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Microstructure and mechanical properties of P265GH cast steel after modification with TiCN particles
Graphical abstract Display Omitted Research highlights ► Microstructure-properties control of cast steels is possible via TiCN particles. ► Ferrite grain size decreases ∼50–60% after modification with 0.1–0.2% TiCN. ► After modification with TiCN hardness increases up to 62% and elongation up to 19%. ► The above effects could be improved by improving particles distribution in the melt.
Abstract Particles of TiCN and TiC were produced by means of self-spreading high temperature synthesis and after covering with metal protector were studied in order to be applied for modification of molten steel. After microstructure characterization the TiCN nano- and micron-sized particles were selected for modification of castings of P265GH steel and the microstructure and mechanical properties of the modified steel were studied and compared with those of the steel without modification. The data from microstructure-properties analysis of the modified steel showed that the steel treated with nano- and micro-sized particles has significantly refined microstructure, increased strength and hardness and improved elongation in comparison with the non-modified castings.
Microstructure and mechanical properties of P265GH cast steel after modification with TiCN particles
Graphical abstract Display Omitted Research highlights ► Microstructure-properties control of cast steels is possible via TiCN particles. ► Ferrite grain size decreases ∼50–60% after modification with 0.1–0.2% TiCN. ► After modification with TiCN hardness increases up to 62% and elongation up to 19%. ► The above effects could be improved by improving particles distribution in the melt.
Abstract Particles of TiCN and TiC were produced by means of self-spreading high temperature synthesis and after covering with metal protector were studied in order to be applied for modification of molten steel. After microstructure characterization the TiCN nano- and micron-sized particles were selected for modification of castings of P265GH steel and the microstructure and mechanical properties of the modified steel were studied and compared with those of the steel without modification. The data from microstructure-properties analysis of the modified steel showed that the steel treated with nano- and micro-sized particles has significantly refined microstructure, increased strength and hardness and improved elongation in comparison with the non-modified castings.
Microstructure and mechanical properties of P265GH cast steel after modification with TiCN particles
Lazarova, R. (author) / Petrov, R.H. (author) / Gaydarova, V. (author) / Davidkov, A. (author) / Alexeev, A. (author) / Manchev, M. (author) / Manolov, V. (author)
2011-01-07
8 pages
Article (Journal)
Electronic Resource
English
Microstructure and mechanical properties of P265GH cast steel after modification with TiCN particles
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