事实证明,沿用衡量钢质气瓶质量的检查方法——残余变形率来衡量玻璃钢气瓶的质量是不尽合理的,尤其是当玻璃钢气瓶使用一段时间后,就更为明显。玻璃钢气瓶在使用中由于残余变形率超过规定值而报废者几乎没有,大部分气瓶的残余变形率在使用后均有变小的趋势,这主要是由于玻璃钢是“完全弹性”材料,直至破坏都是弹性变形,它不具有金属材料那样的屈服极限,因此不存在残余变形的特性。为此在一定的工 Facts have proved that it is not reasonable to measure the quality of FRP cylinders according to the method of measuring the quality of steel cylinders - the residual deformation rate, especially when FRP cylinders are used for a period of time. Glass fiber reinforced plastic cylinders in use because the residual deformation rate exceeds the prescribed value and almost no scrapped, most of the cylinder residual deformation rate tends to be smaller after use, mainly due to FRP is “fully elastic” material until Damage is elastic deformation, it does not have the yield limit of metal materials, so there is no residual deformation characteristics. To do this in a certain work