High carbon, high chromium nickel and cobalt base alloys as well as intermetallic compound- type cobalt base alloy are the major valve seat insert (VSI) materials for heavy duty engine applications. Recently, several new valve seat insert alloys were successfully developed to replace these traditional nickel and cobalt base alloys. Experiments indicate that these new alloys provide similar or improved important properties, such as sliding wear resistance and hot hardness, and offer significant cost reduction compared to traditional alloys.
Recent Developments in Valve Seat Insert Alloys
Sae Technical Papers
International Off-Highway & Powerplant Congress & Exposition ; 1998
14.09.1998
Aufsatz (Konferenz)
Englisch
Drag , Valves , Cobalt alloys , Alloys , Chromium , Nickel , Wear , Seats and seating
Recent developments in valve seat insert alloys
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