用XRD定量分析法研究了两种成分的高磷Ni-W-P镀层在不同热处理条件下的晶化组织、晶粒尺寸及微应变的演变规律.结果表明:在400℃晶化时,尽管P含量有所差异,但镀层的晶化程度趋于一致,且在400～500℃之间形成的Ni3P晶粒尺寸大于Ni;加热温度超过500℃,则Ni的尺寸大于Ni3P.温度达到700℃时,仍有残存的非晶相,其P含量越高,Ni3P转变的体积分数越大于Ni的分数.用XRD方法实测得到的残余应力温度范围在400～700℃之间,残余应力随温度升高而降低的变化规律与通过XRD计算的晶格应变的变化规律一致.镀态时镀层的晶格应变最大,非晶态程度越高,晶格应变越大.
参考文献
| [1] | 张传历;李海滨;韩伟 等.用非晶晶化法制备纳米晶材料[J].钢铁研究学报,1994,6(04):38-42. |
| [2] | Younan MM.;Aly IHM.;Nageeb MT. .Effect of heat treatment on electroless ternary nickel-cobalt-phosphorus alloy[J].Journal of Applied Electrochemistry,2002(4):439-446. |
| [3] | Tien S K;Duh J G;Chen Y I .The influence of thermal treatment on the microstructure and hardness in electroless Ni-P-W deposit[J].Thin Solid Films,2004,469-470:333-338. |
| [4] | Gao Y;Zheng Z J;Zhu M et al.Corrosion resistance of electroless deposited Ni-P and Ni-W-P alloys with various structures[J].Materials Science and Engineering A,2004,381:98-103. |
| [5] | Tien S K;Duh J G .Thermal reliability of electroless Ni-P-W coating during the aging treatment[J].Thin Solid Films,2004,469-470:268-273. |
| [6] | M. Palaniappa;S. K. Seshadri .Friction and wear behavior of electroless Ni-P and Ni-W-P alloy coatings[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2008(5/6):735-740. |
| [7] | 王天旭,蒙继龙,胡永俊,饶乾阳.加热温度对铝合金化学镀Ni-W-P合金组织及相变行为的影响[J].金属热处理,2005(06):21-25. |
| [8] | K. G. Keong;W. Sha .CRYSTALLISATION AND PHASE TRANSFORMATION BEHAVIOUR OF ELECTROLESS NICKEL - PHOSPHORUS DEPOSITS AND THEIR ENGINEERING PROPERTIES[J].Surface Engineering,2002(5):329-343. |
| [9] | Z. Guo;K.G. Keong;W. Sha .Crystallisation and phase transformation behaviour of electroless nickel phosphorus platings during continuous heating[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2003(1/2):112-119. |
| [10] | Hu YJ;Wang TX;Meng JL;Rao QY .Structure and phase transformation behaviour of electroless Ni-W-P on aluminium alloy[J].Surface & Coatings Technology,2006(3/4):988-992. |
| [11] | Palaniappa M;Seshadri S K .Structure and phase transformation behavior of electroless Ni-P and Ni-W-P deposits[J].Materials Science and Engineering A,2007,460-461:638-644. |
| [12] | Grzeta B;Toraya H .Powder-pattern-fitting methods in structure determination[J].Croatica Chem Acts,1994,67(02):273-279. |
| [13] | 何圣静;高莉如.非晶态材料及其应用[M].北京:机械工业出版社,1987 |
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