采用激光共焦扫描显微镜原位观察薄带连铸304不锈钢高温下碳化物的析出及溶解过程.结果表明,薄带连铸304不锈钢在600℃开始析出碳化物,首先从晶内析出,而后从晶界析出,碳化物析出量随温度升高逐渐增加,到900℃时,析出量最大;1 006℃时,碳化物开始溶解,1 049℃时,大部分碳化物迅速溶解,1 155℃时,碳化物完全分解溶入基体,其溶解过程为δ→M23C6+δ→γ.碳化物析出与薄带连铸铸带凝固组织及后续冷却过程有关.
参考文献
| [1] | 邸洪双.薄带连铸技术发展现状与展望[J].河南冶金,2005(01):3-7,47. |
| [2] | Shin Y K;Kang T;Reynolds T et al.Development of Twin Roll Strip Caster for Sheet Steel[J].Ironmaking and Steelmaking,1995,22(01):35-44. |
| [3] | A. Hunter;M. Ferry .Phase formation during solidification of AISI 304 austenitic stainless steel[J].Scripta materialia,2002(4):253-258. |
| [4] | Schubert Th;Loser W;Schinnerling S.不锈钢薄带连铸中选择相的形成[J].上海钢研,1998(03):27-32. |
| [5] | R. J. DIPPENAAR;D. J. PHELAN .Delta-Ferrite Recovery Structures in Low-Carbon Steels[J].Metallurgical and Materials Transactions, B. Process metallurgy and materials processing science,2003(5):495-501. |
| [6] | Cho JW.;Shibata H. .Effect of solidification of mold fluxes on the heat transfer in casting mold[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2001(1):110-117. |
| [7] | J. -H. KIM;S. -G. KIM;A. INOUE .IN SITU OBSERVATION OF SOLIDIFICATION BEHAVIOR IN UNDERCOOLED Pd-Cu-Ni-P ALLOY BY USING A CONFOCAL SCANNING LASER MICROSCOPE[J].Acta materialia,2001(4):615-622. |
| [8] | 李永全,Yun Li,R.J.Fruehan.高炉炉缸内碳氮化钛的生成机理研究[J].钢铁,2003(02):58-61. |
| [9] | Donald Peckner;Bernstein I M.不锈钢手册[M].北京:机械工业出版社,1987 |
| [10] | Kim SH.;Moon HK.;Kang T.;Lee CS. .Dissolution kinetics of delta ferrite in AISI 304 stainless steel produced by strip casting process[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):390-398. |
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