Abstract:The microstructural transformation behavior of carbide-free bainitic steel at different strain rates is investigated using a combination of scanning electron microscopy, transmission electron microscopy, and electron backscatter diffraction. The results demonstrate that the stress-strain relationship of the steel exhibits a dependence on the strain rate, with the tensile strength increasing from 1441 MPa at a strain of 0.1 s À1 to 1537 MPa at 500 s À1 , with the elongation of the sample increasing from 16.0% t… Show more
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