超细线弧喷涂德国银涂层的抗菌和杀病毒评估
Seyed Navid Bassam1, Hamidreza Salimijazi1, Sheyda Labbaf1
1Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111 Iran.
概括
德国银涂层为纯铜提供了耐用,抗菌的替代品. 这些涂料在长时间暴露在水中后保持其抗菌功效和外观,在耐磨性和光泽保留性方面表现优于纯铜.
科学领域:
- 材料科学 材料科学 材料科学
- 表面工程是什么?表面工程是什么?
- 微生物学 微生物学
背景情况:
- 纯铜及其合金具有对公共空间有价值的抗微生物特性.
- 然而,纯铜具有较低的耐磨性和快速的光泽损失.
- 不钢是由于其机械性能和稳定的外观而被首选的,但缺乏抗菌功效.
研究的目的:
- 研究德国银 (铜合金) 涂层作为纯铜的优质替代品.
- 评估德国银涂料对抗菌行为的腐蚀和暴露效应.
- 评估这些涂料的长期稳定性和抗菌效率.
主要方法:
- 德国银涂层应用于不同粗度的温钢和不钢基板.
- 涂层样本被浸泡在水浴中长达6个月.
- 分析了微观结构,表面形态,机械特性 (微硬度,粘附性,粗性,可湿性),抗菌活性 (殖民地数量) 和对流感A病毒的杀毒活性.
主要成果:
- 厚度约为130微米的涂层含有15%的孔隙和有柱状颗粒的氧化物.
- 结合强度达到15 MPa,硬度为180 HV,平均表面粗度为10 μm.
- 在6小时内,黄金葡萄球菌和大肠杆菌减少了90%以上,在2小时内对流感A病毒具有高杀毒活性.
- 浸泡在水中6个月后,抗菌性质保持稳定.
结论:
- 热喷涂的德国白银涂层显示出与纯铜相比的优异的抗菌和杀病毒功效.
- 这些涂料在长时间内保持其银色的外观和机械完整性,即使在长时间浸泡水中.
- 德国银涂层为公共应用提供了一个有前途,耐用和美学稳定的抗菌解决方案.
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