Impacts of Void Defects on Thermal Fatigue Life in Coaxial-cable Solder Joint

气孔缺陷对同轴电缆焊点 热疲劳 寿命影响

A Study of Thermal Fatigue Life Prediction of TBC

热障涂层 热疲劳 寿命预测方法研究

Effect of temperature cycling stress profile on the thermal fatigue life of solder joints of QFP

温度循环应力剖面对QFP焊点 热疲劳 寿命的影响

The Orthogonal Experiment and Regression Analysis of PBGA Solder Joint Thermal Life

PBGA焊点 热 疲劳 寿命的正交试验及回归分析

Development of the research on the thermal fatigue life prediction of packaging structures

封装结构的 热疲劳 寿命预估研究进展

Effect of quenching temperature on the microstructure and thermal fatigue life of ti_2alnb-based alloy

淬火温度对Ti2AlNb基钛铝合金组织和 热疲劳 寿命的影响

The relationship between strain hysteresis energy damage and UDDEHOLM thermal life

应变滞后能损伤与Uddeholm法 热疲劳 寿命的相关性

The τ spectrum is studied by simulation data to analyze the effect of formation water salinity porosity and oil saturation on the eigen value of thermal neutron life .

系统研究模拟数据的 热中子 寿命谱，分析地层水矿化度、孔隙度和饱和度对地层τ本征值的影响。

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 analysis on the PBGA Solder Joint

PBGA焊点的 热疲劳 寿命分析

Using ANSYS performed the nonlinear finite element analysis of the QFP solder joints under thermal cycles . The thermal fatigue life of QFP solder joint was calculated using Coffin-Manson equation based on the plastic strain .

对热循环加载条件下QFP焊点进行了非线性有限元分析，基于塑性应变采用Coffin-Manson方程计算了25种不同焊点形态的QFP焊点 热疲劳 寿命；

The regression relations between the primary solder joints shape parameters and thermal fatigue life of CCGA are derived through orthogonal experiments and regressions analysis .

通过对CCGA焊点形态参数与 热疲劳 寿命进行正交回归分析，得出了CCGA焊点形态主要参数与热疲劳寿命之间的关系表达式。

Up to now most researchers take the accelerated thermal aging testing in laboratory as a means of cables thermal life evaluation by establishing thermal life model to extrapolate the service life under cables rated temperature .

目前对电缆 热 寿命的研究多以实验室高温加速老化为手段，建立寿命模型以外推电缆额定温度下的使用寿命，而对加速试验数据及 寿命模型缺少可靠性验证。

According to the relation between thermal decompose kinetics and thermal aging the thermal aging life curves of PI hybrid film with nano-alumina particles in different containing in N2 and air were drawn .

按照材料热分解动力学与热老化之间的关系，拟合了纳米Al2O3杂化PI薄膜在空气气氛和氮气气氛下的 热老化 寿命曲线图。

Improve Thermal Fatigue Life of Cast Steel Disk Component for Annealing Furnace

提高退火炉用圆盘构件 热疲劳 寿命的研究

Numerical analysis on thermal field and assessment on thermal fatigue life of material

刹车鼓热场数值分析及材料 热疲劳 寿命评估

The results show that the roller case material heat treated in the tempetature range of 500 ℃ to 550 ℃ has the longest fatigue life . The addition of a certain amount of tungsten can slow down the crack propagation rate and prolongs the cold - thermal fatigue life .

试验结果表明，加热温度在500℃～550℃，这种辊套材料疲劳寿命最高，辊套材料中含有一定量的钨可以使裂纹扩展速率减慢，延长 冷热疲劳 寿命。

The Effects of PBGA Solder Evolving Parameters on Thermal Fatigue Life

PBGA焊点形态参数对 热疲劳 寿命的影响

The thermal life evaluation of the new type of insulation system is also introduced

同时介绍了该绝缘体系的 热 寿命评定方法及结果

On the basis of activation energy changes and experimental statistical method we suggest two methods for the rapid estimation of thermal life of enamelled wires .

本文从能量观点和经验统计出发，提出两种快速评定漆包线 热老化 寿命的公式和方法。

Brief remarks on the evaluation of the thermal life test of Si-XLPE and its conclusions are made .

此外对硅烷交联聚乙烯的 热 寿命评定试验及其结论作了简要说明。

A parameter Δ W is proposed from energy aspect to characterize the capacity of crack propagation . The in-phase thermal fatigue life is the same as the out-of-phase thermal fatigue life for identical Δ W values .

从能量角度提出了一个用于描述裂纹扩展能力的参量ΔW，在相同ΔW值下，同相 热疲劳 寿命和异相热疲劳相等。

Temperature Differential of Thermal Life Expectancy Decreasing to Half for Power Capacitor The humidity is heavy and the light is less .

电力电容器 热 寿命减半的温度差棚室内湿度大，光照弱，光照强度减半；

The application of differential scanning calorimetry in study of the thermal life of cable on ship

舰船电缆绝缘 材料 热 老化 寿命的差示扫描量热法研究

According to the theorem of heat-oxygen ageing thermal life evaluation parameters and test method is chosen reasonably . The performance of thermal ageing of ethylene - propylene rubber insulation for production is evaluated practically .

根据热氧老化原理，合理地选择了 热 寿命评定参数和实验方法，实际的评定了产品应用的乙丙橡皮绝缘的热老化性能。

The thermal aging life evaluation of cables in service should be carried out to guarantee their stable and safe operation .

为保证电缆能够安全稳定运行，有必要对电缆运行状态下的 热老化 寿命进行研究。

Evaluation of low cyclic thermal fatigue life and safety for diesel engine 's pistons

柴油机活塞的低周 热疲劳 寿命预测与安全性评价

The thermal cycle dwell time thermal cycle temperature range and the maximum dwell temperature were changed to observe their effects on the thermal fatigue life of solder joint ; the length and thickness of substrate were also changed to research the dimension effect .

通过改变热循环保温时间、温度范围和最高温度，研究各参数对焊点 热疲劳 寿命的影响，同时也考察了基板的长度和厚度的影响。

The Effects of Additive on Thermal Shock Life of Cr_2O_3 Coating and the Choice of Coating

添加剂对Cr2O3涂层 热震 失效 寿命的影响与涂层的实际选用

The Statistical Analysis and Optimal Evaluating on Thermal Fatigue Life of CCGA Based on Solder Joint Shapes

CCGA焊点 热疲劳 寿命统计分析与评价优化