V2EX ferrite

Ferrite

释义 Definition

ferrite(铁氧体):一种以氧化铁为主要成分的陶瓷类磁性材料,通常呈铁磁性亚铁磁性,常用于电感、变压器磁芯、天线、EMI 抑制磁环等。日常工程语境里也常指“铁氧体磁芯/磁珠”。(在冶金学中 ferrite 也可指钢铁中的“铁素体”,此处以更常见的电子材料义为主。)

发音 Pronunciation

/frat/

例句 Examples

Ferrite cores reduce noise in power supplies.
铁氧体磁芯可以降低电源中的噪声。

The engineer chose a ferrite material with low losses at high frequency to improve the transformer’s efficiency.
工程师选择了在高频下损耗较低的铁氧体材料,以提高变压器的效率。

词源 Etymology

来自拉丁语 ferrum(“铁”)相关词根 *ferr-*,后缀 -ite 常用于表示“矿物/材料”。因此 ferrite 字面含义可理解为“与铁有关的一类矿物或材料”,在现代科技语境中多指“铁氧体”磁性陶瓷材料。

相关词 Related Words

文学与著作 Literary Works

  • Introduction to Magnetic Materials(B. D. Cullity & C. D. Graham):讨论铁氧体等磁性材料的性质与应用。
  • Soft Ferrites: Properties and Applications(E. C. Snelling):专门介绍软磁铁氧体材料与工程应用。
  • The Art of Electronics(Paul Horowitz & Winfield Hill):在电路实践中提及铁氧体磁珠/磁芯等器件用法。
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