Language: | Slovenian |
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Year of publishing: | 2020 |
Typology: | 2.09 - Master's Thesis |
Organization: | UL FS - Faculty of Mechanical Engineering |
Publisher: | [S. Veljanovski] |
UDC: | 621.791.75:669.14:620.1(043.2) |
COBISS: | 28819203 |
Views: | 394 |
Downloads: | 97 |
Average score: | 0 (0 votes) |
Metadata: |
Secondary language: | English |
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Secondary title: | Residual stress in WAAM welding of G3Si1 structural steel |
Secondary abstract: | Master thesis focuses on influence of process parameters in the WAAM manufacturing on residual stress. We welded simple geometry to the base material % structural steel. Samples were manufactured by a MAG welding process using G3Si1 welding wire of 1.2 mm diameter. The theoretical part includes a description of the WAAM manufacturing process and measurement of residual stress. A plan of experiment for production of samples using WAAM and measuring residual stress using X-ray diffraction is presented. The results were analyzed on terms of process parameters: welding current, manufacturing strategy and welding temperature. Welding current has the highest influence on residual stress. The manufacturing strategy has a great influence on the shape of the weld. It can happen that with wrong strategy we will not be able to make a desired product. The smallest effect on residual stress has welding temperature. Based on experiments we recommend alternating strategy with lowest possible welding current. |
Secondary keywords: | master thesis;Wire + Arc Additive Manufacturing (WAAM);additive manufacturing;welding;residual stress;X-Ray diffraction; |
Type (COBISS): | Master's thesis/paper |
Study programme: | 0 |
Embargo end date (OpenAIRE): | 1970-01-01 |
Thesis comment: | Univ. Ljubljana, Fak. za strojništvo |
Pages: | XXII, 56 str., [2] f. pril. |
ID: | 12003902 |