AZ31镁合金表面复合镀膜工艺研究.pdf

真空科学与技术学报 第28卷增刊 CHINESEJOURNALOFVACI兀fM9口[ENCEANDTECHNOLOGY 2008年5月 AZ31镁合金表面复合镀膜工艺研究 王兆松1 李剑绎张礼平1 夏元化1董 闯1 李国卿1。 (1．大连理工大学三束材料表面改性试验室大连116024；2．大连交通大学大连116028) ProceduresofAZ31 Growing AlloyCoatings Magnesium WangZhaosongI，Li．『i觚耐，弛／Apin91，XiaYuanhual，DongChuan91，Li娜ngH andElectron (1．State脚laboratoryforMaterials胍通知伍如n够Laser，IonBeams，Da／妇,t‰毋 116024，Ch／na；2．Da／／an 116028，Ch／na) ofTechndogy，Da／ian J／aotong‰毋，Da／／an Abstract were in seriesof electro- TheAZ31 a magnesiumcoatingsdeposited coatingsteps consecutively，including of of ion ofCr／CrNOil substrates． galvanizing，electrolessplatingNi，electroplafingcopper，arcplating magnesiumalloy The werecharacterizedwith electron resultsshow diffraction(XRD)and coatings X-my scanning microscopy(SEM)．The that c旧tnbe with obtained inteffacial hi【gh coatings includingcompactness，strongadhesion，andhigh quahty sn℃ngtlls from hardnessand colTl治ionresistance．Itsofthemicro-hardness71HKto2225HK．anditscorro· good gradient range8 sionresistance itscorrosion from一1481 mVto一382mVina3．5％NaClsolution． improves。with potentialincreasing ion Ni KeywordsMagnesiumalloy，Arc CrN，Corrosion