INVESTIGATION ON LATER STAGE OF INTERMEDIATE TRANSFORMATION IN Fe-C-Mo ALLOYS

Abstract

Abstract: The transformation process and the products of long term isothermal transformation around the kinetic B_s temperature(the bay temperature in TTT diagram)in Fe-C-Mo alloys have been investigated.It was found that,at the final stage of intermediate transformation,a kind of granular structure formed accompanying the growth of bainitic ferrite.In comparison with the carbide Mo_2C in the bainitic ferrite plates or blocks,the carbide m granular eutectoid has been determined to be cementite containing a tiny bit of molvbdenum,(Fe,Mo)_3C.

Key words: allot Fe-C-Mo, intermediate transformation, kinetics, bainite transformation

XU Qikun WANG Dongya Chongqing University,Chongqing,China XU Qikun,Dept.of Metallurgy and Materials Engineering,Chongqing University,Chongqing,Sichuan,China. INVESTIGATION ON LATER STAGE OF INTERMEDIATE TRANSFORMATION IN Fe-C-Mo ALLOYS[J]. Acta Metallurgica Sinica (English Letters), 1989, 2(1): 22-27.

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INVESTIGATION ON LATER STAGE OF INTERMEDIATE TRANSFORMATION IN Fe-C-Mo ALLOYS

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