The invention belongs to the field of special
alloy quality inspection, and relates to a dissecting and analyzing method for testing the
internal quality of an electroslag remelting
corrosion resistant
alloy plate blank. Types of the
corrosion resistant
alloy plate blank comprise
double phase stainless steel, super
austenitic stainless steel, Fe-Ni-based
corrosion resistant alloy and Ni-based
corrosion resistant alloy; the dissecting and analyzing method does not destroy the integrity of the material of the
corrosion resistant alloy electroslag plate blank, scientifically and comprehensively analyze the
internal quality of the corrosion resisting alloy electroslag plate blank, improves the material the
utilization rate to 90%, and greatly saves expensive materials; and detection items include
chemical composition segregation, gas content, inclusions, macrostructure (plate blank transverse direction),
crystal structure and the like, detection positions comprise the transverse direction and the vertical direction of the plate blank, transverse detection covers the edge of the plate blank to the center area, and vertical detection covers the head and
tail areas of the plate blank. The method can comprehensively reflect the
internal quality of the corrosion resisting alloy, especially
crystal structure
crystal angle, and evaluates the rolling performance of the plate blank through
crystal orientation analysis.