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1篇 您的检索式:作者名="Mark Kalashnikov"
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1Fine structure and phase composition of Fe–14Mn–1.2C steel:influence of a modified mixture based on refractory metals显示文摘The effect of TiO_2,ZrO_2 and Na_3AlF_6 ultrafine powders on the fine structure and the phase composition of Fe–14Mn–1.2C steel was investigated.The introduction of the ultrafine powders into the melt influenced the grain size,the quantity,and the character of distribution of nonmetallic inclusions in the railroad frogs.The microstructure of castings was improved significantly because of the refinement of the grain structure and an increase of the grain-boundary area.After the modifying mixture was introduced into the melt,either the microtwins of one or two intersecting systems or the precipitations of ε-martensite of different types,or simultaneously the microtwins and wafers of ε-martensite,were present in each grain.Anna Zykova Natalya Popova Mark Kalashnikov Irina Kurzina 2017International Journal of Minerals,Metallurgy and Materials2017,24,5:0
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