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Mesh Sensitivity and FEA for Multi-Layered Electronic Packaging
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multi-layered stacks are commonly used in microelectronic packaging. Traditionally, these systems are designed using linear-elastic analysis either with analytical solutions or finite element method. ...
Thermomechanical Stress Analysis of Multi-Layered Electronic Packaging
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An accurate estimate of thermal stresses in multilayered microelectronics structures along the bonded interfaces is crucial for design and prediction of delamination-related failures. Compared with ...
Thermomechanical Analysis of Solder Joints Under Thermal and Vibrational Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Due to the coefficient of thermal expansion (CTE) mismatch between the bonded layers, the solder joint experiences cycling shear strain, which leads to short cycle fatigue. When semiconductor ...
Measurement of In-Plane Residual Stresses Varying With Depth by the Interferometric Strain/Slope Rosette and Incremental Hole-Drilling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new experimental method utilizing the Interferometric Strain/Slope Rosette (ISSR) and incremental hole-drilling is applied to measure in-plane residual stresses which vary with depth. For each ...
Three-Dimensional Elastic-Plastic Stress Analysis of Rolling Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Three-dimensional elastic-plastic rolling contact stress analysis was conducted incorporating elastic and plastic shakedown concepts. The Hertzian distribution was assumed for the normal surface ...
Effects of Elevated Temperatures on Rocking Vibration of Rotating Disk and Spindle Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper studies how temperature variations affect natural frequencies of rocking vibration of a rotating disk and spindle system through mathematical modeling and experimental measurements. ...
Analysis of Contact Mechanics for Rotor-Bristle Interference of Brush Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Brush seals have proven to be an attractive alternative to labyrinth seals for turbomachinery applications. This innovation in seal technology utilizes both the high temperature capability of ...