Influence of AAO Treatment Parameters on Characterizations of Surface Pores on 316L Stainless Steel |
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| Authors: | Tang Guangze Wang Yujiang Lin Kaijie Ma Xinxin Sun Mingren State |
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| Affiliation: | Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology,Harbin 150001,China 2 School of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China 3 National Key Laboratory for Remanufacturing,Academy of Armored Forces Engineering,Beijing 100072,China 4 National Key Laboratory of Science and Technology on Precision Hot Processing of Metals,Harbin Institute of Technology,Harbin 150001,China |
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| Abstract: | Recently a new kind stent,porous drug-eluting stent,has been developed to overcome the problems of bare metal stent(BMS)and drug-eluting stent(DES),and the clinic results reveal that it combined the advantage of BMS and DES.In this paper,a new method to fabricate surface pores on 316L stainless steel stent using anodic oxidation of aluminum mask film deposited by magnetron sputtering on 316L substrate was reported.The effect of experimental parameters,such as anodization time,anodization voltage,anodization solution and anodization temperature,on the pores’size distribution and density are investigated using SEM.It is found that the pores characterizations strongly depend on anodization time and pores expanding rate through AAO films and on stainless steel surface. |
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| Keywords: | 316L stainless steel surface micro-pores anodic oxide aluminum |
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