用高能喷丸法对纯铁表面进行机械研磨时将镍粉引入表面,并通过随后热处理实现了表面铁镍合金化.采用OM、XRD和SEM研究其显微组织及分布形貌.结果表明,机械研磨后,镍粉均匀镶嵌在纯铁基体上并形成一层铁镍混合层,经过450℃退火后出现约100 μm的FeNi合金层,且其成分沿深度呈梯度分布.载荷为15～ 55 N时,表面合金化后摩擦系数和磨损量低于仅仅纳米化后的样品.表面合金化处理能进一步减弱纯铁的疲劳磨损效应,提高材料的摩擦磨损性能.
参考文献
| [1] | 刘晓宁,王宇.金属材料表面纳米化对腐蚀性能的影响[J].热处理技术与装备,2008(05):17-20. |
| [2] | Z. B. Wang;N. R. Tao;W. P. Tong;J. Lu;K. Lu .Diffusion of chromium in nanocrystalline iron produced by means of surface mechanical attrition treatment[J].Acta materialia,2003(14):4319-4329. |
| [3] | Guo F A;Ji Y L;Zhang Y N et al.Local thermal property analysis by scanning thermal microscope of ultrafine-grained surface layer in copper and in titanium produced by surface mechanical attrition treatments[J].Materials Characterization,2007,58:658-665. |
| [4] | 林万明,卫英慧,杜华云,毕海香,侯利锋.纯铜表面纳米化对镍扩散的影响[J].金属热处理,2009(11):14-17. |
| [5] | 李伟,刘平,马凤仓,刘新宽,陈小红,戎咏华.表面机械研磨处理制备纳米晶Ni的晶粒生长动力学[J].材料热处理学报,2011(z1):121-126. |
| [6] | 邹途祥,卫英慧,侯利锋,许并社,刘刚.表面机械研磨诱导纯铝表层纳米化[J].太原理工大学学报,2008(03):249-252. |
| [7] | Fereshteh Ebrahimi;Hongqi Li .Grain growth in electrodeposited nanocrystalline fcc Ni-Fe alloys[J].Scripta materialia,2006(3):263-266. |
| [8] | LiW;Wang X D;Meng Q P et al.Interdiffusion of alloying elements in nanocrystalline Fe-30 wt% Ni alloy during surface mechanical attrition treatment and its effect on α-γ transformation[J].Scripta Materialia,2008,59:344-347. |
| [9] | Wen, CS;Li, W;Rong, YH.Nanocrystallization and martensitic transformation in Fe-23.4Mn-6.5Si-5.1Cr (wt.%) alloy by surface mechanical attrition treatment[J].Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing,2008:484-488. |
| [10] | Ying-hui Wei;Bao-sheng Liu;Li-feng Hou .Characterization and properties of nanocrystalline surface layer in Mg alloy induced by surface mechanical attrition treatment[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(2):336-342. |
| [11] | 侯利锋,卫英慧,刘宝胜,许并社.AZ91D镁合金表面机械研磨处理后显微结构研究[J].稀有金属材料与工程,2008(03):530-533. |
| [12] | Z.B. Wang;J. Lu;K. Lu .Chromizing behaviors of a low carbon steel processed by means of surface mechanical attrition treatment[J].Acta materialia,2005(7):2081-2089. |
| [13] | Roland T;Retraint D;Lu K;Lu J .Fatigue life improvement through surface nanostructuring of stainless steel by means of surface mechanical attrition treatment[J].Scripta materialia,2006(11):1949-1954. |
| [14] | 石继红,武保林,刘刚.退火对表面机械研磨处理纳米化316L不锈钢性能的影响[J].材料热处理学报,2009(01):153-156. |
| [15] | 牛娜,卫英慧,林万明,侯利锋,杜华云.表面机械研磨处理对Cu-4Ti合金组织及力学性能的影响[J].金属热处理,2012(08):46-49. |
| [16] | 卫英慧;林万明;侯利锋 等.一种纯铜基板材表面合金化的工艺方法[P].中国:zl200610048372.7,2009-9-30. |
| [17] | 吕晓仁,王胜刚,刘阳,李曙.纳米化纯铁在干摩擦及油润滑条件下的磨损行为研究[J].摩擦学学报,2007(01):20-24. |
| [18] | Wang ZB.;Tao NR.;Li S.;Wang W.;Liu G.;Luc J.;Lu K. .Effect of surface nanocrystallization on friction and wear properties in low carbon steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):144-149. |
| [19] | 李东,陈怀宁,刘刚,卢柯,林泉洪.SS400钢对接接头表面纳米化及其对疲劳强度的影响[J].焊接学报,2002(02):18-21. |
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