High temperature tensile properties and fracture characteristics of bimodal 12Cr-ODS steel

This article describes the tensile properties and fracture characteristics of a 12Cr oxide dispersion strengthened (ODS) ferritic steel with unique elongated bimodal grain size distribution. The tensile tests were carried out at four different temperatures, ranging from room temperature to 700 °C, at a nominal strain rate of 10−3 s−1. At room temperature the material exhibits a high tensile strength of 1294 MPa and high yield strength of 1200...