碳钢Ni_P化学镀耐碱性溶液腐蚀性能的研究.pdf

28 N i2P N i2P 1 2 2 1 , , , ( 1. , 102205; 2. , 110168) [ ] , , : 1h, 24h, , 24h, , , [] ; ; ; []TG 174. 4 []A [] 1001- 3660( 2009) 0 1- 0028- 02 Corrosion R esistance ofE lectrolessN i2P Alloy on Carbon Steel in Alkaline Solution 1 2 2 1 LI ANG T in g , SUN J ie , ZH AN G L i2li , J I Zhu ang2zh ou ( 1. Institut ofCh m ical D f ns , B ijing 102205, China; 2. School ofEnvironm ntal and Ch m ical Engin r ing, Sh nyang LigongUn iv rsity, Sh nyang 110 168, Ch ina) [Ab stract] Th corrosion r s arch m thods, wh ich consist of static stat dipping and l ctroch m ical m thods, w r us d to charact r th corrosion r sistanc of th carbon st l cov r dw ith N i2P alloy using l ctrol ss platingm thod in alkalin solution. Itwas shown that th s rious corrosion app ar d on th surfac of th carbon st l wh n dipp d in th alkalin solution aft r 1 hour. Som partsw r p l d off from th substrat wh n dipping in th alkalin solution af2 t r 24 hours. Wh n coat dw ith N i2P alloy, th surfac of th N i2P coatingwas glabrouswh n dipping in th alkalin so2 lution aft r 24 hours. Th carbon coat d with N i2P alloy has a w ll corrosion r sistanc p rformanc in alkalin solution. [Key word s] Carbon st ;l E l ctrol ss p lating; A lkalin solution; Corrosion # 45 , 0 # , , 45 , , [9]