V2EX passivation

Passivation

释义 Definition

钝化;钝化作用:指金属或材料表面形成一层很薄、致密、稳定的保护膜(常见为氧化膜),从而降低其化学反应活性,使其更不容易被腐蚀或进一步反应。常用于不锈钢、铝、钛等材料的防腐与表面处理语境。(在不同学科里也可引申为“使变得不活泼/不易反应”的过程。)

发音 Pronunciation (IPA)

/psven/

例句 Examples

Passivation helps stainless steel resist rust.
钝化作用帮助不锈钢抵抗生锈。

After the acid treatment, the parts underwent passivation, forming a protective film that reduced corrosion in seawater conditions.
酸处理之后,这些零件进行了钝化,在表面形成保护膜,从而在海水环境下减少腐蚀。

词源 Etymology

来自 passivate(使……钝化),其构词与拉丁语 passivus(“被动的、不主动起反应的”)有关;后缀 -ation 表示“过程/作用”。整体含义可理解为“让表面变得更不易发生反应的过程”。

相关词 Related Words

文学与作品 Literary Works

  • Corrosion Engineering(Mars G. Fontana):讨论金属腐蚀机理与防护方法时频繁出现“passivation”。
  • Principles and Prevention of Corrosion(Denny A. Jones):在电化学与不锈钢防护章节中使用该词解释钝化膜的作用。
  • ASTM 标准与技术文献(如不锈钢表面处理相关标准):常用 “passivation” 描述工艺与验收要求。
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