4 1 5 Vol 41 No 5 2 0 1 2 1 0 Journal of Shanghai Normal University Natural Sciences Oct 2 0 1 2 200240 对导电塑料沙丁镍镀层的耐腐蚀性进行分析, 通过电化学试验, 分析了不同工艺的沙丁镍镀层在 3 5% NaCl 溶液中的腐蚀行为 结果表明 : 沙丁镍由于其工艺特性, 镀层表面存在 有机膜, 膜对耐腐蚀性有一定影响, 随着沙剂用量增加, 沙丁镍镀层色度降低, 镀层微观表面变 得较粗糙, 耐腐蚀性随之降低 电镀 ; 沙丁镍 ; 耐腐蚀性 TB 32 A 1000-5137 2012 05-0506-08 0 1 2 20 60 2-3 3-5 6-7 2006 3 5% NaCl 8 2008 NaCl 9 2012-06-01 1980-1961 -
5 507 3 5% NaCl 1 1 1 ABS Acrylonitrile Butadiene Styrene plastic 15 cm 10 cm - - - - - - - - - - - K6 1 L 0 2 0 4 0 6 ml 3 1 2 KEYENCE VK - X200 GB /T6462-2005 15 μm 1 3 3 5% NaCl Autolab PG - STAT302 2 cm 2-20 ± 1 LSV - 0 5 V + 0 5 V 1 mv /s 100 khz ~ 0 01 Hz ± 10 mv 2 2 1 1 1 1 ml 2 2 0 2 ml 0 6 ml μm 0 2 18 15 10 91 5 63 0 4 19 21 9 93 6 95 0 6 18 55 9 95 5 64 0 4 ml 1 100 1000 2 3 LSV 3 5% NaCl 2
508 2012 1 2 0 4 ml 0 2 0 6 ml 3 0 4 ml 0 2 ml 0 4 ml 0 6 ml Tafel 0 2 ml 0 6 ml 2 3 5% NaCl
5 509 2 ml Eocp V icorr μa Icorr μa /cm 2 Rp /Ω Corrosion rate μm /y 0 2-0 167 0 508 0 2538 3464 2 792 0 4-0 285 0 893 0 4465 8853 4 911 0 6-0 148 1 107 0 5536 2304 6 089 2 4 3 5% NaCl 0 4 16 24 h 3 0 2 ml Nyquist 4 Rs Rf Rcorr Qf Qd CPE 3 0 2 ml 3 5% NaCl Nyquist 4 3 Rp n 16 h 2 3 0 2 ml 3 5% NaCl x h Eocp V Rp Ω cm 2 Rs Ω cm 2 CPE F /cm 2 n 0-0 170 6 71 10 3 1 78 3 11 10-5 0 8025 4-0 167 5 89 10 3 1 28 9 12 10-5 0 7190 4 46 10 3 3 91 2 64 10-5 0 7737 16-0 183 2 13 10 4 3 80 4 73 10-5 0 6718 24-0 180 5 91 10 4 4 72 3 98 10-5 0 8060 5 bode 0 h Bode 4 h Rp 16 h bode 10 Hz 24 h 16 h
510 2012 5 0 2 ml 3 5% NaCl Bode 0 4 ml 3 5% NaCl Nyquist bode 6 4 7 6 0 4 ml 3 5% NaCl Nyquist 4 0 4 ml 3 5% NaCl x h Eocp V Rp Ω cm 2 Rs Ω cm 2 CPE F /cm 2 n 3 53 10 3 3 40 2 89 10-5 0 7441 0-0 231 5 35 10 4 3 01 10 1 3 35 10-5 0 7717 4-0 154 7 29 10 3 3 97 5 33 10-6 0 8109 4 10 10 3 2 42 1 18 10-5 0 7737 16-0 196 3 03 10 4 3 62 2 36 10-5 0 7174 24-0 140 5 14 10 3 2 65 1 78 10-5 0 7740 0 h Bode 1 Hz 4 h Bode 5 33 10-6 F /cm 2 16 h Bode 10 Hz
5 511 3 03 10 4 Ω cm 2 1 18 10-5 F /cm 2 24 h Bode 1 78 10-5 F /cm 2 7 0 4 ml 3 5% NaCl Bode 0 6 ml 3 5% NaCl Nyquist bode 8 5 9 8 0 6 ml 3 5% NaCl Nyquist 5 0 6 ml 3 5% NaCl x h Eocp V Rp Ω cm 2 Rs Ω cm 2 CPE F /cm 2 n 0-0 150 2 66 10 2 3 39 1 89 10-5 0 7460 7 80 10 3 6 18 10 1 1 89 10-5 0 6711 4-0 132 3 92 10 3 5 15 3 73 10-5 0 8458 16-0 192 8 03 10 2 6 01 7 62 10-6 0 8774 24-0 140 6 36 10 3 4 16 2 16 10-5 0 7374 0 h 2 bode 2
512 2012 4 h Bode 16 h Bode 10 Hz 24 h Bode 9 0 6 ml 3 5% NaCl Bode NaCl 0 2 ml 0 4 ml 0 6 ml 0 2 ml 0 4 ml Rp 0 6 ml n 0 2 ml 24 h 3 1 J 2002 21 1 46-50 2 C / / 2004 2004 3 J 2006 25 1 55-58 4 J 2002 35 1 21-23
5 513 5 SCHULZ K D DAHMS W WEIDE H Satin - finished nickel or nickel alloy coating US 2003159940 P 2003-08 - 28 6 AF - 6 J 2009 29 5 50-52 7 J 2004 36 9 159-164 8 J 2006 25 10 8-10 9 J 2008 37 2 1-7 The study on corrosion resistance of decorative satin nickel plating LU Wen-ya CHENG Xian-hua School of Mechanical Engineering Shanghai Jiao Tong University Shanghai 200240 China Abstract This study examined the corrosion resistance of satin nickel plating on conductive plastic The electrochemical tests were to analyze the corrosion behavior of satin nickel plating with different processes in 3 5% NaCl solution The results show that because the satin nickel plating has an organic film on its surface due to process characteristics the film results in different corrosion resistance By increasing satin additive dosage the nickel plating chroma decreases the micro-surface of the plating becomes rough and the corrosion resistance is followed by decrease Key words electroplate satin nickel plating corrosion resistance ( 责任编辑 : 郁慧 )