The effect of prooftesting on the fatigue strength of ceramic specimens is analyzed by means of the fracture mechanics approach.
应用断裂力学理论分析了保证试验对陶瓷试件造成的损伤及其对疲劳强度的影响。
2
Finally, optical fiber lifetime is estimated and the lifetime design picture of optical fiber which passed three-grades prooftesting strain is given.
最后，对筛选试验后的光纤寿命进行了估算，给出了光纤经三个等级的筛选应变后的寿命设计图。
3
Two kinds of reference techniques for prooftesting of optical fiber strength as well as the test methods are briefly presented. Optical fiber strength after prooftesting is theoretically, analyzed.