Application of Reconstitution Technique on Performance Evaluation of Anchor Bolts

Abstract

The impact property of a high-strength grade 42CrMoE alloy steel was investigated under varied insert lengths using reconstitution method. A new full-field strain measurement method was employed to explore the plastic deformation region of the steel. Meanwhile, in order to quantitatively examine the insert length influence, an instrumented impact method was proposed to analysis the impact property. The results have successfully demonstrated that inserts equal to or larger than 20 mm can be used to obtain valid data for 42CrMoE.