Evaluation of the nucleation and coarsening kinetic behavior of the secondary hardening carbide of Fe-HCo-10Ni-1Mo-0.16C steel at two chromium levels, using an analytical and modeling approach: Part II
The effect of 1 % Cr addition on the resistivity during preaging and peak aging of an AF1410 based steel was examined by analytical and modeling approaches. The increased kinetics of aging resulting from a chromium addition, due to a variety of complex microstructural changes,was analyzed by Avrami-...
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Veröffentlicht in: | Journal of materials engineering and performance 1997-06, Vol.6 (3), p.289-296 |
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creator | Oh, Y. Machmeier, P. M. Matuszewski, T. Ayer, R. |
description | The effect of 1 % Cr addition on the resistivity during preaging and peak aging of an AF1410 based steel was examined by analytical and modeling approaches. The increased kinetics of aging resulting from a chromium addition, due to a variety of complex microstructural changes,was analyzed by Avrami-Mehl and Wert-Zener formulations, which were modified so that the exponent was a function of time. Using a eneralized Avrami equation, it was shown that the nucleation rate, N(t), at short aging times was large but became a rapidly declining function as N(t) approaches zero in a supersaturated system. A mathematical solution, using AF1410 steel carbide growth data at 510 degree C, confirmed reported experimental evidence of second-stage carbide nucleation at 1 to 2 h. |
doi_str_mv | 10.1007/s11665-997-0092-2 |
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Using a eneralized Avrami equation, it was shown that the nucleation rate, N(t), at short aging times was large but became a rapidly declining function as N(t) approaches zero in a supersaturated system. A mathematical solution, using AF1410 steel carbide growth data at 510 degree C, confirmed reported experimental evidence of second-stage carbide nucleation at 1 to 2 h.</description><subject>Carbides</subject><subject>Chromium</subject><subject>Chromium carbide</subject><subject>Materials engineering</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Nucleation</subject><subject>Steels</subject><issn>1059-9495</issn><issn>1544-1024</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNo1UU1v1TAQjCoqUQo_gJtvvWCwHdupe0NPLX1S-TjA2do4m8bgxA87eVV_Yv9VnQZOu9qd2RntVNV7zj5yxppPmXOtFTWmoYwZQcVJdcaVlJQzIV-VnilDjTTqdfUm59-scISQZ9XT9RHCArOPE4k9mQck0-ICbhOYOuIipIyTn-7JHz_h7B1pcYCjj-k_I6OLUwfpkQyQug3rILW-wxVyg_R2F4uTb57yr5EWy3pH8owYCMxkfojEDSmOfhlJwCOG_IEseT0CqwUIj0UUwoubMXYYXlaHQ4rghivyA9JM9vu31WkPIeO7f_W8-nVz_XN3S---f9nvPt9Rx4UwFPpLjjVrjGCXfc2d6UH1WjeNUpJz5lotJQeNbceFblTndF1ja1qNTDuhZH1eXWx3i_7fBfNsR58dhgATxiVbw42ptRGmIPmGdCnmnLC3h-TH8ibLmV1Ts1tqtqRm19SsqJ8BAx2L4w</recordid><startdate>199706</startdate><enddate>199706</enddate><creator>Oh, Y.</creator><creator>Machmeier, P. 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subjects | Carbides Chromium Chromium carbide Materials engineering Mathematical analysis Mathematical models Nucleation Steels |
title | Evaluation of the nucleation and coarsening kinetic behavior of the secondary hardening carbide of Fe-HCo-10Ni-1Mo-0.16C steel at two chromium levels, using an analytical and modeling approach: Part II |
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