Lisin Metallurgical Services
Description: Lisin Metallurgical Services is full service metallurgical consulting firm based in Portland Oregon specializing in failure analysis and materials consulting.
consulting (24511) portland (3261) sem (2120) defect (84) failure analysis (84) lisin metallurgical (2) scanning electron (2) metallurgy metallurgical (2)
Interdendritic shrinkage porosity in a Stellite 6 investment casting. Shrinkage porosity can act as a stress concentration and can promote fracture initiation.
Fatigue fracture of a 6 in diameter rock drill bit. Opposing fracture initiation sites indicate failure as a a result of repeated reversed bending.
Wet fluorescent magnetic particle indications of heat checking in a gray cast iron brake drum. We routinely use non-destructive inspection methods to evaluate components.
Lisin Metallurgical Services