Abstract
Abstract In this study, the effect of heat treatment applied at various temperatures on the properties of plasma arc welded TRIP800 steel has been examined extensively. For this purpose, the low temperature heat treatment was carried out at −50, −20, and 0 °C for 2 h on a set of welded samples. Moreover, the heat treatment process was also applied for 2 h at various temperatures (i.e., 100, 200, 300, 400, 500, 600, 800, and 1000 °C) for another group of plasma arc welded TRIP800 steels. In addition, the properties of a set of samples without any heat treatment were determined in as-welded condition for a comparison. The mechanical properties of all samples were determined, and microstructures of samples were evaluated. As a result, the low temperature heat treatment applied at the specified temperatures did not have a significant effect on the ultimate tensile strength, and ductility of the joint but affected the yield strength positively. Besides, the ultimate tensile strength of heat treated samples also diminished with increasing processing temperature. It was found that the yield strength of the heat treatment applied samples showed an increase up to 500 °C, while the samples tested at 500 and 600 °C showed pronounced yielding behavior.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.