Temperature field computation for a rotating cylindrical workpiece under laser quenching
| Autor: | Kun Zhou, Q. Jane Wang, W. Wayne Chen, Yumei Huang, Hongwei Xu |
|---|---|
| Rok vydání: | 2009 |
| Předmět: |
Materials science
Field (physics) business.industry Mechanical Engineering Computation Laser Industrial and Manufacturing Engineering Computer Science Applications law.invention Quality (physics) Optics Thermal conductivity Control and Systems Engineering law Thermal Total air temperature business Software Intensity (heat transfer) |
| Zdroj: | The International Journal of Advanced Manufacturing Technology. 47:679-686 |
| ISSN: | 1433-3015 0268-3768 |
| DOI: | 10.1007/s00170-009-2206-5 |
| Popis: | Laser quenching is usually performed on a localized area of workpiece surfaces through a certain thermal cycle. As a result, the treated area possesses improved mechanical properties. The quality of the treatment results depends on the selection of laser process parameters, which relies on the knowledge of the temperature field caused by laser heating. This paper reports a model for the evaluation of the laser-induced thermal field. This model assumes a laser beam of uniform intensity and considers the effect of the base temperature on the total temperature. Surface temperatures were computed and compared for different scanning velocities and laser spot sizes. The analyses indicate that the temperature in later-heated areas is much higher than that in earlier-heated areas. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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