Acta Metall Sin  1998, Vol. 34 Issue (3): 225-231    DOI:

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INVESTIGATION OF THE ULTRA-FINE STRUCTURE OF SURFACE RELIEF EFFECTS ASSOCIATED WITH BAINITE IN AN Fe-C-Si-Mn ALLOY

BO Xiangzheng; FANG Hongsheng; WANG Jinjun; HUANG Weigang; ZHANG Boqing (Department of Materials Science and Engineering; Tsinghua University; Beijing 100084)

BO Xiangzheng; FANG Hongsheng; WANG Jinjun; HUANG Weigang; ZHANG Boqing (Department of Materials Science and Engineering; Tsinghua University; Beijing 100084). INVESTIGATION OF THE ULTRA-FINE STRUCTURE OF SURFACE RELIEF EFFECTS ASSOCIATED WITH BAINITE IN AN Fe-C-Si-Mn ALLOY. Acta Metall Sin, 1998, 34(3): 225-231.

Abstract References Related Articles Recommended Metrics Download:  PDF(2603KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Surface relief caused by the formation of lower bainite in an Fe-C-Si-Mn alloy has been investigated by STM. It was discovered that the subunit which is the lowest structural unit observed by TEM is actually made up of sub-subunits. The surface relief due to the formation of sub-subunit is tent-shaped, and of a non-IPS type, which indicates that the sub-subunit cannot be formed by shear. The height of relief is 60-140nm, and the maximum shape deformation is ca. 0.23. The multi-layer structure of bainite and the effect of carbon and silicon on the fine structure of bainite can be interpreted by sympathetic nucleation-ledgewise growth mechanism. Key words:  STM      surface relief      sub-subunit      sympathetic nucleation-ledgewise growth      Received:  18 March 1998      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1998/V34/I3/225 1 Swallow E, Bhadeshia H K D H. Mate, Sci TechnoI, 1996; 12: 121 2 Ko T, Cottrell S A. J Iron Steel Inst, 1952; 172: 307 3 Ko T. J Iron Steel Inst, 1953; 175: 16 4 Srinivasan G R, Wayman C M. Acta Metall, 1968; 16: 609 5 Sandvik B P J. Metall Trans, l982; 13A: 789 6 Bilby B A, Christian J W. The Mechanism of Phase Transformation in Metals.London: Institute ofMetals, 1956: 121 7 Christian J W. Decooposition of Austenite by Diffusional Processes. New York: Interscience, 1962: 371 8 Clark H M, Wayman C M. Phase Transformations. Metals Park, Ohio: ASM, 1970: 59 9 Bhadeshia H K D H. Bainite in Steets. London: Institute of Materials, 1992: 51. 10 Laird C, Aaronson H I. 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[12] YIN Renhe; CAO Weimin; SHI Wenguang(Department of Chemistry; Shanghai University; Shanghai 201800)SUN Jielin(Institute of Nuclear Research; The Chinese Academy of Sciences; Shanghai 201800)MAO Bingwei; SUN Shigang(State Key Laboratory for Physics Chemistry of the Solid Surface; Xiamen University; Xiamen 361005)Correspondent: YIN Renhe; associate profsson Tel: (021)59532932-272; Fax: (021)59529932;E-mail: papayaly online. sh. ch. STUDY ON THE PROCESS OF COPPER ELECTRODEPOSITION ON PLATINUM (111)[J]. 金属学报, 1998, 34(8): 892-896. [13] BO Xiangzheng; FANG Hongsheng( Departmetn of Materials Science and Engineering; Tsinghua University; Beijing; 100084)Correspondent: BO Xiangzheng; Tel: (010)62782361; E-mail: fhs - dms tsinghua. edu. cn.. STUDY OF THE SURFACE RELIEF EFFECTS ASSOCIATED WITH GRAIN BOUNDARY ALLOTRIOMORPHS BY SCANNING TUNNELING MICROSCOPY[J]. 金属学报, 1998, 34(8): 807-812. [14] BO Xiangzheng; FANG Hongsheng; WANG Jiajun; WANG Zhenghua (Department of Materials Science and Engineering; Tsinghua University; Beijing 100084). STM STUDY ON THE SURFACE RELIEF EFFECTS ASSOCIATED WITH WIDMANSTATTEN FERRITE[J]. 金属学报, 1998, 34(4): 345-350. [15] BO Xiangzheng; XU Ning; FANG Hongsheng(Department of Materials Science and Engineering; Tsinghua University; Beijing 100084)Correspondent: BO Xiangzheng; Tel: (010)62782361; Fax: (010)62771160;E-mail. As -dms @m ailTsinghua. edu. cnManuscript received 1997-12-29; in revised form 1998-03-23. STM STUDY ON THE SURFACE RELIEF EFFECTS ASSOCIATED WITH WIDMANSTAT SAWTEETH[J]. 金属学报, 1998, 34(12): 1249-1254. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed