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A platform for research: civil engineering, architecture and urbanism
Development of hot-rolled dual-phase weathering steel Cu–P–Cr–Ni–Mo
AbstractThe continuous cooling transformation (CCT) diagrams of weathering steels Cu–P–Cr–Ni–Mo were constructed by means of a combined method of dilatometry and metallography. The diagram of weathering steel with 0.41% Mo exhibits an elongated polygonal ferrite C-curve with a delayed pearlite-start, and a metastable austenite gap between the polygonal ferrite/pearlite and the bainitic ferrite regions. Weathering steel with 0.41% Mo is possible to obtain a dual-phase microstructure directly by hot-rolling and appropriate cooling. Dual-phase microstructures with some bainite and pearlite have been obtained by hot-rolled simulating on hot-rolled dual-phase treatment procedures deduced by the CCT diagram. Hot-rolled dual-phase weathering steel with 0.41% Mo has more excellent comprehensive mechanical properties and formability than commercial weathering steel 09CuPCrNi.
Development of hot-rolled dual-phase weathering steel Cu–P–Cr–Ni–Mo
AbstractThe continuous cooling transformation (CCT) diagrams of weathering steels Cu–P–Cr–Ni–Mo were constructed by means of a combined method of dilatometry and metallography. The diagram of weathering steel with 0.41% Mo exhibits an elongated polygonal ferrite C-curve with a delayed pearlite-start, and a metastable austenite gap between the polygonal ferrite/pearlite and the bainitic ferrite regions. Weathering steel with 0.41% Mo is possible to obtain a dual-phase microstructure directly by hot-rolling and appropriate cooling. Dual-phase microstructures with some bainite and pearlite have been obtained by hot-rolled simulating on hot-rolled dual-phase treatment procedures deduced by the CCT diagram. Hot-rolled dual-phase weathering steel with 0.41% Mo has more excellent comprehensive mechanical properties and formability than commercial weathering steel 09CuPCrNi.
Development of hot-rolled dual-phase weathering steel Cu–P–Cr–Ni–Mo
Zhang, Chunling (author) / Liao, Bo (author) / Cai, Dayong (author) / Zhao, Tianchen (author) / Fan, Yunchang (author)
2006-05-10
7 pages
Article (Journal)
Electronic Resource
English
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