采用喷射沉积技术和热挤压致密化技术制备 Al-22Si 和 Al-27Si(质量分数)两种高硅铝合金,研究两种合金在不同载荷下的摩擦行为和磨损机理。结果表明,与铸态合金相比,喷射沉积技术制备的高硅铝合金具有晶粒细小、成分均匀的组织特征；在载荷为30,45,60和75 N 下,Al-22Si 合金的磨损以粘着磨损和氧化磨损为主；Al-27Si 合金在低载荷下以粘着磨损为主,在高载荷下的磨损行为时粘着磨损和磨粒磨损的混合磨损机制。含有较高硅含量的 Al-27Si 合金具有相对小的摩擦系数和磨损率。随着载荷增大,两种合金的磨损量逐渐增大。
The high-silicon content Al-22Si and Al-27Si (mass fraction)alloys were prepared by spray forming and hot extrusion technique.The friction behavior and wear mechanism of Al-22Si and Al-27Si alloys under dif-ferent loads at drying friction condition was investigation.The results show that,compared with the as-cast al-loy,the high-silicon content Al-Si alloys prepared by spray-forming process has the characteristics of the grain fine,uniform composition.At loads of 30,45,60,and 75 N,the wear mechanism of Al-22Si alloy is adhesive and oxidation wear,and it is mainly adhesion wear for Al-27Si alloy at low load.However,the wear mechanism of Al-27Si alloy at high load is the mixture of adhesive wear and abrasive wear.The wear rates of both alloys in-crease with increasing of load gradually.
参考文献
| [1] | 余琨,李少君,陈立三,赵为上,李鹏飞.电子封装材料过共晶硅-铝合金的组织特征和热性能[J].中国有色金属学报（英文版）,2012(06):1412-1417. |
| [2] | 李艳霞,刘俊友,王文韶,刘国权.液固分离和喷射沉积制备Al-45％Si合金的组织及性能[J].中国有色金属学报（英文版）,2013(04):970-976. |
| [3] | 陈霖,赵玉涛,贾志宏,陈登斌.Zr对过共晶铝硅合金中初生硅组织的影响[J].功能材料,2012(17):2360-2362,2368. |
| [4] | 陈长江,王渠东,尹冬弟,丁文江.内燃机活塞材料的研究进展[J].材料导报,2009(15):62-65. |
| [5] | Peng Tao.Development future of materials for the piston of internal combustion[J].Shanxi Science and Technolo-gy,2007(3):91-92. |
| [6] | 梁国萍,苏勇,刘福东,孙林,章高伟,王爱珍,金梅.P+RE变质对过共晶Al-Si合金组织的影响[J].特种铸造及有色合金,2010(03):273-275. |
| [7] | Haizhi Ye .An Overview of the Development of Al-Si-Alloy Based Material for Engine Applications[J].Journal of Materials Engineering and Performance,2003(3):288-297. |
| [8] | 赵玉厚,严文,周敬恩,李建平,董晟全.原位生成AlN-Al3Ti复合增强铝基复合材料研究[J].稀有金属材料与工程,2003(10):792-795. |
| [9] | 夏峰,李建平,李高宏,杨通,秦滢杰,余申卫,郭永春,张康虎,杨忠.熔体搅拌法制备高阻尼铝基复合材料的组织与性能[J].铸造,2005(12):1223-1226. |
| [10] | 夏峰,李高宏,李建平,朱满.Cu对Al-15Si合金的高温摩擦磨损行为的影响[J].西安工业大学学报,2010(06):548-552. |
| [11] | Dwivedi D K .Wear behavior of cast hypereutectic alu-minium silicon alloys[J].Materials and Design,2006,27(7):610-616. |
| [12] | Dwivedi D K .Adhesive wear behavior of cast aluminium-silicon alloys:Overview[J].Materials and Design,2010,31:2517-2531. |
| [13] | Jacobson D M;Ogilvya J W;Leatham A G .Applica-tions of osprey lightweight controlled expansion(CE)al-loys[EB/OL].www.smt.sandvik.com,2012-05-16. |
| [14] | Jones H. .A perspective on the development of rapid solidification and nonequilibrium processing and its future[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(0):11-19. |
| [15] | F. Alshmri;H. V. Atkinson;S. V. Hainsworth;C. Haidon;S. D. A. Lawes .Dry sliding wear of aluminium-high silicon hypereutectic alloys[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2014(1/2):106-116. |
| [16] | Mohamed Ibrahim Abd El Aal;Hyoung Seop Kim .Wear properties of high pressure torsion processed ultrafine grained Al-7%Si alloy[J].Materials & design,2014(Jan.):373-382. |
| [17] | Archard J F .Contact and rubbing of flat surfaces[J].Journal of Applied Physics,1953,24:981-987. |
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