Abstract
This chapter discusses the research and development activities in the field of fractured mechanics (F.M.) in Hungary. In Hungary, a special way of approach to fracture problems has been chosen in the early part of the 50s. Crack initiation in relatively plastic materials has been characterized with the absorbed specific energy till fracture (ASPEF). Later on, it was shown that ASPEF can be related to other concepts more often used in fracture mechanics. In the near future, it is intended to apply the method to special cases as welding defects or radiation damage. More conventional methods to measure fracture mechanics characteristics and fatigue data for both high and low range are applied too, mainly for plain- and low-alloy steels and Al-alloys. The relation between fatigue and fracture behavior is examined by different ways. The activity in Hungary on this field is mainly restricted to experimental work and to material testing. Very little has been done on the theoretical side or at the application of fracture mechanics concepts in the practice. It seems, however, that experts ought to apply fracture mechanics calculations very soon in connection with pressure vessels, power station drums, nuclear reactors and pipe lines.
Published Version
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