对渗铝后的8407钢试样进行常温硬质阳极氧化处理,使其表面形成氧化膜.通过金相显微镜观察氧化膜横截面组织,并探讨了氧化膜的形成机制;采用扫描电镜观察氧化膜表面形貌,并检测氧化膜沿厚度方向的化学成分及其分布;利用X射线衍射仪对氧化膜相组成进行分析.结果表明,渗铝8407钢经过常温硬质阳极氧化后,试样表面分为3层,从基体向外侧依次为基体、渗层、氧化膜.氧化膜连续致密,厚度均匀,与基体结合紧密,其主要成分为O、Al和Fe,且各元素分布均匀,主要相组成为Fe3O4和Al2O3.
参考文献
| [1] | Darren T .Soldering in high pressure die casting and its prevention by lubricant and oxide layers[D].Brisbane:The University of Queensland,2000. |
| [2] | 王荣,吴晓春,闵永安.铝合金压铸模的焊合熔损现象及其预防措施[J].金属热处理,2005(02):68-72. |
| [3] | Martin S.Erosion.Corrosion and soldering of die casting dies as related to surface coating[A].Karlstad:Uddeholm Research and Development Department,1997:117-127. |
| [4] | Sumanth Shankar;Diran Apelian .Mechanism and Preventive Measures for Die Soldering during Al Casting in a Ferrous Mold[J].JOM,2002(8):47-54. |
| [5] | Gulizia S.;Doyle ED.;Jahedi MZ. .Performance evaluation of PVD coatings for high pressure die casting[J].Surface & Coatings Technology,2001(3):200-205. |
| [6] | Joshi V.;Srivastava A.;Shivpuri R.;Rolinski E. .Investigating ion nitriding for the reduction of dissolution and soldering in die-casting shot sleeves[J].Surface & Coatings Technology,2003(0):668-673. |
| [7] | Mitterer C;Holler F;Ustel F et al.Application of hard coatings in aluminum die casting soldering,melting-loss and thermal fatigue behavior[J].Surface and Coatings Technology,2000,125(1-3):233-239. |
| [8] | Pellizzari M.;Straffelini G.;Molinari A. .Thermal fatigue resistance of plasma duplex-treated tool steel[J].Surface & Coatings Technology,2001(0):1109-1115. |
| [9] | 闵永安,王荣,吴晓春,许珞萍,李麟.蒸汽氧化H13钢的抗铝热熔损性能研究[J].上海金属,2004(03):5-9. |
| [10] | 朱子新,徐滨士,马世宁,张伟.Sliding wear behavior of high velocity arc sprayed Fe-Al coating[J].中国焊接(英文版),2003(01):1-5. |
| [11] | 孙健,王晓鸣,邹宗树.表面渗铝氧化处理后8407钢的抗熔损性能[J].过程工程学报,2010(04):802-808. |
| [12] | 孙健,王晓鸣,邹宗树.8407模具钢表面渗铝的研究[J].材料与冶金学报,2009(02):145-150. |
| [13] | A. Rajendra;Biren J. Parmar;A. K. Sharma .Hark anodization of aluminium and its application to sensorics[J].Surface Engineering,2005(3):193-197. |
| [14] | Schwirn, K.;Lee, W.;Hillebrand, R.;Steinhart, M.;Nielsch, K.;G?sele, U. .Self-ordered anodic aluminum oxide formed by H_2SO_4 hard anodization[J].ACS nano,2008(2):302-310. |
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