好词典

carbides

UK //ˈkɑːbaɪdz//US //ˈkɑːrbaɪdz//

词源

源自carbon(碳)+ -ide(化学后缀,表示二元化合物),19世纪中期进入英语。

noun

❶ 碳化物,指碳与金属或非金属元素形成的化合物,通常硬度高且耐高温,常见于工业材料中。

“Tungsten carbides are widely used in cutting tools due to their extreme hardness.”

(碳化钨因其极高的硬度被广泛用于切削工具。)

“The drill bit is coated with silicon carbide to enhance durability.”

(钻头涂有碳化硅以增强耐用性。)

同义词:carbon compounds, metallic carbides, binary compounds

常见短语

cemented carbides — 硬质合金,指将碳化钨等硬质颗粒用金属粘结剂烧结而成的超硬材料,常用于机械加工。

“The lathe tool uses cemented carbides to machine stainless steel efficiently.”

(车刀采用硬质合金以高效加工不锈钢。)