Experiment on bending of Al2O3 ceramic slice with CO2 CW-laser

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Experiment on bending of Al2O3 ceramic slice with CO2 CW-laser

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- Experiment on bending of Al2O3 ceramic slice with CO2 CW-laser
- Optics and Precision Engineering Vol. 17, Issue 10, Pages: 2473-2479(2009)
- 作者机构：
  
  大连理工大学机械工程学院2. 大连理工大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：03 December 2008，
  
  Revised：27 December 2008，
  
  Published Online：20 October 2009，
  
  Published：20 October 2009
- 稿件说明：
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吴东江,张强,郭东明. Al2O3陶瓷薄片CO2连续激光弯曲试验研究[J]. 光学精密工程, 2009,17(10):2473-2479

Experiment on bending of Al2O3 ceramic slice with CO2 CW-laser[J]. Optics and precision engineering, 2009, 17(10): 2473-2479.
吴东江,张强,郭东明. Al2O3陶瓷薄片CO2连续激光弯曲试验研究[J]. 光学精密工程, 2009,17(10):2473-2479 DOI：

Experiment on bending of Al2O3 ceramic slice with CO2 CW-laser[J]. Optics and precision engineering, 2009, 17(10): 2473-2479. DOI：

摘要

脆性材料的激光弯曲成形技术是激光快速成形技术的重要应用，有着广阔的应用前景。本文通过改变激光功率、扫描速度等工艺参数，利用CO2连续激光对氧化铝陶瓷薄片进行弯曲试验，同时引入线能量密度来寻求适合弯曲的最佳工艺参数，并结合氧化铝陶瓷的高温性能分析了其激光弯曲特点。试验结果表明：采用CO2连续激光可以对氧化铝陶瓷薄片进行弯曲，弯曲角度可达2°；氧化铝陶瓷的激光弯曲过程具有强烈的温度敏感性，当试样表面温度大于临界温度时，弯曲角度迅速增加；适合弯曲的最佳线能量密度范围为17～24 J/mm 。

Abstract

As an important application of Laser Rapid Forming

laser bending technology of brittle materials has broad prospects. In this paper

experiments on bending of Al2O3 ceramic slice with CO2 CW-laser are carried out at various laser processing parameters

including laser power and scanning velocity. Laser linear energy density is introduced to discuss the best processing parameters

and bending characteristics are briefly analyzed according to the high temperature properties of Al2O3 ceramic. Experimental results show that the Al2O3 ceramic slice is bent by CO2 CW-laser

and the bending angle reaches up to 2° . Laser bending processing of Al2O3 ceramic slice is strongly sensitive to temperature. There exists a critical temperature

above which

the bending angle increases greatly. The best rang of laser linear energy density for bending Al2O3 ceramic is 17～24 J/mm.

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Related Institution

大连理工大学机械工程学院

Key Laboratory for Precision and Non-traditional Machining Technology of the Ministry of Education, Dalian University of Technology

State Key Laboratory for Material Modification by Laser, Ion and Electron Beams, Dalian University of Technology

Key Laboratory for Precision and Non-traditional Machining Technology, Ministry of Education, Dalian University of Technology

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