Study on Antibacterial Properties of SUSXM7 Cu- Bearing Austenitic Stainless Steel

Yan Mei Zhang; Kang Qin; Qing Ping Du; Jia Qiang Huang; Ge Guo Shuai; Xiao Hua Jie

doi:10.4028/www.scientific.net/AMR.652-654.997

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 652-654Study on Antibacterial Properties of SUSXM7 Cu-...

Study on Antibacterial Properties of SUSXM7 Cu- Bearing Austenitic Stainless Steel

Abstract:

SUSXM7 Cu-bearing austenitic stainless stee1 was conducted with special antibacterial heat treatment and antibacterial properties of the steel were studied. The experimental results show that a suitable amount of ε-Cu phases can precipitate from the matrix of SUSXM7 steel after solution treated at 1100 °C and aging treated at 650 - 850 °C. ε-Cu phases are granular with diameter of 100 - 200 nm. SUSXM7 Cu-bearing austenitic stainless steels possess excellent antibacterial properties. Antibacterial rates against two typical bacteria of Escherichia coli and Staphylococcus aureus surpass 99.0％ and are basically equal to that of Cu-bearing austenitic antibacterial stainless steel researched widely now.

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

997-1001

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.997

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Online since:

January 2013

Authors:

Yan Mei Zhang, Kang Qin, Qing Ping Du, Jia Qiang Huang, Ge Guo Shuai, Xiao Hua Jie

Keywords:

Antibacterial Properties, Antibacterial Stainless Steel, SUSXM7, ε-Cu

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