2011 12 JOURNALOF WUHAN UNIVERSITYOFTECHNOLOGY Vol.33 No.12 Dec.2011 DOI:10.3963/j.issn.1671-4431.2011.12.004,,,, (, 621010) : Ni-P (SEM) X (XRD) (EDS) 200~250 : ; ; ; ; : TQ153.5 : A :1671-4431(2011)12-0013-05 StudyofCoatingPerformanceandChemicalNickel-plating onfluoropolymerplastic ZHANG Min,LIAO Hui-wei,ZHOU Yuan,PAN Ya-mei,JIA Jin-deng,JIANG Shan (ColegeofMaterialsScienceandEngineering,SouthwestUniversityofScienceandTechnology,Mianyang621010,China) Abstract: Ni -Pplating wassuccessfulyproducedusingelectrolessplatingtechnologyonfluoropolymerplastic.the morphology,growthpatern,component,structure,corrosionresistanceandelectrochemicalimpedanceofni-pdepositson PTFE membranewasstudiedbyscanningelectronmicroscopy (SEM),X-raydifraction (XRD),energydispersivespec- troscopy(eds)andelectrochemicalworkstations.thecoatingisuniform,denseandhasgoodperformance.coatingcan improvesignificantlyelectroconductibilityoffluorineplastic.heattreatmentatbetween200 and250 ishelpfultoin- creasethecoatingcrystalizationdegreeandimprovecoatingconductivity.ithasbeencheckedthatthecorrosionresistance ofcoatingisfinethroughthestaticweightlessnesscorrosiontestandelectrochemicaltest. Keywords: electrolessplating ; fluorineplastic; electrochemicalimpedance; electroconductibility; corrosionre- sistance [1] Ni-P [2] [3-4] [5],X Ni-P [6-7] [8] :2011-11-11. : (10876032). : (1987-),,.E-mail:zgmn12@163.com
14 2011 12 1 ( 40mm 40mm 0.1mm) : [9] 1) : 1000 2) :10g/L,10mL/L 15~30, 10 min 3) :0.5g/L,10mL/L, 15~30, 10 min :28g/L,30g/L,15g/L,27g/L,0.1~1.5mg/L,pH 4.4, 82 2 2.1 1, 2,, 2(d) Ni-P 20μm, 250 1h 10 2.2 Ni-P 3 5min, 10min,, 20 min,
,, : 15 3(d), 3(e), 50min, 2.3 Ni-P EDS 4 C H O 3 Ni-P Ni 74.62 %,P 7.05 % 5 Ni-P X 5, 2θ= 31.8,37.2,41.6 Ni-P 2θ= 44.6,, 2.4 C F ( a) Ni-P ( b) 1) 1 a b 10 %H 2SO 4, /h 5 10 15 20 25 1,15h a a /g a b b /g 0.0426 0.0553 0.0622 0.0625 0.0625 0.0005 0.0008 0.0017 0.0031 0.0055 1
16 2011 12 Ni-P 2)Tafel a b 10% H 2SO 4 0.005V/s, Tafel, 6, 2 2 a -518.0mV, b -376.8mV 141.2mV; b 31.62μA/cm 2, a 574.4μA/cm 2 542.8μA/cm 2 a 68.8 Ω cm -2 b 1927.9Ω cm -2, 1859.1Ω cm -2 Ni-P 2 Tafel Ecorr/mV icorr/( μ A cm -2 ) R p /(Ω cm -2 ) a -518.0 574.4 68.8 b -376.8 31.62 1927.9 2.5 1) 7 a Nyquist 10% H 2SO 4 10d b 200 15 min 2),,Ni-P 8 100~200, 200~400 400~500 500,,, (260 ) 200~250 3 a.,, Ni-P
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