Acta Metall Sin  1994, Vol. 30 Issue (5): 210-216    DOI:

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HIGH TEMPERATURE INTERNAL FRICTION FOR Fe-Nb-C ALLOYS

JI Jingwen;SUN Yujie;LIU Yanmei(Northeastern University; Shenyang)(Manuscript received 7 September; 1993; in revised form 10 December;1993)

JI Jingwen;SUN Yujie;LIU Yanmei(Northeastern University; Shenyang)(Manuscript received 7 September; 1993; in revised form 10 December;1993). HIGH TEMPERATURE INTERNAL FRICTION FOR Fe-Nb-C ALLOYS. Acta Metall Sin, 1994, 30(5): 210-216.

Abstract References Related Articles Recommended Metrics Download:  PDF(505KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The internal friction at 400-850℃ in high-pure Fe-Nb-C alloys has been measured, and a large stress-dependent magnetomechanical hysteresis damping peak of which the peak temperature varies from 666 to 740℃ as strain amplitude changes was discovered. The conditions of the peak appearing and disappearing, some characters of the peak and the effect of some factors such as ascending and descending temperature, frequency,amplitude, defoimation and annealing etc. on the peak have also been studied. The method to determine the internal stress σst and σi obstructing Barkhausen jumps of domains by internal friction experiment and the physical mechanism producing the magnetomechanical hysteresis damping-temperaturepeak in the alloy were proposed. Correspondent: JI Jingwen,Department of Physics, Northeastern University, Shenyang 110006 Key words:  internal friction      Fe-Nb-C alloy.      Received:  18 May 1994      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/Y1994/V30/I5/210 1TS．TransAIME,1948;176:4482景文．物理,1993;22:2083景文,樊文杰,吴玉琴,王辉．东北工学院学报,1991;12:1784景文,赵增祺,贺礼端,耿殿奇．物理学报1985;34:16205BelovKP,KatayevGI,LevitinRI．JApplPhys,1960;31:153561991;7:19371974;40:748WalfeadenA．ScrMetall,1978;12:1039RobertsJTA,BarrandP．ActaMetall,1967;15:168510RobertsJTA,BarrandP．ActaMetall,1969;17:75711DeBatistR．InternalFrictionofStructureDefectsinCrystallineSolids,North-Holland,etc,197212CallerHB．PhysRev,1963;132:99113SmithGH,BirchakJR．JApplPhys,1970;41:331514CochardtA．TransASME,1953;753:;A19615FisechbachDB．ActaMetall,1962;10:319 [1] LI Weijuan, ZHANG Hengyi, FU Hao, ZHANG Jianping, QI Xiangyu. 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