Fatigue life prediction for flip chip soldered joints based on creep stain model;
结果表明,等效蠕变应变和等效塑性应变的最大值在芯片下的边缘焊点上表面;对焊点应力应变进行时间历程处理,在循环的开始阶段,应力松弛现象显著,同时塑性应变和蠕变应变都存在累积叠加趋势;对应力应变迟滞回线研究,发现曲线呈现周期性变化,随着温度的循环加载并趋于稳定。
The equations of compression and hydraulic pressure distribution are derived in which the creep effect of cake is taken into consideration .
对压榨压力大于过滤压力情况下的压榨过程进行了分析,校正了滤饼的蠕变效应,导出了压榨液压分布方程和压榨方程。
The creep effect and the standard linear solid creep model with linear compliance replaced by nonlinear compliance are discussed when measuring one kind of microspeaker by using Klippel testing system with laser micro-displacement non-contact measurement sensor.
本文利用集总参数模型,从理论上分析了微型扬声器区别于普通扬声器的参数特性,讨论了微型扬声器中的蠕变效应和以非线性力顺代替线性力顺的固态蠕变模型。
How to estimate creep stress from small punch creep test results was described in present paper.
主要阐述根据小冲杆试样实测中心挠度求蠕变应力的问题。
Creeping Strain Function of Leather in Lastometer Deformation
顶伸状态下皮革蠕变应变函数的研究
Creep Property and Mechanism of AZ31 Magnesium Alloy under High Temperature and Low Stress
高温低应力下AZ31镁合金的蠕变性能及蠕变机理
STRESS-STRAIN BEHAVIORS AROUND THE YIELD STRENGTH IN SEQUENTIAL ROOM TEMPERATURE CREEP TESTS
相续室温蠕变中屈服强度附近的应力应变行为
Studies on measure for decreasing the creep of the vessel's propulsion shaft segment
船舶推进轴段蠕变减缓应对措施研究
Creep and thermal stress analysis of the SMA joint system
SMA管接头系统的蠕变及热应力分析
The Correlation of the Stress and the Density of the EPS Compression Creep
EPS压缩蠕变的应力与密度的相依性
Law of Consolidation Creep Strain and Stress Relaxation in Saturated Soft Clay
饱和软粘土固结、蠕变变形和应力松弛规律
The Experimental Study on Rheological Propertice of Femur Head Stress Relaxation and Creep between Normal and Pathological Groups;
正常与病态股骨头应力松弛蠕变流变特性研究
VARIABLE PARAMETERS-BASED CREEP DAMAGE CONSTITUTIVE MODEL AND ITS ENGINEERING APPLICATION
变参数蠕变损伤本构模型及其工程应用
Fatigue/Creep Life Estimation for Turbine Disc-Blade by Strain Field Intensity Method
基于应变场强法的涡轮盘-片疲劳/蠕变寿命预测
EFFECT OF DYNAMIC STRAIN AGING ON FATIGUE-CREEP BEHAVIOR OF 316L AUSTENITIC STAINLESS STEEL
动态应变时效对316L不锈钢疲劳蠕变行为的影响
Application of finite element method based upon creep anchor bolt support in foundation pit
基于蠕变效应数值方法在基坑中的应用
This paper, using tensile way tests the nature of creep of rainbow silk.
本文应用拉伸法对彩虹丝的蠕变性能进行测定。
Results The stress-relaxation and creep data were obtained.
结果得出了肾动脉的应力松弛,蠕变数据和曲线。
Metals tend to creep when they are subjected to stress at high temperatures.
当金属在高温下受到应力时，就会发生蠕变。
State of the art of small punch creep testing technique
小冲孔蠕变试验技术及其应用研究进展
TECHNICAL CREEP THEORY OF FROZEN CLAY AND ITS APPLICATION TO FREEZING METHOD
冻粘土的技术蠕变理论及在冻结法中的应用
Theoretical and Experimental Study on Effects of Disturbance to Rock Creep and Damage Characteristics;
岩石蠕变扰动效应与损伤特征理论与试验研究