材料厚度范围 (Printable substrate thickness) 3-20mm 机械重印精度 (Machine repeat precision) 0.05mm
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通过分析影响多孔金属材料吸声性能的主要因素，推导出材料的最佳厚度范围；
This paper derives the best range of thickness of the materials by analyzing the main factors influencing the sound absorption properties of porous metal materials.
在一定范围内，随着缓冲材料厚度的增加，碰撞时间与接触面积线性增加，最大加速度与损伤体积相应减小。
In a definite scope, the impact time and contact area are linearly increased while the maximum acceleration and bruise volume reduced with the increment of thickness of cushion materials.
在接近穿孔极限速度的入射速度(V50)范围内，这一机制依赖于复合材料板的厚度和中间层剪切强度。
In the range of incident velocities near to the perforation limit velocity (V50), this mechanism depends on thickness and interlaminar shear strength of composite plate.
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