V2EX cemented carbide

Cemented Carbide

释义 Definition

硬质合金(又称“胶结碳化物”):一种通过粉末冶金烧结制成的复合材料,通常以碳化钨(WC)等硬质碳化物为主体,并用钴(Co)或镍(Ni)等金属作“粘结相(binder)”将颗粒“胶结”在一起。因其高硬度、耐磨、耐热,常用于刀具、模具、耐磨零件等。

发音 Pronunciation (IPA)

/smn.td kr.bad/

例句 Examples

Cemented carbide is widely used for cutting tools.
硬质合金被广泛用于切削刀具。

Because of its excellent wear resistance, cemented carbide is often chosen for machining hard metals at high speeds.
由于其出色的耐磨性,硬质合金常用于高速加工硬金属材料。

词源 Etymology

cemented 源自 cement(“粘结、胶合”之意),在材料语境中强调“用粘结相把颗粒固定在一起”。carbide 来自 carbon(碳)+ 后缀 -ide(表示化合物),指“碳化物”。合起来的 cemented carbide 就是“被粘结相胶结起来的碳化物复合材料”。

相关词 Related Words

文献与著作 Literary / Notable Works

  • ASM Handbook, Volume 16: Machining(涉及硬质合金刀具与加工应用)
  • Machinery’s Handbook(机械加工与刀具材料章节常提及硬质合金)
  • Introduction to Powder Metallurgy(粉末冶金教材中常以硬质合金作典型材料案例)
  • Materials Science and Engineering: An Introduction(材料科学教材在硬度、陶瓷/复合材料与加工材料部分可能提到硬质合金)
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