
好词典

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。
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。)
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。)