增强含铜钢对蜡样芽孢杆菌的抗微生物应力腐蚀能力

IF 6.6 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

npj Materials Degradation Pub Date : 2024-04-06 DOI:10.1038/s41529-024-00452-y

Bo Liu, Fangyuan Lu, Shidong Zhu, Cuiwei Du, Xiaogang Li

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引用次数: 0

摘要

众所周知，微生物会导致局部腐蚀和应力腐蚀开裂（SCC），严重危害材料的使用安全。铜可以增强材料的抗菌功能，降低氢脆（HE）的脆弱性。然而，究竟多少铜含量才能产生最佳的抗微生物腐蚀和抗应力裂纹（SCC）性能，这就成了一个难题。在此，我们对管线钢中的铜含量进行了调整，以获得对硝酸盐还原菌蜡样芽孢杆菌的最佳抗菌效果和抗氢脆的能力。这些发现为如何设计和制备既能抗微生物腐蚀又能抗 SCC 的钢材提供了新的视角。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Enhancement resistance to microbiologically influenced stress corrosion of Cu-bearing steel against Bacillus cereus

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Enhancement resistance to microbiologically influenced stress corrosion of Cu-bearing steel against Bacillus cereus

Microorganisms are notoriously known to cause local corrosion and stress corrosion cracking (SCC), which seriously endangers the materials service safety. Cu can enhance antibacterial function of the material and reduce the vulnerability to hydrogen embrittlement (HE). However, the dilemma of how much Cu content generates the best resistance to microbiological corrosion and SCC arises. Here, we modified the Cu content in pipeline steel to obtain the best antibacterial effect to nitrate reducing bacteria Bacillus cereus and HE resistance. The findings offer a fresh perspective on how to design and prepare a steel that are both resistant to microbiological corrosion and SCC.

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来源期刊

npj Materials Degradation MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

7.80

自引率

7.80%

发文量

审稿时长

6 weeks

期刊介绍： npj Materials Degradation considers basic and applied research that explores all aspects of the degradation of metallic and non-metallic materials. The journal broadly defines ‘materials degradation’ as a reduction in the ability of a material to perform its task in-service as a result of environmental exposure. The journal covers a broad range of topics including but not limited to: -Degradation of metals, glasses, minerals, polymers, ceramics, cements and composites in natural and engineered environments, as a result of various stimuli -Computational and experimental studies of degradation mechanisms and kinetics -Characterization of degradation by traditional and emerging techniques -New approaches and technologies for enhancing resistance to degradation -Inspection and monitoring techniques for materials in-service, such as sensing technologies