METHOD AND APPARATUS FOR IMPACT TESTING OF BEND SPECIMEN

摘要

Disclosed is a method and an apparatus for testing of impact toughness of a bend specimen (1) having a notch or similar in a middle portion thereof. According to the invention the specimen (1) is supported by a rigid support in a middle area at the opposite side of the specimen with respect to the notch, and is hitted from the notched side at two points, positioned on each side of the middle area, with hammer means (3) comprising two spaced-apart hitting edges (4). The hammer means may be of pendulum type and mounted for pivotal movement around a horizontal axis positioned above said specimen.