7. Typologies of diagnostic methods

The term diagnosis comes etymologically from the combination of two Greek terms dia-par and gnoses-knowledge. In its general sense, diagnosis consists in deducing knowledge from observable symptoms . Diagnosis of the failure mechanisms of materials used in industrial equipment calls for specific methods, as the causes must be identified at the level of atomic, molecular or macromolecular structures, rather than at the level of the smallest component making up the equipment. For machine condition monitoring...