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Effect of Zincate Treatment of As-Cast AZ91 Mg Alloy on Electrodeposition of Copper in a Copper Pyrophosphate Bath 원문보기

한국표면공학회지 = Journal of the Korean institute of surface engineering, v.49 no.5, 2016년, pp.401 - 407  

Nguyen, Van Phuong (Korea Institute of Materials Science) ,  Park, Min-Sik (KMW Inc.) ,  Yim, Chang Dong (Korea Institute of Materials Science) ,  You, Bong Sun (Korea Institute of Materials Science) ,  Moon, Sungmo (Korea Institute of Materials Science)

Abstract ▼ AI-Helper 아이콘AI-Helper

In this work, effect of zincate treatment of AZ91 Mg alloy on the following electrodeposition of copper was examined in a non-cyanide bath containing pyrophosphate ions in view of surface morphology and adhesion of the electrodeposited copper layer. Without zincate treatment, the electrodeposited co...

주제어

#Mg alloy   #Copper plating   #Electroplating   #AZ91 Mg alloy   #Pyrophosphate   #Zincate treatment  

AI 본문요약
AI-Helper 아이콘 AI-Helper

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대상 데이터

  • The surface and cross-sectional morphologies were observed by an optical microscope (OM, Hirox, Japan). Photographs showing the surface appearances of electroplated samples were taken using a Canon S95 digital camera. The weight of AZ91 sample with and without zincate treatment was first measured before immersion and then it was measured again after immersion for 1 min in the copper pyrophosphate bath at OCP (open-circuit potential) and 55℃ and removing a Cu layer deposited by galvanic displacement.

이론/모형

  • The adhesion of copper layer on AZ91 Mg alloy with different electrodeposition times was assessed by tape test according to ASTM D3359 [24] and the results were given in Fig. 7. It was observed that the electrodeposited copper layer on AZ91 Mg alloy after zincate treatment exhibits good adhesion with no detachment of copper flakes, irrespective of the electrodeposition time.
  • The surface roughness of the coating was measured by Surftest SJ-400 (Mitutoyo, Japan). The adhesion of the electrodeposited copper layer was tested by tape test method according to ASTM D3359 standard [24]. The coated samples were scratched both vertically and horizontally, with a tool holding 11 cutting blades, with 1 mm separation from each other; thus leaving 100 small squares of 1 mm2 area.
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참고문헌 (26)

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