The constants in fracture mechanics are fracture toughness(for plane strain),critical value of J—integral,critical value of crack tip opening displacement.Mechanical testing under certain conditions to determine them...The constants in fracture mechanics are fracture toughness(for plane strain),critical value of J—integral,critical value of crack tip opening displacement.Mechanical testing under certain conditions to determine them is used.They are complicated,long and expensive procedures.In practice,it is interesting to determine the constant in fracture mechanics for elements of constructions by means of non-destructive testing(NDT)(non-destructive evaluations,NDE)from Al+3.5%Mg alloys(according EN 1706).展开更多
文摘The constants in fracture mechanics are fracture toughness(for plane strain),critical value of J—integral,critical value of crack tip opening displacement.Mechanical testing under certain conditions to determine them is used.They are complicated,long and expensive procedures.In practice,it is interesting to determine the constant in fracture mechanics for elements of constructions by means of non-destructive testing(NDT)(non-destructive evaluations,NDE)from Al+3.5%Mg alloys(according EN 1706).
