APPLICATION OF FE3AL INTERMETALLIC PHASE FILLER METAL IN VALVE SEATING FACE HARD FACING
Journal: Scientific Journal of Silesian University of Technology. Series Transport (Vol.119, No. 119)Publication Date: 2023-06-01
Authors : Bożena SZCZUCKA-LASOTA Tomasz WĘGRZYN Piotr CYBULKO;
Page : 257-265
Keywords : engine; valve; intermetallic phase;
Abstract
The exhaust valve seat face is a surface that degrades slowly as a result of mechanical and thermal stresses. There is extensive research on new materials for valves and for the improvement of valve production technology. This paper discusses the method of obtaining a filler metal made of Fe3Al intermetallic phase and the method of TIG hard-facing on a valve seating face made of H9S2 steel, evaluating the effects of essential hard-facing parameters. The resulting hard-facing build up was assessed in terms of quality using industrial radiography testing (RT).
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Last modified: 2023-06-09 16:15:43