Analysis of Coupling Segment of Belt Conveyor

摘要

The paper focuses on the metallographic analysis of damaged belt-conveyor coupling segments made of high-alloy austenitic steel. The object in question is a weldment - a bar with a ring welded on it at either end. The subject of the analysis is the evaluation of the microstructure of the base material of the two components (weldment and weld metal), the quality of the execution of the weld joints, subsequent heat treatment of the weldment, and the overall state of the component after operational loading. The suitability of the design solution of the whole weldment is also discussed. The task is solved with the aid of a metallographic analysis of the microstructure of the material, using light microscopy, scanning electron microscopy inclusive of the EDS microanalysis of chemical composition, and microhardness measurement.