高速高稳定性化学镀镍工艺.pdf

　　材料工程1998年7期 高速高稳定性化学镀镍工艺 T he E lectro less P lating P rocess fo r N ickel w ith H igh D epo siting Sp eed and Stab le E lectro lyte 李松梅　关山　胡如南 (北京航空航天大学) 　 　 ( ) L i Songm ei Guan Shan H u R unan Beijing U n iversity of A eronau tics and A stronau tics [ 摘要 ] 　研究了化学镀镍液中主盐、还原剂、络合剂、加速剂等各种组分对镀速的影响, 确定了工艺 条件, 研制了 化学镀镍新工艺。采用该工艺, 2 平均镀速可达25 , 镀液寿命可达7 个周期以上。采 BH h m h 用 EDA X 方法测定了镀层磷含量, X 射线衍射图表明镀层为典型的非晶态结构, 性能检测表明: 镀层有较高 的硬度和好的耐磨性, 耐蚀性优于1 18 9 不锈钢。 C r N i T i 　　关键词　化学镀镍　镀速　耐磨性　稳定性 [ Abstract ] 　T he effect of the constituents of the nickel p lating so lution w ere studied , ie the nick el salt , reducting agent , comp lexing agent and accelerating agent ect on the depo siting rate T he p ro cessing p rocedure w as determ ined and a new type BH electro less nickel p lating p rocedure w as selected , 25 succesfully W ith th is p rocessing p rocedure the depo site rate can reach m h and over T he life tim e of the so lution can last mo re than 7 periods T he pho spho r content w as analyzed w ith an EDA X at tached to a SEM T he result abtained from the X ray diffraction analyzer show ed that the partern of the depo sited layer w as a typ ical non crytal structure T he exam ination of the depo sit p roperties indi cated that the hardness and the abrasion resistance of the depo sit w ere relative h igh , the co rro sion resis