研究了Cu-11.5%Fe合金经固溶和时效处理后导电性的变化规律. 采用SEM和TEM观察了经不同规范热处理Cu-11.5%Fe合金的组织结构, 利用XRD测定了铜基体的晶格常数, 得出时效处理对合金电阻率的影响规律, 并探讨了合金电阻率变化的内在原因. 结果表明: 影响合金导电性的主要因素是溶质散射电阻、析出应变场散射电阻; 固溶处理的合金经过550.℃、 2.h时效处理, 可得到较低的电阻率.
参考文献
[1] | C. BISELLI;D. G. MORRIS .MICROSTRUCTURE AND STRENGTH OF Cu-Fe IN SITU COMPOSITES AFTER VERY HIGH DRAWING STRAINS[J].Acta materialia,1996(2):493-504. |
[2] | Jerman G A;Anderson I E;Verhoeven J D .Strength and electrical conductivity of deformation-processed Cu-15 vol pct Fe alloys produced by powder metallurgy techniques[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1993,24(01):35-42. |
[3] | Bevk J;Harbison J P;Bell J L .Anomalous increase in strength of in-situ formed Cu-Nb multifilamentary composites[J].Journal of Applied Physics,1978,49(12):6031-6038. |
[4] | Verhoeven J D;Chuen S C;Gibson E D .Strength and conductivity of in-situ Cu-Fe alloys[J].Journal of Materials Science,1989,24(07):1748-1752. |
[5] | BOLTAX A .Precipitation processes in copper-rich copper-alloys[J].Transactions of the Metallurgical Society of AIME,1960,218(04):812-821. |
[6] | 陈世朴;王永瑞.金属电子显微分析[M].北京:机械工业出版社,1982:187-188. |
[7] | Hansen M.Constitution of Binary Alloys[M].New York: McGraw-Hill,1958:580. |
[8] | 冯端.金属物理[M].北京:科学出版社,2000:108-110. |
[9] | Verhoeven J D;Downing H L;Chumbley L S et al.The resistivity and microstructure of heavily drawn Cu-Nb alloys[J].Journal of Applied Physics,1989,65(03):1293-1301. |
[10] | Hong S I;Hill M A .Microstructure and conductivity of Cu-Nb microcomposite fabricated by the bundling and drawing process[J].Scripta Materialia,2001,44(10):2509-2515. |
[11] | Heringhaus F.;Schneider-Muntau HJ.;Gottstein G. .Analytical modeling of the electrical conductivity of metal matrix composites: application to Ag-Cu and Cu-Nb[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):9-20. |
[12] | PELTON A R;Laabs F C;Spitzig W A et al.Microstructural analysis of in-situ Cu-Nb composite wires[J].ULTRAMICROSCOPY,1987,22(01):251-265. |
[13] | S.I.Hong;M.A.Hill .Microstructural stability and mechanical response of Cu-Ag microcomposite wires[J].Acta materialia,1998(12):4111-4122. |
[14] | Sun Ig Hong;Mary Ann Hill .Microstructural stability of Cu-Nb microcomposite wires fabricated by the bundling and drawing process[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(1/2):189-197. |
[15] | Miyake J;Ghosh G;Fine M E .Design of high-strength high-conductivity alloys[J].MRS Bulletin,1996,21(06):13-18. |
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