材料导报
材料導報
재료도보
MATERIALS REVIEW
2009年
14期
99-101,112
,共4页
胡佳%方亮%唐安琼%李赟
鬍佳%方亮%唐安瓊%李赟
호가%방량%당안경%리빈
铝合金%化学镀%Ni-Co-P合金%镀层性能
鋁閤金%化學鍍%Ni-Co-P閤金%鍍層性能
려합금%화학도%Ni-Co-P합금%도층성능
Al alloy%electroless plating%Ni-Co-P alloy%performance of the coating
研究了铝硅合金基体化学镀Ni-Co-P镀层的工艺对镀层性能的影响.通过正交试验,得出镀液pH值、硫酸镍、硫酸钴以及次磷酸钠的含量对镀层厚度、硬度和成分的影响规律,发现增大镀液pH值和增加硫酸镍含量、次磷酸钠含量适中、降低硫酸钴含量,有利于增加镀层膜厚;增大镀液pH值、硫酸镍和次磷酸钠含量适中、降低硫酸钴含量,有利于提高镀层硬度.
研究瞭鋁硅閤金基體化學鍍Ni-Co-P鍍層的工藝對鍍層性能的影響.通過正交試驗,得齣鍍液pH值、硫痠鎳、硫痠鈷以及次燐痠鈉的含量對鍍層厚度、硬度和成分的影響規律,髮現增大鍍液pH值和增加硫痠鎳含量、次燐痠鈉含量適中、降低硫痠鈷含量,有利于增加鍍層膜厚;增大鍍液pH值、硫痠鎳和次燐痠鈉含量適中、降低硫痠鈷含量,有利于提高鍍層硬度.
연구료려규합금기체화학도Ni-Co-P도층적공예대도층성능적영향.통과정교시험,득출도액pH치、류산얼、류산고이급차린산납적함량대도층후도、경도화성분적영향규률,발현증대도액pH치화증가류산얼함량、차린산납함량괄중、강저류산고함량,유리우증가도층막후;증대도액pH치、류산얼화차린산납함량괄중、강저류산고함량,유리우제고도층경도.
The influence of electroless plating process parameters on the performances of Ni-Co-P coating on a hyper-eutectic Al-Si casting alloy is studied by orthogonal experiment. The effects of process parameters, such as pH and the component in electroless plating bath on the performance of Ni-Co P layer, such as the thickness and hard-ness,have been obtained. It is indicated that the thickness of Ni-Co P electroless plated layer increases with the increase of pH and the NiSO4 · 6H2O concentration, the moderate NaH2PO2 · H2O concentration, and the decreasing of the CoSO4· 7H2O concentration. The hardness of coating can be increased by increasing pH, using the moderate NiSO4 · 6H2O concentration and NaH2 PO2· H2O concentration, and decreasing the COSO2 · 7H2O concentration.
