A new cobalt-free alloy for exhaust valve seat inserts was developed from Fe-Cr-C, Fe-Mo-Si particles. The resulting alloy provides sufficient wear resistance in conventional engines, is free of both cobalt and lead, maintains good machinability, and reduces production cost.
Cobalt-free P/M valve-seat insert alloy has high hardness
Advanced Materials & Processes ; 162 , 6 ; 58-60
2004
3 Seiten
Article (Journal)
English
The development of a cobalt-free exhaust valve seat insert
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