Low cyclic thermal fatigue life is an important parameter for evaluating the reliability of diesel engine.
热疲劳寿命是评价柴油机可靠性的一个主要指标。
Thermal fatigue life of lead-free solder joint of Air-conditioner PCB (Printed Circuit Board) under the form of THT (Through Hole Technology) is studied.
本文对空调器印刷电路板(PCB)通孔插装形式无铅焊点的热疲劳寿命进行了研究。
The simulation value of solder joint thermal fatigue life is 1 052 circulations. The thermal fatigue life of solder joint in SCSP is lower than the single chip package (2 656 circulations).
SCSP的焊点热疲劳寿命模拟值为1 052个循环周，低于单芯片封装元件的焊点热疲劳寿命(2 656个循环周)。
A new comparative test approach is provided for the thermal fatigue life experiments of turbine blade under thermal shock. The tested blades and reference blades were mounted in a common vane cascade.
针对涡轮叶片的热冲击疲劳寿命实验，提出了一种新的对比实验方案和措施：将实验叶片和参照叶片组合在同一组试验叶栅上，并且在试验过程中定期对调两种叶片的安装位置。
So considering thermal aging effect to rubber may give an accurately result to predict the fatigue life.
因此，考虑热老化对材料性能的影响可能得到更准确的疲劳寿命预报。
The transformation superplasticity in welding CGHAZ (Coarse Grain Heat Affected Zone) of EH36MOD steel and its effect on fatigue life have been studied with thermal simulating method.
采用热模拟方法，对EH36MOD钢焊接热影响区粗晶区(CGHAZ)的相变超塑性及其对疲劳寿命的影响进行了研究。
Equipment life-span diagnoses mainly research the variation rules of unit part in unsteady temperature and thermal stress, fatigue characteristic of metals and life deterioration of equipments.
设备寿命诊断主要研究设备部件在非稳态下的温度及热应力变化规律、金属材料的疲劳特性以及部件的寿命损耗。
Thermal fatigue behavior of the piston is vital to the overall life-span of diesel engines.
活塞的热疲劳性能对柴油发动机的全寿命至关重要。
The effect of thermal treatment on fatigue life is not obvious.
热处理对疲劳寿命无显著影响。
The effect of thermal treatment on fatigue life is not obvious.
热处理对疲劳寿命无显著影响。
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