研究单级固溶及峰值时效处理对多层喷射沉积7090/SiCp复合材料显微组织及室温力学性能的影响,观察了挤压态、固溶及时效处理后的显微组织,并对其进行力学性能测试.结果表明:挤压态复合材料的晶粒均匀细小,基体合金中存在大量的第二相颗粒,为富铜相及MgZn2相;经过固溶处理后,复合材料的晶粒尺寸约为3 μm,第二相颗粒明显减少,溶入基体合金中;采用475℃,1 h固溶处理制度,其抗拉强度为610 MPa:经过475℃,1 h+120℃,24h时效处理后,其抗拉强度可达765MPa.
参考文献
| [1] | Shyong JH.;Derby B. .THE DEFORMATION CHARACTERISTICS OF SIC PARTICULATE-REINFORCED ALUMINIUM ALLOY 6061[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1995(1):11-18. |
| [2] | Srivatsan TS.;Al-Hajri M.;Smith C.;Petraroli M. .The tensile response and fracture behavior of 2009 aluminum alloy metal matrix composite[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):91-100. |
| [3] | LENGSFELD P;JUAREZ-ISLAS J A;CASSADA W A .Microstmcture and mechanical behavior of spray deposited Zn modified 7xxx series Al alloys[J].International Journal of Rapid Solidification,1995,8(04):237-265. |
| [4] | JUAREZ-ISLAS J A;PEREZ R .Microstructure and mechanical evaluations of spray-deposited 7xxxAl-alloys after conventional consolidation[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1994,A179-180(05):614-618. |
| [5] | 陈康华,刘红卫,刘允中.强化固溶对7055铝合金力学性能和断裂行为的影响[J].中南工业大学学报(自然科学版),2000(06):528-531. |
| [6] | 刘晓涛,董杰,崔建忠,赵刚.高强铝合金均匀化热处理[J].中国有色金属学报,2003(04):909-913. |
| [7] | 王洪斌,刘慧敏,黄进峰,张济山,张永安,熊柏青.热处理对喷射成形超高强Al-Zn-Mg-Cu系铝合金的影响[J].中国有色金属学报,2004(03):398-404. |
| [8] | 戴晓元,夏长清,孙振起,华熳煜,吴茵.Al-9.0Zn-2.5Mg-1.2Cu-0.12Sc-0.15Zr合金的组织和性能[J].中国有色金属学报,2007(03):396-401. |
| [9] | 何肇基.金属的力学性质[M].北京:冶金工业出版社,1982:195. |
| [10] | G. Liu;G.J. Zhang;R.H. Wang .Heat treatment-modulated coupling effect of multi-scale second-phase particles on the ductile fracture of aged aluminum alloys[J].Acta materialia,2007(26):273-284. |
| [11] | 刘志义,李云涛,刘延斌,夏卿坤.Al-Cu-Mg-Ag合金析出相的研究进展[J].中国有色金属学报,2007(12):1905-1915. |
| [12] | TOSUN G;MURATOGLU M .The drilling of an Al/SiCpmetal-matrix composites (Part Ⅰ):microstructure[J].Composites Science and Technology,2004,64:299-308. |
| [13] | 陆政,杨守杰,姜海峰,卢健,戴圣龙.一种新型超高强铝合金的均匀化工艺研究[J].航空材料学报,2001(02):14-17. |
| [14] | 杨守杰,谢优华,朱娜,戴圣龙,陆政,苏彬,颜鸣皋.Zr对Al-Zn-Mg-Cu系超高强铝合金力学性能的影响[J].材料研究学报,2002(04):406-412. |
| [15] | REDMILOVIC V;THAMAS G .Microstmcture of α-Al base matrix and SiC Particulate composite[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1991,32(08):171-179. |
| [16] | 袁武华,陈振华,徐海洋,张福全,傅定发.Properties and microstructures of 7075/SiCp composites prepared by spray deposition[J].中国有色金属学会会刊(英文版),2003(05):1160-1163. |
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