| Issue |
E3S Web Conf.
Volume 376, 2023
International Scientific and Practical Conference “Environmental Risks and Safety in Mechanical Engineering” (ERSME-2023)
|
|
|---|---|---|
| Article Number | 01055 | |
| Number of page(s) | 8 | |
| Section | I Environmental Risks and Safety in Mechanical Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202337601055 | |
| Published online | 31 March 2023 | |
Experimental methods for assessing the propensity of welded joints to local fault
Don State Technical University, Rostov-on-Don, Russian Federation.
* Corresponding author: shepkinviktor@rambler.ru
The problem of increasing the resistance of welded joints of power equipment against local destruction in the conditions of non-stationary mode of high-temperature operation is relevant. In the studies performed, the analysis of the causes and nature of LR was carried out from the standpoint of classical physics of high-temperature deformation and intergrain destruction by the creep mechanism. Most of the test methods developed simulate just such loading conditions. However, the most objective assessment of the susceptibility of the welded joints to LR can be given by the method of testing welded joints under conditions of high-temperature low-frequency low-cycle loading.
Key words: Welded joint / technological samples / weldability / creep / mechanism of intergranular fracture / low-cycle loading / local loading
© The Authors, published by EDP Sciences, 2023
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