Meng-zhen ZHU , Jing-lei MIAO , Xiong-wen ZHOU , Er-lin ZHANG , Zhi-lin LIU , Hai-lin YANG
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Abstract
The corrosion resistance and antibacterial properties of Ti−3Cu alloy prepared by selective laser melting were evaluated using electrochemical experiments and a variety of antibacterial characterization. It is found that the charge transfer resistance of Ti−3Cu alloy was 4.89×105 Ω·cm2 which was doubled the data obtained by CP-Ti alloy. The antibacterial rates of Ti−3Cu alloy against S. mutans and P. gingivalis were 45.0% and 54.5%. And the antibacterial rates increased with the prolongation of cultivation time, reaching up to 62.8% and 68.6%, respectively. The in-situ nano Ti2Cu precipitates were homogeneously distributed in the matrix of the Ti−3Cu alloy, which was the key reason of increasing the corrosion resistance. Additionally, the microscale electric fields between the α-Ti matrix and the Ti2Cu was responsible for the enhancement of the antibacterial properties.
期刊介绍：
The Transactions of Nonferrous Metals Society of China (Trans. Nonferrous Met. Soc. China), founded in 1991 and sponsored by The Nonferrous Metals Society of China, is published monthly now and mainly contains reports of original research which reflect the new progresses in the field of nonferrous metals science and technology, including mineral processing, extraction metallurgy, metallic materials and heat treatments, metal working, physical metallurgy, powder metallurgy, with the emphasis on fundamental science. It is the unique preeminent publication in English for scientists, engineers, under/post-graduates on the field of nonferrous metals industry. This journal is covered by many famous abstract/index systems and databases such as SCI Expanded, Ei Compendex Plus, INSPEC, CA, METADEX, AJ and JICST.
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