Analysis of Acceleration Factor Models of Thermal Cycle for Environmental Stress Screening

环境应力筛选中的 温度 循环加速因子模型分析

A computer-aided system for testing and analyzing weld thermal cycle is presented in this paper .

本文研究设计了一种焊接 热 循环参数测试及分析系统。

On the basis of the service environment of the electric air-conditioning system the thermal cycle pressure-enthalpy diagram and the operation conditions of the system are decided and the matching parameter of the system is calculated .

根据电动车空调系统的使用环境条件，确定了系统的 热力 循环压-焓图和运行工况，并且计算得到了系统的匹配参数。

The thermal cycle on the surface of friction welding joint was measured by means of thermocouples .

结果表明，摩擦焊接头的 温度场、飞边形状和轴向 缩短量的计算结果和实验结果吻合较好。

Synthetic apparatus for weld thermal cycle

焊接 热 循环模拟装置

Welding Thermal Cycle Testing System Based on Virtual Instrument

基于虚拟仪器的焊接 热 循环测试系统

Effect of Weld Thermal Cycle on Second Phase Particles in Ti-Nb Micro-alloyed Steel

焊接 热 循环对Ti-Nb微合金钢中第二相粒子的影响

This process is not the circulation itself but also the thermal cycle of the pure heat engine .

这不仅是环流的过程，同时也是作为纯粹自然热机的 热力 循环过程。

Influence of thermal cycle on impact toughness of HAZ of high-Nb pipeline steel

热 循环对高铌管线钢焊接热影响区冲击韧性的影响

By the discussion of the thermal cycle characteristic of plasma beam surface metallurgy and metallurgical process the heat-affected zone of the steel matrix was studied .

通过对等离子束表面冶金 热 循环的特点和冶金过程的探讨，对钢基体热影响区进行了测试分析，并将热影响区划分为过热区、完全相变区和不完全相变区。

The structure of detonation wave and thermal cycle process of PDE were analyzed .

对爆轰波结构及脉冲爆轰发动机的 热 循环过程进行的分析。

Thermal cycle is an important parameter to influence the mechanical properties of the welded joint .

焊接 热 循环对焊接接头的性能影响至关重要。

Any thermal cycle or working fluid could be considered .

可以采用任何形式的 热 循环和工作流体。

The effects of technological parameters of simulated welding thermal cycle ( peak temperature Tp and cooling time t8 / 5 ) on microstructure and properties of HAZ in micro-calcium steel were studied .

研究了焊接 热模拟工艺参数（峰值温度Tp、焊后冷却时间 t8/5）和真实焊接对微钙钢热影响区显微组织和性能的影响。

Effect of welding thermal cycle on microstructure and mechanical properties of copper-bearing age hardening steel were studied .

研究了焊接 热 循环对含铜时效钢焊接热影响区组织与性能的影响。

A concept called Heat Fluid is introduced into thermal cycle theory .

在 热力 循环理论中引入了“热流体”。

The relationship between thermal shock and thermal cycle can be built up by this function .

利用该函数可将热冲击与 热 循环联系起来。

Based on the analysis of the real engine 's working process a new model of irreversible thermal cycle for heat engine is proposed by using the finite time thermodynamics .

在分析实际发动机工作过程的基础上，利用有限时间热力学理论方法，建立了一种新的不可逆热机 热力 循环模型。

The phase composition of ZrSiO_4-ZrO_2 system materials can not change before and after one thermal cycle .

ZrSiO4-ZrO2质试样在经历一次 热 循环之后没有发生明显的物相组成变化。

The influence of secondary thermal cycle on intragranular ferrite was investigated by physical simulation method .

采用物理模拟的方法研究了二次 热 循环对晶内铁素体的影响。

The thermal cycle frequency has an obvious effect on the transformation superplasticity of Zn-Al alloy .

改变 热 循环频率对铸态ZnAl合金的相变超塑性有很大影响。

Thermal cycle test demonstrates that the fatigue life of 3D-MCM are morethan 1500 temperature cycles .

热 循环试验表明，3D-MCM具有大于1500个热循环周期的疲劳寿命，从而具有很高的热机械可靠性。

Research and Development of a New Type System for Testing and Analyzing Weld Thermal Cycle

新型焊接 热 循环测试及分析系统的研究与开发

In this paper microstructure and toughness of Nb-V-Ti microalloyed steel after different thermal cycle are studied .

研究了NbVTi微合金钢经不同焊接 热 循环后的组织和韧性。

Weld thermal cycle simulation was used to reproduce the structure in the HAZ of single run and multi-layer welding .

采用焊接 热模拟再现了单道 焊和多层焊HAZ的组织。

The microstructures of weld metal and HAZ under different thermal cycle are analyzed correspondingly .

分析了在不同焊接 热 循环条件下相应的部分易淬火钢焊缝及热影响区的显微组织。

Optimization of Structure Parameters of D2-FBGA Under Thermal Cycle Loading

D2-FBGA 热 循环载荷下的结构参数优化

The results show that local brittle zone is formed after twice thermal cycle .

结果表明，一次 热 循环的粗晶区在一定的二次 热 循环条件下出现了低韧性区，表现为局部脆化现象。