Brine-Induced Tribocorrosion Accelerates Wear on Stainless Steel: Implications for Mars Exploration

IF 1.6 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS
J. Martín‐Torres, M. Zorzano‐Mier, E. Nyberg, A. Vakkada-Ramachandran, A. Bhardwaj
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引用次数: 1

Abstract

Tribocorrosion is a degradation phenomenon of material surfaces subjected to the combined action of mechanical loading and corrosion attack caused by the environment. Although corrosive chemical species such as materials like chloride atoms, chlorides, and perchlorates have been detected on the Martian surface, there is a lack of studies of its impact on materials for landed spacecraft and structures that will support surface operations on Mars. Here, we present a series of experiments on the stainless-steel material of the ExoMars 2020 Rosalind Franklin rover wheels. We show how tribocorrosion induced by brines accelerates wear on the materials of the wheels. Our results do not compromise the nominal ExoMars mission but have implications for future long-term surface operations in support of future human exploration or extended robotic missions on Mars.
盐水引发的摩擦腐蚀加速不锈钢磨损:对火星探测的启示
摩擦腐蚀是材料表面在机械载荷和环境腐蚀共同作用下的退化现象。尽管在火星表面已经检测到氯原子、氯化物和高氯酸盐等腐蚀性化学物质,但缺乏对其对着陆航天器材料和支持火星表面操作的结构的影响的研究。在这里,我们对ExoMars 2020 Rosalind Franklin火星车车轮的不锈钢材料进行了一系列实验。我们展示了盐水引起的摩擦腐蚀如何加速车轮材料的磨损。我们的研究结果并没有影响名义上的ExoMars任务,但对未来的长期表面操作有影响,以支持未来人类在火星上的探索或扩展机器人任务。
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来源期刊
Advances in Astronomy
Advances in Astronomy ASTRONOMY & ASTROPHYSICS-
CiteScore
2.70
自引率
7.10%
发文量
10
审稿时长
22 weeks
期刊介绍: Advances in Astronomy publishes articles in all areas of astronomy, astrophysics, and cosmology. The journal accepts both observational and theoretical investigations into celestial objects and the wider universe, as well as the reports of new methods and instrumentation for their study.
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