Влияние структурной неоднородности материала на сопротивление разрушению элементов конструкций

Abstract

The use of stronger steels is the main way of reducing metal consumption of products. However this enhances the risk of brittle fracture of a structure. Cracktoughnesscanbereduced, e.g., byincreasingthe structural homogeneity of the material thus making it stronger. Thisis verified by modellingandnon-standard testing of some engineering materials, the results being useful for solving the problem of increasing the functional reliability of machines.