The New Heat Source Model of AZ31B Magnesium Alloy Laser-TIG Hybrid Welding
| Autor: | Tan Zhao, Xin Lv, Yao Hui Jin, Zhen Xu, Zhong Lin Hou, Long Hao Zhu, Jian Hua Sun |
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| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Materials science Mechanical Engineering Gas tungsten arc welding Metallurgy 02 engineering and technology Welding 021001 nanoscience & nanotechnology Laser 01 natural sciences law.invention Mechanics of Materials law 0103 physical sciences General Materials Science Magnesium alloy 0210 nano-technology Source model |
| Zdroj: | Key Engineering Materials. 815:120-124 |
| ISSN: | 1662-9795 |
| DOI: | 10.4028/www.scientific.net/kem.815.120 |
| Popis: | A new heat source model consisted of inverted conical heat source and rotary Gauss body heat source is established using the CAE software for the keyhole effect of laser-TIG hybrid welding. The inverted conical heat source is used for analyzing the wide upper part of weld pool due to the rapid heat up by the laser and arc. The rotary Gauss body heat source model is used for analyzing the long and narrow lower part of weld pool formed by the laser. The result showed that, compared with other single source mode, this new heat source model may get a better simulation of the weld pool morphology, especially the inflection point near the keyhole. It provides a new method to predict the morphology and size of the weld pool of magnesium alloy laser-TIG welding. |
| Databáze: | OpenAIRE |
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