纳米复合材料的腐蚀、腐蚀磨损以及干摩擦磨损行为非常复杂，受化学、物理和机械等多方面因素影响。采用机械球磨、冷压和热挤压技术制备Al/SiC纳米复合材料，研究纳米SiC含量对材料硬度、干滑动磨损、腐蚀和腐蚀磨损行为的影响。采用电化学极化测试研究了复合材料在3% NaCl溶液中的抗腐蚀性能。采用盘-销装置研究了复合材料的干滑动磨损和在3%NaCl溶液中腐蚀磨损性能。利用扫描电子显微镜研究了材料及磨损表面的显微组织。结果表明，随着SiC含量的增加，纳米复合材料的干滑动摩擦和抗腐蚀性能均得到提高。由于溶液的润滑作用，使材料软化的摩擦因数和摩擦生热均降低。与基体合金相比，纳米复合材料的强度和抗腐蚀性能提高，因此其抗腐蚀磨损性能也提高。对于未增强的基体合金，其磨损机理为黏着磨损，而对于Al/SiC纳米复合材料，磨损机理转变为磨粒磨损。
The corrosion, corrosive wear and dry sliding wear of nanocomposites, are extremely complicated and involve various chemical, physical and mechanical factors. The aim of this work is to investigate the effects of nanosized SiC content on the hardness, dry sliding wear, corrosion and corrosive wear of Al/SiC nanocomposites synthesized by mechanical milling cold pressing and hot extrusion. The corrosion resistance of these composites in 3%NaCl solution was investigated by electrochemical polarization testing and their dry sliding as well as corrosive wear resistance in the same solution was evaluated using a pin-on-disc tester. The microstructures of the samples and their worn surfaces were examined using scanning electron microscopy. It was shown that the dry sliding wear and corrosion resistance of these nanocomposites were improved with the increase of SiC content. It was concluded that due to the lubrication effect of the solution, both the friction coefficient and frictional heat that might soften the material were reduced. In addition, the improved strength of the nanocomposites combined with their better corrosion resistance contributed to their increased corrosive wear resistance, compared with the base alloy. The prominent wear mechanism in the unreinforced alloy was adhesive wear, in the Al/SiC nanocomposites, the wear mechanism changed to abrasive.
参考文献
| [1] | SONG Min.Effects of volume fraction of SiC particles on mechanical properties of SiC/Al composites[J].中国有色金属学报（英文版）,2009(06):1400-1404. |
| [2] | M.Khakbiz;F.Akhlaghi.Synthesis and structural characterization of Al-B_4C nano-composite powders by mechanical alloying[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,20091/2(1/2):334-341. |
| [3] | Amir Hossein Yaghtin;Erfan Salahinejad;Ali Khosravifard.Processing of nanostructured metallic matrix composites by a modified accumulative roll bonding method with structural and mechanical considerations[J].矿物冶金与材料学报,2012(10):951-956. |
| [4] | 陈飞;王同敏;陈宗宁;毛丰;韩强;曹志强.Zn-Al-Cu-TiB2原位复合材料的显微组织、力学性能及耐磨性[J].中国有色金属学报（英文版）,2015(1):103-111. |
| [5] | N.NAGA KRISHNA;K.SIVAPRASAD;P.SUSILA.低温轧制超高强度Al-4%Cu-3%TiB2原位复合材料的强化机理[J].中国有色金属学报（英文版）,2014(03):641-647. |
| [6] | Sajjadi, S.A.;Ezatpour, H.R.;Beygi, H..Microstructure and mechanical properties of Al-Al_2O_3 micro and nano composites fabricated by stir casting[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,201129/30(29/30):8765-8771. |
| [7] | Z.Y. Ma;S.C. Tjong.The performance of aluminium-matrix composites with nanometric particulate Si-N-C reinforcement[J].Composites science and technology,19992(2):263-270. |
| [8] | Naiqin Zhao;Philip Nash;Xianjin Yang.The effect of mechanical alloying on SiC distribution and the properties of 6061 aluminum composite[J].Journal of Materials Processing Technology,20053(3):586-592. |
| [9] | On Structure And Mechanical Properties Of Ultrasonically Cast Al-2% Al_2o_3 Nanocomposite[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,20095(5):1154-1160. |
