用X射线衍射技术研究了304奥氏体不锈钢变形诱发马氏体相变倾向对成分的敏感性.在液氮内的拉伸结果表明: C、Mn、Cr和Ni的含量从标准范围的上限降到下限,显著增大形变诱发马氏体相变倾向和形变强化能力,尤其是C、Mn、Cr和Ni的含量接近下限的钢在室温下拉伸形成ε马氏体和α'马氏体,其中α'马氏体快速形成使流变应力迅速上升;此外发现,在液氮温度下,变形早期ε马氏体与α'马氏体同时存在,α'马氏体的体积分数累积到约70%后,ε马氏体消失.
参考文献
| [1] | Andrade M S;Gomes O A;Vilela J M C et al.Formability Evaluation of Two Austenitic Stainless Steels[J].J of the Braz Soc of Mech Sci & Eng,2004,26(01):47-50. |
| [2] | Gonzalez BM.;Castro CSB.;Buono VTL.;Vilela JMC.;Andrade MS.;Moraes JMD.;Mantel MJ. .The influence of copper addition on the formability of AISI 304 stainless steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):51-56. |
| [3] | Llewellyn DT .Work hardening effects in austenitic stainless steels[J].Materials Science and Technology: MST: A publication of the Institute of Metals,1997(5):389-400. |
| [4] | Juho Talonen;Hannu Hanninen .Damping Properties of Austenitic Stainless Steels Containing Strain-Induced Martensite[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2004(8):2401-2406. |
| [5] | Bowkett M W;Keown S R;Harries D R .Quench-and Deformation-Induced Structures in Two Austenitic Stainless Steels[J].Metal Science Journal,1982,16(11):499-517. |
| [6] | VIJAY SHRINIVAS;S.K. VARMA;L.E. MURR .Deformation-Induced Martensitic Characteristics in 304 and 316 Stainless Steels during Room-Temperature Rolling[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1995(3):661-671. |
| [7] | Varma S K;Kalyanam J;Murr L E et al.Effect of Grain Size on Deformation-Induced Martensite Formation in 304 and 316 Stainless Steels During Room Temperature Tensile Testing[J].Journal of Materials Science and Letters,1994,13(01):107-111. |
| [8] | Krupp U;Christ H J;Lezuo P et al.Influence of Carbon Concentration on Martensitic Transformation in Metastable Steels Under Cyclic Loading Condition[J].Materials Science and Engineering,2001,319-321A(02):527-530. |
| [9] | L.F.M.Martins .Effect of Carbon on the Cold-worked State and Annealing Behavior of Two 18wt%Cr-8wt%Ni Austenitic Stainless Steels[J].ISIJ International,1998(6):572-579. |
| [10] | Amar K. De;David C. Murdock;Martin C. Mataya .Quantitative measurement of deformation-induced martensite in 304 stainless steel by X-ray diffraction[J].Scripta materialia,2004(12):1445-1449. |
| [11] | H. S. Wang;J. R. Yang;H. K. D. H. Bhadeshia .Characterisation of severely deformed austenitic stainless steel wire[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2005(11):1323-1328. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%