دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the state of having rigidity but little tensile strength. Compare toughness.

n: 1. any compound characterized by the presence of a reactive chemical structure that has an oxygen atom joined to each of two carbon atoms that are already bonded.2. any of various resins capable of forming tight cross-linked polymer structures characterized by toughness, strong adhesion, and high corrosion and chemical resistance. Epoxys are used extensively as coatings and adhesives.

a resin formed by reaction of polyols with epichlorohydrin.

n: measure of steels ability to withstand a crock or flaw without fracturing. It can be altered by changing chemical composition, microstructure, and heat treatment. Also called ductility. Compare brittleness.