对Cu-35Zn合金首先采用模压形变十道次后再进行30％冷轧,随后再进行不同温度的退火热处理,研究了经模压形变后冷轧的Cu-35Zn合金的热稳定性.结果表明:模压形变后冷轧可以细化Cu-35Zn合金的晶粒,并有效地提高其强度和硬度.经模压形变后冷轧的Cu-35Zn合金在200℃以下退火时,材料组织处于回复阶段;在220℃退火时,形成具有大角度晶界的亚晶;在300 ～400℃的温度范围内,完成再结晶及晶粒长大过程.
参考文献
| [1] | Shin D H,Park J J,Kim Y S,et al .Constrained groove pressing and its application to grain refinement of aluminum[J].Materials Science & Engineering A,2002,328:98-103.,2002. |
| [2] | Krishnaiah A,Uday Chakkingal,Venugopal P .Applicability of the groove pressing technique for grain refinement in commercial purity copper[J].Materials Science & Engineering A,2005,410(0):337-340.,2005. |
| [3] | Krishnaiah A,Uday C,Venugopal P .Production of ultrafine grain sizes in aluminum sheets by severe plastic deformation using the technique of groove pressing[J].Scripta Materialia,2005,52(12):1229-1233.,2005. |
| [4] | Peng K,Zhang Y,Shaw L L,et al .Microstructure dependence of a Cu-38Zn alloy on processing conditions of constrained groove pressing[J].Acta Materialia,2009,57(18):5543-5553.,2009. |
| [5] | Stolyarov V V,Zhu Y T,Lowe T C,et al .A two step SPD processing of ultrafine-grained titanium[J].Nanostructured Materials,1999,11(7):947-954.,1999. |
| [6] | Fan Z,Jiang H,Sun X,et al .Microstructures and mechanical deformation behaviors of uhrafine-grained commercial pure (grade 3) Ti processed by two-step severe plastic deformation[J].Materials Science and Engineering A,2009,527:45-51.,2009. |
| [7] | Wu L,Chen J,Du Z,et al .Microstructures of ultra-fine grained FeCoV alloys processed by ECAP plus cold roiling and their evolutions during tempering[J].Transactions of Nonferrous Metals Society of China,2010,20(4):602-606.,2010. |
| [8] | Azushima A,Aoki K,Asada Y,et al.High strengthening by combination process of shear deformation and rolling[C].Proceedings of 2002 Japanese Spring Conference on Technology of Plasticity,2002:309-310.,2002. |
| [9] | Stolyarov V V,Zhu Y T,Alexandrov I V,et al .Grain refinement and properties of pure Ti processed by warm ECAP and cold rolling[J].Materials Science and Engineering A,2003,343:43-50.,2003. |
| [10] | Ivanisenko Y,Wundedich R K,Valiev R Z,et al .Annealing behaviour of nanostructured carbon steel produced by severe plastic deformation[J].Scripta Materialia,2003,49(10):947-952.,2003. |
| [11] | Amouyal Y,Divinski S V,Klinger L,et al .Grain boundary diffusion and recrystallization in ultrafine grain copper produced by equal channel angular pressing[J].Acta Materialia,2008,56(19):5500-5513.,2008. |
| [12] | 王庆娟,张平平,杜忠泽,王静怡.等径弯曲通道变形制备超细晶铜的热稳定性[J].材料热处理学报,2012(08):105-109. |
| [13] | Lee Y B,Shin D H,Park K T,et al .Effect of annealing temperature on microstructures and mechanical properties of a 5083 Al alloy deformed at cryogenic temperature[J].Scripta Materialia,2004,51(4):355-359.,2004. |
| [14] | Cizek J,Prochazka I,Smola B,et al .Microstructure and thermal stability of uhrafine grained Mg-based alloys prepared by high-pressure torsion[J].Materials Science and Engineering A,2007,462:121-126.,2007. |
| [15] | 张萤,彭开萍,林雪慧.形变方式对模压形变H62黄铜组织的影响[J].材料热处理学报,2009(04):114-119. |
| [16] | Khodabakhshi F,Kazeminezhad M,Kokabi A H .Constrained groove pressing of low carbon steel:nano-structure and mechanical properties[J].Materials Science and Engineering A,2010,527:4043-4049.,2010. |
| [17] | Shirdel A,Khajeh A,Moshksar M M .Experimental and finite element investigation of semi-constrained groove pressing process[J].Materials and Design,2010,31(2):946-950.,2010. |
| [18] | Yoon S C,Krishnaiah A,Chakkingal U,et al .Severe plastic deformation and strain localization in groove pressing[J].Computational Materials Science,2008,43(4):641-645.,2008. |
| [19] | Lee J W,Park J J .Numerical and experimental investigations of constrained groove pressing and rolling for grain refinement[J].Journal of Materials Processing Technology,2002,130 |
| [20] | Peng K,Mou X,Zeng J,et al .Equivalent strain,microstructure and hardness of H62 brass deformed by constrained groove pressing[J].Computational Materials Science,2011,50(4):1526-1532.,2011. |
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