利用Ludwigson模型研究了两种氮含量不同的无镍奥氏体不锈钢18Cr-12Mn-0.55N(质量分数/%)和18Cr-18Mn-0.63N在室温快速拉伸时的塑性流变行为.结果表明,由于N含量的增大,实验钢18Cr-18Mn-0.63N的加工硬化能力明显强于实验钢18Cr-12Mn-0.55N.N促进CrMnN奥氏体不锈钢中的短程有序,使位错在更高的应变水平进行单系滑移和平面滑移,推迟位错的多系滑移和交滑移,因而提高CrMnN奥氏体不锈钢的加工硬化能力.
参考文献
| [1] | 刘树勋,刘宪民,刘蕤,王春旭,邢峰.0Cr21Ni6Mn9N奥氏体不锈钢的应变强化行为[J].钢铁研究学报,2005(04):40-44. |
| [2] | J.W.SIMMONS .STRAIN HARDENING AND PLASTIC FLOW PROPERTIES OF NITROGEN-ALLOYED Fe-17Cr-(8-10)Mn-5Ni AUSTENITIC STAINLESS STEELS[J].Acta materialia,1997(6):2467-2475. |
| [3] | G. Saller;K. Spiradek-Hahn;C. Scheu;H. Clemens .Microstructural evolution of Cr-Mn-N austenitic steels during cold work hardening[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1/2):246-254. |
| [4] | Y.-S. Kim;S. M. Nam;S.-J. Kim .Strain rate dependence of deformation behavior of high-nitrogen austenitic steels[J].Journal of Materials Processing Technology,2007(0):575-577. |
| [5] | Meyers M A.Dynamical behavior of materials[M].New York:John Weley & Sons Inc,1994 |
| [6] | 李慧,高灵清,孙建科.10Ni5CrMoV船体钢拉伸性能的高应变速率效应[J].钢铁,2007(12):77-80. |
| [7] | Ludwigson D C .Modified stress strain relation for FCC metals and alloys[J].Metallurgical and Materials Transactions,2(10):2825-2828. |
| [8] | Soussan A;Degallaix S .Work hardening behavior of nitrogen alloyed austenitic stainless steels[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1991,142(02):169-176. |
| [9] | 程晓农.戴起勋奥氏体钢设计与控制[M].北京:国防工业出版社,2005 |
| [10] | 徐明舟,王立军,王建军,刘春明.18%Cr-12%Mn-0.55%N高氮奥氏体不锈钢低温性能与组织稳定性[J].东北大学学报（自然科学版）,2010(01):47-50,55. |
| [11] | Balanyuk A.G.;Gavriljuk V.G. .MOSSBAUER STUDY AND THERMODYNAMIC MODELING OF Fe-C-N ALLOY[J].Acta materialia,2000(15):3813-3821. |
| [12] | Müllner P;Solenthaler C;Uggowitzer P et al.On the effectof nitrogen on the dislocation structure of austenitic stainless steel[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1993,164(1-2):164-169. |
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