induced effect on microstructure and mechanical properties in low carbon medium manganese steel by Han, Y., Shi, J., Xu, L., Cao, W.Q., Dong, H.

“…► TiC mainly precipitates during the tempering and reheating-quenching process. ► TiC precipitation can induce the grain refinement after reheating-quenching…”
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Microstructure and mechanical properties of high strength and high toughness micro-laminated dual phase steels by Zhang, M.D., Hu, J., Cao, W.Q., Dong, H.

“…A series of steels with the micro-laminated dual phase microstructure were produced by hot rolling and air cooling processes in this study. Different volume…”
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Effects of Ti addition and reheating quenching on grain refinement and mechanical properties in low carbon medium manganese martensitic steel by Han, Y., Shi, J., Xu, L., Cao, W.Q., Dong, H.

“…► TiC precipitation can induce the grain refinement after reheating–quenching process. ► EGS refinement is more effective to explain the improvement of…”
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Stored energy, vacancies and thermal stability of ultra-fine grained copper by Cao, W.Q., Gu, C.F., Pereloma, E.V., Davies, C.H.J.

“…The stored energy and thermal stability of oxygen-free high conductivity copper processed by equal channel angular pressing up to 16 passes at room temperature…”
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Stored Energy in Nickel Cold Rolled to Large Strains, Measured by Calorimetry and Evaluated from the Microstructure by Knudsen, T., Cao, W.Q., Godfrey, A., Liu, Q., Hansen, N.

“…High-purity polycrystalline nickel (99.99 pct purity) was cold rolled to equivalent von Mises strains from 1.4 to 4.5 (70 to 98 pct reduction in thickness)…”
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Annealing Behavior of Nanostructured Aluminum Produced by Cold Rolling to Ultrahigh Strains by Cao, W.Q., Godfrey, A., Hansen, N., Liu, Q.

“…The isochronal annealing behavior of nanostructured commercial purity aluminum (AA1100 and AA1200) produced by either cold rolling (CR) or accumulative roll…”
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EBSP study of the annealing behavior of aluminum deformed by equal channel angular processing by Cao, W.Q., Godfrey, A., Liu, W., Liu, Q.

“…Commercial purity aluminum (99.5%) was fabricated by equal channel angular pressing (ECAP) up to total accumulated strains of approx. 10. The annealing…”
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Flow stress and microstructure of the cold-rolled IF-steel by Li, B.L., Cao, W.Q., Liu, Q., Liu, W.

“…The dependence of flow stress (measured by tensile experiment) on the microstructure is discussed based on the Hall–Petch (H–P) relationship in…”
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Intragranular brittle precipitates improve strain hardening capability of Fe–30Mn–11Al–1.2C low-density steel by Ren, P., Chen, X.P., Mei, L., Nie, Y.Y., Cao, W.Q., Liu, Q.

“…A strategy was developed to circumvent the trade-off between the yield strength and strain hardening capability in Fe–30Mn–11Al–1.2C low-density steel by…”
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Evolution of microstructure, texture and mechanical properties of Fe–30Mn–11Al–1.2C low-density steel during cold rolling by Ren, P., Chen, X.P., Wang, C.Y., Zhou, Y.X., Cao, W.Q., Liu, Q.

“…In the past decades, the microstructure and properties of tensile deformed high Mn–Al–C lightweight steels were extensively studied due to their excellent…”
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Ultrastrong and ductile austenitic lightweight steel via ultra-fine grains and heterogeneous B2 precipitates by An, Y.F., Chen, X.P., Ren, P., Cao, W.Q.

“…Ultrastrong and ductile lightweight materials are urgently needed, given the pressing demand for a broad range of structural materials characterized by energy…”
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Precipitation transformation pathway and mechanical behavior of nanoprecipitation strengthened Fe–Mn–Al–C–Ni austenitic low-density steel by An, Y.F., Chen, X.P., Mei, L., Ren, P., Wei, D., Cao, W.Q.

“…•The detailed precipitation sequence of κ′-carbides and B2 particles in Fe–28Mn–11Al–1C–5Ni (wt%) austenite low-density steel at different isothermal aging…”
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Effect of early stage of κ-carbides precipitation on tensile properties and deformation mechanism in high Mn–Al–C austenitic low-density steel by Ren, P., Chen, X.P., Yang, M.J., Liu, S.M., Cao, W.Q.

“…High Mn–Al–C austenitic low-density steels possess the great combination of strength and ductility due to their excellent strain hardening capability. At…”
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Influence of multiple quenching treatment on microstructure and tensile property of AISI M50 steel by Cui, Y., Zhang, Y.F., Yu, F., Wang, Y., Zhao, Y.L., Cao, W.Q.

“…•Multiple quenching treatment is conducted to AISI M50 bearing steel.•Quenching number influences the microstructure as well as the tensile property.•AISI M50…”
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