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| A short review of antibacterial Cu-bearing stainless steel: antibacterial mechanisms, corrosion resistance, and novel preparation techniques |
| Shuai Liu1, Han-jie Guo2 |
1 School of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China
2 Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, University of Science and Technology Beijing, Beijing 100083, China |
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Abstract Cu-bearing stainless steel is widely used in the fields of food, medical and household sanitary equipment because of its surface finish and corrosion resistance. However, the growth of bacteria on stainless steel leads to the formation of biofilms, which causes corrosion. Therefore, the antibacterial property of stainless steel is a worthy research topic. Reviews of breakthroughs in the field of corrosion resistance and antimicrobial properties are still lacking. Herein, due to the scarcity of publications on the antibacterial mechanisms and processing methods of antibacterial Cu-bearing stainless steel, we review the current state of relevant research and progress. The toxicity of Cu, corrosion resistance mechanism of stainless steel, and antibacterial mechanism and preparation method of antibacterial stainless steel are reported. In addition, alloying, surface modification and other methods are found to have limitations in balancing the toxicity and antibacterial properties of copper and the relationship between the antibacterial properties and corrosion resistance of Cu-bearing stainless steel. A new preparation method of antibacterial stainless steel associated with selective laser melting (SLM) is proposed. SLM is becoming a powerful additive manufacturing technology that can be used to manufacture customized and complex metals. The research status of SLM applied in antibacterial stainless steel preparation is described. Finally, the future research direction of Cu-bearing antibacterial stainless steel is discussed.
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Received: 21 August 2022
Published: 25 January 2024
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| Cite this article: |
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Shuai Liu,Han-jie Guo. A short review of antibacterial Cu-bearing stainless steel: antibacterial mechanisms, corrosion resistance, and novel preparation techniques[J]. Journal of Iron and Steel Research International, 2024, 31(1): 24-45.
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2024, Vol. 31 
