Errata: The time-temperature-transformation diagram within the medium temperature range in some alloy steels
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Fig. 2 - - T T T diagrams of the middle temperature range of some alloy steels: (a) 15CrMnMoV steel austenitized at 1243 K; (b) 18Cr2Ni4W steel austenitized at 1173 K; (c) 40CrMnSiMoV steel austenitized at 1193K; (d) 30CrMnSiNi2 steel austenitized at 1133 K; (e) GCrl5 steel austenitized at 1223 K; and (f) 9CrSi steel anstenitized at 1193 K. (Gs, granular structure; Bu upper balnite; and BL, lower bainite). 2946--VOLUME 23A, OCTOBER 1992
METALLURGICAL TRANSACTIONS A
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Fig. 3 - - T h e morphologies of the products corresponding to the points indicated in Fig. 2(a): (a) bright-field image of TEM at 663 K for an isothermal hold of 6 s; (b) optical microstructure at point (1), holding for 200 s at 783 K, granular structure, Gs; (c) optical microstructure at
point (2), holding for 15 s at 723 K, granular bainite, Bg; (d) bright-field image of TEM at point (2), holding for 20 s at 723 K, typical upper bainite, Bu; (e) bright-field image of TEM at point (3), holding for 10 s at 663 K, typical lower balnite, BL; (f) optical microstmcture at point (4), holding for 2 h at 783 K, composite of granular structure and granular bainite; (g) bright-field image of TEM at point (5), holding for 800 s at 663 K, composite of typical lower bainite and typical upper bainite; (h) bright-field image of TEM at point (6), holding for 3600 s at 573 K, typical lower bainite.
METALLURGICAL TRANSACTIONS A
VOLUME 23A, OCTOBER 1992--2947
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