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首页> 外文期刊>Journal of Heat Transfer >Thermal and Mechanical Behavior in Laser Trepan Drilling of Yttria-Stabilized Zirconia
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Thermal and Mechanical Behavior in Laser Trepan Drilling of Yttria-Stabilized Zirconia

机译:氧化钇稳定的氧化锆激光T​​repan钻孔中的热力学行为

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摘要

Cracking control is very important for laser drilling of yttria-stabilized zirconia (YSZ). In this paper, a thermomechanical model is presented to investigate what will be happened in the trepan drilling of YSZ by a picosecond pulsed laser. The thermal model is developed for describing the interaction between laser and YSZ material to obtain the transient temperature. The mechanical model is developed to calculate the stress distribution caused by the phase transformation based on the temperature results. The goal of the present study is to explore the intrinsic mechanism of cracking around the drilled hole from the aspect of the phase transformation in laser drilling of YSZ.
机译:裂纹控制对于氧化钇稳定的氧化锆(YSZ)的激光钻孔非常重要。本文提出了一种热力学模型,以研究皮秒脉冲激光在YSZ的Trepan钻孔中会发生什么。开发了用于描述激光器和YSZ材料之间的相互作用以获得瞬态温度的热模型。建立力学模型以基于温度结果计算由相变引起的应力分布。本研究的目的是从YSZ激光钻孔的相变的角度探讨钻孔周围裂纹的内在机理。

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