等径角挤压(Equal Channel Angular Pressing, ECAP)是一种利用纯剪切变形细化晶粒的大塑性变形加工方法,已引起人们的极大关注.给出了等径角挤压变形过程中的主要工艺参数,包括有效应变、模具角度、变形途径、挤压速度、挤压温度、挤压道次、剪切方向等的选择对纳米材料的结构与性能的影响,并评述了等径角挤压变形过程的有限元模拟结果.
参考文献
| [1] | T. C. Lowe;R. Z. Valiev .Producing nanoscale microstructures through severe plastic deformation[J].JOM,2000(4):27-28. |
| [2] | Valiev RZ.;Alexandrov IV.;Islamgaliev RK. .Bulk nanostructured materials from severe plastic deformation [Review][J].Progress in materials science,2000(2):103-189. |
| [3] | Sevillano J Gil;Houtte P Van;Aernoudt E .Large strain work hardening and textures[J].Progress in Materials Science,1980,25(2-4):69-412. |
| [4] | Segal V M;Reznilkov V I;Kopylov V I.Processes of plastic transformation of metals[M].Minsk:Navukai Teknika,1984 |
| [5] | Ferrase S;Segal V M;Hartwig K T et al.Microstructure and properties of copper and aluminum alloy 3003 heavily worked by equal-channel angular extrusion[J].Metallurgical and Materials Transactions,1997,28(04):1047-1057. |
| [6] | M. Mabuchi;H. Iwasaki;K. Yanase;K. Higashi .LOW TEMPERATURE SUPERPLASTICITY IN AN AZ91 MAGNESIUM ALLOY PROCESSED BY ECAE[J].Scripta materialia,1997(6):681-686. |
| [7] | D.P.DeLo;S.L.Semiatin .Hot working of Ti-6Al-4V via equal channel angular extrusion[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1999(9):2473-2481. |
| [8] | Saito N.;Nakanishi M.;Shigematsu I.;Yamauchi G.;Nakamura M.;Mabuchi M. .Application of equal channel angular extrusion on strengthening of ferritic stainless steel[J].Journal of Materials Science,2001(13):3229-3232. |
| [9] | Suh J Y;Kim H S;Park J W et al.Finite element analysis of material flow in equal channel angular pressing[J].Scripta Materialia,2001,44(04):677-681. |
| [10] | Segal VM. .MATERIALS PROCESSING BY SIMPLE SHEAR[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1995(2):157-164. |
| [11] | Aida T;Matsuki K;Horita Z et al.Estimation the equivalent strain in equal channel angular pressing[J].Scripta Materialia,2001,44(04):575-579. |
| [12] | Iwahashi Y;Horita Z;Nemoto N et al.An investigation of microstructral evolution during equal channel angular pressing[J].Acta Materialia,1997,45(11):4733-4741. |
| [13] | GholiniaA;Prangnell P B;Markushev M V .The effect of strain path on the development of deformation structures in severely deformed aluminum alloys processed by ECAE[J].Acta Materialia,2000,48(05):1115-1130. |
| [14] | Terence G. Langdon;Minoru Furukawa;Minoru Nemoto;Zenji Horita .Using equal-channel angular pressing for refining grain size[J].JOM,2000(4):30-33. |
| [15] | Yoshinori iwahasgi .The process of grain refinement in equal-channel angular pressing[J].Acta materialia,1998(9):3317-3331. |
| [16] | Berbon P B;Furukawa M;Horita Z et al.Influence of pressing speed on microstructural development in equal-channel angular pressing[J].Metallurgical and Materials Transactions,1999,30:1989-1997. |
| [17] | Yamaguchi D;Horita Z;Nemoto M et al.Significance of adiabatic heating in equal-channel angular pressing[J].Scripta Materialia,1999,41(08):791-796. |
| [18] | Semiatin S L;Berbon P B;Langdon T G .Deformation heating and its effect on grain size evolution during equal-channel angular pressing[J].Scripta Materialia,2001,44(01):135-140. |
| [19] | Akihiro Yamashita;Daisuke Yamaguchi;Zenji Horita;Terence G. Langdon .Influence of pressing temperature on microstructural development in equal-channel angular pressing[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(1):100-106. |
| [20] | Prangnell P B;Harris C;Roberts S M .Finite element modeling of equal channel angular extruson[J].Scripta Materialia,1997,37(07):983-989. |
| [21] | RAGHAVAN S .Computational simulation of the equi-channel angular extrusion process[J].Scripta Materialia,2001,44(01):91-96. |
| [22] | Shan A;Ko H.-S. --;Park J.-W. --;Moon IG .Direct observation of shear deformation during equal channel angular pressing of pure aluminum[J].Scripta materialia,1999(4):353-357. |
| [23] | Liu Zuyan;Wang Zhongjin .Finite-element analysis of the load of equal-cross-section lateral extrusion[J].Journal of Materials Processing Technology,1999(2/3):193-196. |
| [24] | S. L. Semiatin;D. P. Delo .THE EFFECT OF MATERIAL PROPERTIES AND TOOLING DESIGN ON DEFORMATION AND FRACTURE DURING EQUAL CHANNEL ANGULAR EXTRUSION[J].Acta materialia,2000(8):1841-1851. |
| [25] | Kim H S;Seo M H;Hong S I .Plastic deformation analysis of metals during equal channel angular pressing of pure aluminum[J].Journal of Materials Processing Technology,2001(113):622-626. |
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%