脉冲功率密度直接影响烧蚀凹坑深度。
Pulse power density directly influences ablation crater depth.
试验建立起了凹坑深度与脉冲功率密度、激光平均功率、脉冲重复频率和离焦量之间的关系曲线。
Crater depth versus pulse power density, average laser power, pulse repetition frequency and focal distances are built up through experiment.
对相同凹坑深度下的冲击能量与准静态压痕力进行了数值分析，并提出了冲击能量与准静态压痕力间的等效性公式。
By numerical analysis of the impact energy and static indentation force under the same dent depth, a new equivalent formula is set up, which corresponds well with the results of the tests.
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