With this situation, any amount of axial load can be applied to compressive bar of arbitrary length without bending.
在此状态下可在任意长度的压杆上，加任意大小的轴向载荷，而不产生弯曲。
The opposite of elongation is upsetting, which produces compressive shortening. For example, the diameter of a bar can be increased by heating and hammering axially.
与伸长相反的是镦粗，即产生压缩性缩短。例如，棒料的直径可以通过加热和轴向锤击而增大。
The compressive pulses measured with PVDF gauges placed in aluminum and rock bar specimens are given too.
文中还给出了PVDF用在铝试件及岩石试件中压应力波测量的试验结果。
应用推荐