研究了喷射沉积7075/SiCp复合材料坯经过模压后的组织和性能.模压温度对沉积坯增强颗粒分布、基体组织、坯料密度以及压坯的硬度等影响明显.随着温度的提高,沉积坯中的SiC层状分布得到消除,但在600℃时压坯中的晶粒长大和SiC颗粒晶界偏聚较明显.温度提高,压坯上下密度和硬度差减小,600℃以上密度趋于一致,但硬度降低明显.在560～600℃模压,对材料致密化、组织和性能优化较为有利.
参考文献
| [1] | KON BAE LEE;HOON KWON .Strength of Al-Zn-Mg-Cu Matrix Composite Reinforced with SiC Particles[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2002(2):455-465. |
| [2] | Razaghian A;Yu D;Chandra T .Fracture behavior of SiC-particle-reinforced Al alloy at high temperature[J].Composites Science and Technology,1998,58:293-298. |
| [3] | Venkataraman B;Sundarajan G .Correlation between characteristics and wear behaviour of aluminum, al7075 and Al-MMCs[J].Wear,2000,245:28-38. |
| [4] | Doel TJ A;Bowen P .Tensile properties of particulatereinforced metal matrix composites[J].Composites Part A:Applied Science and Manufacturing,1996,27A:655-665. |
| [5] | SeeKS;DeanTA .The effect of pre-forge processing on forgeability and mechanical properties of co-sprayed aluminum-based MMCs[J].Journal of Materials Processing Technology,1997,71:314-321. |
| [6] | See K S;DeanT A .The effects of the disposition of SiC particles on the forgeability and mechanical properties of co-sprayed aluminum-based MMCs[J].Journal of Materials Processing Technology,1997,69:58-67. |
| [7] | W. -J. Kim and O. D. Sherby .PARTICLE WEAKENING IN SUPERPLASTIC SiC/2124 Al COMPOSITES AT HIGH TEMPERATURE[J].Acta materialia,2000(8):1763-1774. |
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%