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一种新的高性能烧结材料已被用作内燃机的气门导管。这种材料由Fe-Cu-Sn-P-C石墨的合金所组成,其中含有游离石墨,Fe-P-C硬相和孔隙。这种材料具有良好的耐用性和切削性。
A new high-performance sintered material has been used as a valve guide for internal combustion engines. This material consists of an alloy of Fe-Cu-Sn-P-C graphite with free graphite, Fe-P-C hard phases and pores. This material has good durability and machinability.