2SEGAL V M,REZNIKOV V I,DROBYSHEVSKII A E,et al.Plasticheskaya obrabotka metallov prostym sdvigom (plastic metal working by simple shear)[J]. Metally, 1981 (1) : 115-123.
3VALIEV R Z, KRASILNIKOV N A,TSENEV N K. Plastic deformation of alloys with submicron-grained structure[J]. Materials Science & Engineering A,1991,137 (15):30-40.
4OH ISHI K, HORITA Z, FURUKAWA M,et al. Optimizing the rotation conditions for grain refinement in equal-channel angular pressing[J]. Metall And Mater Transactions A, 1998,29 (7) : 2011-2013.
5FURUKAWA M, IWAHASHI Y, HORITA Z, et al. The shearing characteristics associated with equal-channel angular pressing[J]. Matecials Science & Engineering A, 1998,257 : 328-332.
6FURUKAWA M, HORITA Z, NEMOTO M, et al. Factors influencing the flow and hardness of materials with ultrafine grain sizes[J]. Philog Mag A,1998,78(1) :203-215.
7GHOLINA A, PRANGNELL P B, MARKUSHEV M V. The effect of strain path on the development of deformation structures in severely deformed aluminium alloys processed by ECAE[J].Acta Mater,2000,48:1115-1130.
8WANG J,IWAHASHI Y, HORITA Z,et al. Investigation of microsturctural stability in an Al-Mg with submicrometer grain size[J]. Acta Materialia, 1996,44(7) :2973-2982.
9FURUKAWA M, HORITA Z, NEMOTO M, et al. Microhardness measurements and the Hall-Petch relationship in an Al-Mg alloy with submicrometier grain size[J]. Aeta Materialia, 1996,44 ( 11 ) :4619-4629.
10VALIEV R Z, KOZLOV E V, IVANOV Y F, et al. Deformation behaviour of ultra- flne-grained copper[J]. Aeta Metallurgica & Materialia,1994,42(7) :2467-2475.
