Physical and chemical bases of estimation previous to defect states steel components at fatigue loading

Abstract

The article demonstrates that during operation under the influence of static or alternating loads is changed physical and chemical properties of the steel, which leads to increased fragility. A new approach to assess of previous to defect the state steel components on the basis of changes in the structural looseness. On the basis of monitoring structural changes in metals during their operation may be effective system of residual life assessment.

Keywords

• циклическая нагрузка
• структура
• гистерезис
• диффузия
• диагностика