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近五、六年来,国外复合摩擦材料的研制没有取得明显的进展。大多数科研人员主要是在二种基础成份上进行探索:铜基(多为锡青铜基)和铁基。(见下表) 粉末摩擦材料的典型成份及性能
Nearly five or six years, the foreign compound friction material development has made no significant progress. Most researchers mainly explore two basic elements: copper (mostly tin bronze) and iron-based. (See table below) Typical composition and properties of powder friction materials