Engine Valve Seat and Insert Wear
Engine Valve Seat and Insert Wear
- New search for: Barber, G. C.
- New search for: Larson, J. M.
- New search for: van Diesel, R.
- New search for: Narasimhan, S. L.
- New search for: Barber, G. C.
- New search for: Larson, J. M.
- New search for: van Diesel, R.
- New search for: Narasimhan, S. L.
In this investigation, worn valve seats and inserts have been examined to obtain a fundamental understanding of the primary wear mechanisms. Seats and inserts from a wide variety of engines were studied using optical and electron microscopy. The recessed region on seats and inserts displayed a common feature which can be described as a series of ridges and valleys formed circumferentially around the seat axis. These ridges and valleys were found to be due to either a relatively severe gouging process or to a milder deformation and wearing process. These processes were related to assembly and product geometry factors which caused misalignment between the seats and inserts.
Document information
Engine Valve Seat and Insert Wear
Sae Technical Papers
1989 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1989
1989-09-01
Conference paper
English
Optics , Valves , Microscopy , Assembling , Wear , Seats and seating
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