Publikacje

Abstract:

In the paper there are presented preliminary results of microwelding thin sheet of superalloys Hastelloy X and Haynes 230 (R). The studies determined the basic parameters of microwelding superalloys thin sheet. In this paper, welding connections of examined superalloys free from cracking was obtained and its microstructural growth characteristic was investigated. Welding of thin metal sheet was made by resistive pulse microwelding with use of a SST WS 7000s device. The study focused on the leading investigated parameters such as microhardness and the obtained weld microstructure observation. Microhardness measurements of the joints were taken using Matsuzawa Vickers MX 100 type with applied load 100 g (0.98 N). The joints were examined using metallographic microscope Nikon Eclipse MA200 (R). The survey indicates that although many studies have been performed, there is still a considerable need to further examine how to obtain satisfying quality joint, using micro welding between the thin sheet from superalloy Hastelloy X and Haynes 230 (R).

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INVESTIGATIONS INTO THE EFFECTS OF SPOT WELDING ON THIN SHEET OF SUPERALLOYS HASTELLOY X AND HAYNES 230 (R)