Acta Metall Sin  1996, Vol. 32 Issue (9): 897-903    DOI:

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BAINITIC TRANSFORMATIONS IN SILICON-CONTAINING STEELS

KANG Mokuang; YANG Yanqing; ZHANG Xiyan; SUN Jialin; JIA Husheng; WU Hiaolei (Northwestern Polytechnical University; Xi'an 710072)

KANG Mokuang; YANG Yanqing; ZHANG Xiyan; SUN Jialin; JIA Husheng; WU Hiaolei (Northwestern Polytechnical University; Xi'an 710072). BAINITIC TRANSFORMATIONS IN SILICON-CONTAINING STEELS. Acta Metall Sin, 1996, 32(9): 897-903.

Abstract References Related Articles Recommended Metrics Download:  PDF(569KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The meta-bainite which is composed of bainitic ferrite(BF) and retained austenite(A_R) was obtained in silicon-containing steels held in the temperature range of bainite formation for a short time. It was confirmed that BF is supersatuated with carbon by the facts that Spinodal decomposition occurs in BF and that the quantitative data of carbon content in BF was obtained by a new equation based on the X-ray diffraction data. The dislocation loops at BF/A_R boundary, which is very similar to that of lath martensite, and stacking faults in A_R and twins in BF were found by TEM. Based on the results, a three-dimensional model of hainite shear formation controlled by diffusion of carbon was suggested. Key words:  silicon-containing steel      bainite      phase transformation      carbon content      interfacial dislocation      Received:  18 September 1996      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/Y1996/V32/I9/897 1DavenportDS,BainCB．TMSAIVE,1930;90:1172KoT,CottrelSA．JIronSteelInst,1952;173:3073AaronsonHI．In:AaronsonHIed．,DecompositionofAustenitebyDiffusionalProcesses．NewYork:Intersciences,1962:3874HehemannRF,KinsmanKR,AaronsonHI．MetallTrans,1972;5A:10775CohenM．MetallTrans,1990;21A:767,13436WaymanCM,AaronsonHI,HirthJP．MetallMaterTrans,1994;25A:1787,25557KangMK(康沫狂),SunJL(孙加林),YangQM(杨全民),MetallTrans．1990;21A:8538NagaknraS,HirotsoY,KusunokiM,SuzukiJ,NagakuraYMetallTrans,1983,14A:10259LiuX(刘晓),ZhongF(钟凡),KangMK(康沫狂)．PhysRev,1995;B52:inpress10YangYQ(杨延清),KangMK(康沫狂),ZhouZG(周振刚)．ProcIstPacificRimIntConfonAdvancedMaterialsandProcessing,TMS,1993:46911RigsbeeTM,AaronsonHI．ActaMelall,1979;27:35112李承基．材料科学进展,1988;3:7513张喜燕．西北工业大学博士学位论文,199414SandvikBPJ,WaymanCM．MetallTrans,1983;14A:82315SandvikBPJ．MetallTrans,1982;13A:78416孙加林,康沫狂．金属学报,1991;27:A23217WuXL(武小雷),ZhangXY(张喜燕),KangMK(康沫狂),YangYQ(杨延清)．MaterTransJIM,1994;35:78218FriedelJ著,王煜译．位错．北京:科学出版社,1984:5519魏秋明,西北工业大学博士学位论文,1991 [1] BAI Jiaming, LIU Jiantao, JIA Jian, ZHANG Yiwen. 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