V2EX powder-bed

Powder-bed

定义 Definition

powder-bed(名词/形容词,多用于工程语境):指“粉末床”一层被均匀铺开的粉末材料(如金属粉、聚合物粉、陶瓷粉),作为制造或成形的基底;在3D打印中常指粉末床增材制造工艺中的粉末铺层区域(如粉末床熔融、粘结喷射等)。

发音 Pronunciation (IPA)

/padr bd/

例句 Examples

The part is formed layer by layer in a powder-bed.
该零件在粉末床中一层一层成形。

In powder-bed fusion, a laser selectively melts regions of the powder-bed to create dense metal components with complex internal channels.
在粉末床熔融工艺中,激光选择性地熔化粉末床的特定区域,从而制造出具有复杂内部流道的致密金属部件。

词源 Etymology

该词由 powder(粉末)+ bed(床/基底) 组合而成。这里的 bed 并非“睡床”,而是材料加工语境中常见的“铺层基底、承载层”的意思,用来形象描述“像床一样铺开的粉末层”。

相关词 Related Words

文学与文献 Literary Works

  • Additive Manufacturing Technologies(Ian Gibson, David Rosen, Brent Stucker)介绍包括粉末床相关工艺(如粉末床熔融)在内的增材制造原理与应用。
  • Metal Additive Manufacturing: A Review of Mechanical Properties(综述类学术文献中常见表述)在讨论金属粉末床工艺性能、缺陷与致密化机理时频繁使用“powder-bed”。
  • ASTM/ISO 增材制造相关标准文件(如对粉末床熔融工艺的术语定义与流程描述)常以“powder bed / powder-bed”出现于规范性术语与工艺说明中。
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