开发了用等径弯曲通道变形(ECAP)制备半硬磁2J4合金.研究结果表明:2J4合金的磁性能随着ECAP变形道次的增加而逐渐增大,在第3道次变形时,其磁性能增加速度最快.ECAP变形与冷轧类似,都形成极其相似的带状织构,提高了合金的各向异性常数.由于ECAP方式使晶粒细化,达到或接近单畴结构,使得2J4合金的磁性能优于冷轧条件下的磁性能.
参考文献
| [1] | RANGANGTHAIAH C;MAHABALASHETTY M;SANJEEVIAH H .Doppler broadening measurement of positron annihilation in amorphous vicalloy and P-6 alloy[J].Journal of Materials Science Letters,1988,7(01):31-32. |
| [2] | 吴东鑫.新型实用传感器应用指南[M].北京:电子工业出版社,1998 |
| [3] | 柯成.金属功能材料词典[M].北京:冶金工业出版社,1999 |
| [4] | 崔忠忻.金属学与热处理原理[M].哈尔滨:哈尔滨工业大学出版社,1998 |
| [5] | SEGAL V M;REZNIKOV V I;DROBYSHEVSKIY A D.Plastic working of metals by simple shear[J].Russian Metallurgy,1981(01):99-105. |
| [6] | SEMIATIN S L;SEGAL V M;GOETZ R L et al.Workability of a gamma titanium aluminide alloy during equal channel angular extrusion[J].Scripta Metallurgica et Materialia,1995,33(04):535-540. |
| [7] | STOLYAROV V V;ZHU Y T;LOWE T C .Microstructure and properties of pure Ti by ECPA and cold extrusion[J].Materials Science and Engineering A,2001,303(1-2):82-89. |
| [8] | Akihiro Yamashita;Zenji Horita;Terence G. Langdon .Improving the mechanical properties of magnesium and a magnesium alloy through severe plastic deformation[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(1/2):142-147. |
| [9] | Aibin Ma;Kazutaka Suzuki;Yoshinori Nishida .Impact toughness of an ultrafine-grained Al-1lmass percent Si alloy processed by rotary-die equal-channel angular pressing[J].Acta materialia,2005(1):211-220. |
| [10] | Byoungchul Hwang;Han Sang Lee;Yang Gon Kim .Dynamic Deformation Behavior of Ultra Fine-Grained Low-Carbon Steels Fabricated by Equal-Channel Angular Pressing[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2005(2):389-397. |
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