| [10] | M. Moazami-Goudarzi;Farshad Akhlaghi.Novel approach based on in situ powder metallurgy (IPM) method for embedding of SiC nanoparticles in aluminium powders[J].Materials Technology,20122(2):158-164. |
| [11] | A FATHY;Omyma EL-KADY;Moustafa M M MOHAMMED.铁对粉末冶金法制备铝基复合材料微观组织和力学性能及磁学性能的影响[J].中国有色金属学报（英文版）,2015(01):46-53. |
| [12] | Liu, YQ;Cong, HT;Wang, W;Sun, CH;Cheng, HM.AlN nanoparticle-reinforced nanocrystalline Al matrix composites: Fabrication and mechanical properties[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,20091/2(1/2):151-156. |
| [13] | A.Zolriasatein;R.A.Khosroshahi;M.Emamy;N.Nemati.Mechanical and wear properties of Al-Al3Mg2 nanocomposites prepared by mechanical milling and hot pressing[J].矿物冶金与材料学报,2013(03):290-297. |
| [14] | GU Wan-li.Bulk Al/SiC nanocomposite prepared by ball milling and hot pressing method[J].中国有色金属学会会刊（英文版）,2006(z1):398-401. |
| [15] | 郝晓宁;张海平;郑瑞晓;张艺镡;Kei AMEYAMA;马朝利.球磨时间和转速对CNTs/Al-2024复合粉末变化的影响[J].中国有色金属学报（英文版）,2014(7):2380-2386. |
| [16] | Poirier, D.;Drew, R.A.L.;Trudeau, M.L.;Gauvin, R..Fabrication and properties of mechanically milled alumina/aluminum nanocomposites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,201029/30(29/30):7605-7614. |
| [17] | S. Das;Y. L. Saraswathi;D. P. Mondal.Erosive-corrosive wear of aluminum alloy composites: Influence of slurry composition and speed[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,20062(2):180-190. |
| [18] | Zhang TC.;Li DY..Improvement in the resistance of aluminum with yttria particles to sliding wear in air and in a corrosive medium[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,20012(2):1250-1256. |
| [19] | M. Ramachandra;K. Radhakrishna.Effect of reinforcement of flyash on sliding wear, slurry erosive wear and corrosive behavior of aluminium matrix composite[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,200711/12(11/12):1450-1462. |
| [20] | S. Candan;E. Bilgic.Corrosion behavior of Al-60 vol. percent SiC_p composites in NaCl solution[J].Materials Letters,200422/23(22/23):2787-2790. |
| [21] | Kiourtsidis G.;Skolianos SM..Corrosion behavior of squeeze-cast silicon carbide 2024 composites in aerated 3.5 wt.% sodium chloride[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,19981/2(1/2):165-172. |
| [22] | M. Reza Bateni;J. A. Szpunar;X. Wang;D. Y. Li.Wear and corrosion wear of medium carbon steel and 304 stainless steel[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,20061/2(1/2):116-122. |
| [23] | K. Niranjan;P.R. Lakshminarayanan.Dry sliding wear behaviour of in situ Al-TiB_2 composites[J].Materials & design,2013May(May):167-173. |
| [24] | A. Alizadeh;E. Taheri-Nassaj.Mechanical properties and wear behavior of Al-2 wt.% Cu alloy composites reinforced by B_4C nanoparticles and fabricated by mechanical milling and hot extrusion[J].Materials Characterization,2012:119-128. |
| [25] | Walczak, M.;Pieniak, D.;Zwierzchowski, M..The tribological characteristics of SIC particle reinforced aluminium composites[J].Archives of Civil and Mechanical Engineering,20151(1):116-123. |
| [26] | Sanjay Kumar Thakur;Brij Kumar Dhindaw.The influence of interfacial characteristics between SiC{sub}p and Mg/Al metal matrix on wear, coefficient of friction and microhardness[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,20012(2):191-201. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%