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多孔塑料又称泡沫塑料,是以合成树脂为基体,加入发泡剂及其它添加剂,经发泡作用形成的一种具有细孔梅绵状结构的...
2024
钨钴合金又称碳化钨-钴硬质合金。按钴含量,可分为高钴(20%~30%)、中钴(10%~15%)和低钴(3%~8%)三类。这类金属陶...
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