张建宇, 杨久霞, 吴迪平, 马光亭, 冯伟, 王俊生. 激光强化半钢轧辊的实验研究与温度模拟[J]. 工程科学学报, 2003, 25(3): 258-261. DOI: 10.13374/j.issn1001-053x.2003.03.044
引用本文: 张建宇, 杨久霞, 吴迪平, 马光亭, 冯伟, 王俊生. 激光强化半钢轧辊的实验研究与温度模拟[J]. 工程科学学报, 2003, 25(3): 258-261. DOI: 10.13374/j.issn1001-053x.2003.03.044
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ZHANG Jianyu, YANG Jiuxia, WU Diping, MA Guangting, FENG Wei, WANG Junsheng. Experimental Study and Temperature Simulation of the Laser Hardening Procedure on the Semi-steel Roll[J]. Chinese Journal of Engineering, 2003, 25(3): 258-261. DOI: 10.13374/j.issn1001-053x.2003.03.044
Citation: ZHANG Jianyu, YANG Jiuxia, WU Diping, MA Guangting, FENG Wei, WANG Junsheng. Experimental Study and Temperature Simulation of the Laser Hardening Procedure on the Semi-steel Roll[J]. Chinese Journal of Engineering, 2003, 25(3): 258-261. DOI: 10.13374/j.issn1001-053x.2003.03.044
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激光强化半钢轧辊的实验研究与温度模拟

Experimental Study and Temperature Simulation of the Laser Hardening Procedure on the Semi-steel Roll

    摘要
  • 摘要: 从实验角度分析了半钢轧辊表面经过激光相变硬化处理后的性能改善情况,着重讨论了改变工艺参数对激光淬火效果的影响.利用数值模拟的分析手段对轧辊在激光辐照之下经历的热循环过程作了详细描述,说明了辊面激光淬火的原理,对光斑附近区域的温度梯度分布作了分析,初步探讨了激光淬火裂纹形成的原因.

     

    Abstract: The property improvement of the semi-steel roll surface after laser quenching was investigated experimentally, and the effect of technological parameters on laser quenching was analyzed. The thermal circulating procedure of the surface under the laser beam was elaborated by numerical simulation methods and the principle of laser quenching on the surface is explained consequently. The distribution of thermal gradient near the laser spot was obtained, and the reason for crack formation during laser beam scanning was discussed.

     

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