测量了两种Cr-Mo系钢的退火态、淬火态和回火态硬度,并运用Hollomon-Jaffe和转变速率关系式分别计算了两种钢的回火激活能.结果表明,在600 ～700℃之间回火时,含有较多C和碳化物形成元素Cr和V的H10MOD钢激活能高于3Cr-3Mo钢,说明H10MOD钢的回火稳定性高于3Cr-3Mo钢.Hollomon-Jaffe和转变速率关系式均可在一定的温度范围适用,然而转变速率关系式计算得到的激活能数值低于Hollomon-Jaffe关系式计算所得激活能.
参考文献
| [1] | Mahdi Koneshlou;Kaveh Meshinchi Asl;Farzad Khomamizadeh.Effect of cryogenic treatment on microstructure, mechanical and wear behaviors of AISI H13 hot work tool steel[J].Cryogenics,20111(1):55-61. |
| [2] | L.A. Dobrzanski;J. Mazurkiewicz;E. Hajduczek.Effect of thermal treatment on structure of newly developed 47CrMoWVTiCeZrl6-26-8 hot-work tool steel[J].Journal of Materials Processing Technology,20040(0):472-484. |
| [3] | Zhang Z;Delagnes D;Bernhart G.Microstructure evolution of hot-work tool steels during tempering and definition of a kinetic law based on hardness measurements[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20041/2(1/2):222-230. |
| [4] | Mittra, J;Kulkarni, UD;Dey, GK.Hardness based model for determining the kinetics of precipitation[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,20091/2(1/2):244-247. |
| [5] | A. Medvedeva;J. Bergstrom;S. Gunnarsson;J. Andersson.High-temperature properties and microstructural stability ofhot-work tool steels[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20091/2(1/2):39-46. |
| [6] | 王毛球;董瀚;王琪;李建新;赵隆.奥氏体化对3Cr-3Mo-Nb二次硬化钢的组织和力学性能的影响[J].兵器材料科学与工程,2002(5):9-13. |
| [7] | Michael D. Mulholland;David N. Seidman.Nanoscale co-precipitation and mechanical properties of a high-strength low-carbon steel[J].Acta materialia,20115(5):1881-1897. |
| [8] | Zhou, Q.;Wu, X.;Shi, N.;Li, J.;Min, N..Microstructure evolution and kinetic analysis of DM hot-work die steels during tempering[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,201118(18):5696-5700. |
| [9] | G. Miyamoto;J.C. Oh;K. Hono.Effect of partitioning of Mn and Si on the growth kinetics of cementite in tempered Fe-0.6 mass percent C martensite[J].Acta materialia,200715(15):5027-5038. |
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