V2EX bainite

Bainite

释义 Definition

贝氏体:钢在一定温度范围内由奥氏体转变形成的一种显微组织,通常呈针状或羽毛状结构;其强度与韧性常介于珠光体马氏体之间。(在材料学中常讨论“上贝氏体/下贝氏体”等类型。)

发音 Pronunciation

/benat/

例句 Examples

Bainite can improve a steel’s strength without making it too brittle.
贝氏体可以提高钢的强度,同时不至于让它变得过脆。

After austempering, the microstructure contained a fine bainite that provided a good balance of toughness and wear resistance.
经过等温淬火后,显微组织中形成了细小的贝氏体,使材料在韧性与耐磨性之间取得良好平衡。

词源 Etymology

bainite 源自人名 Edgar C. Bain(埃德加C贝恩),他是研究钢铁相变与热处理的重要冶金学家;加上材料名称常见后缀 -ite(表示“某种矿物/组织/物质”),构成“贝恩所研究/命名的组织”之意。

相关词 Related Words

文学与经典著作中的用例 Literary Works

  • Steels: Microstructure and Properties(Harry Bhadeshia & Robert Honeycombe)多处讨论 bainite 的形成机制与性能影响。
  • Phase Transformations in Metals and Alloys(David A. Porter & Kenneth E. Easterling)在钢的相变章节中系统使用并解释 bainite
  • Metallography and Microstructures(ASM Handbook, Volume 9)在显微组织识别与案例中频繁出现 bainite
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