The results show that the critical compressive strength of zigzag BN nanotube is bigger than that of armchair BN nanotube with same size, which is consistent with carbon nanotube.

• 结果表明，同尺寸的锯齿型氮化硼纳米管的临界轴向压缩强度高于扶手型氮化硼纳米管，这与碳纳米管的研究结果一致。