A parametric study of the thermomechanical reliability of a Au thick-film based Sic-dieattach assembly using nonlinear finite element analysis (FEA) was conducted to optimize the die-attach thermo-mechanical performance for operation at temperatures from room temperature to 500 "C. This parametric study centered on material selection, structure design and process control. The die-attach assembl...

User manipulation of assembly models can provide insight during the early, formulative design stages into kinematic and dynamic characteristics of a mechanism. We present the advantages of kinematic representation of constraint equations in fully Cartesian coordinates, a departure from standard practice for interactive mechanical assembly at interactive rates. Formulations of a surface rolling ...

INTRODUCTION In the past decade, the field of single-molecule mechanics has grown rapidly, and through the use of techniques such as atomic-force microscopy (AFM) and optical tweezers, much has been learned about the molecular mechanisms responsible for mechanical response [1]. In spite of this, there have been few studies relating mechanical response across a range of hierarchies, in order to ...

Title of Document: DESIGN OF AN AUTOMATED ASSEMBLY LINE FOR MANUFACTURING VISUAL TENSION INDICATING FASTENERS Babak Eslami, M.S. 2012 Directed By: Dr. Chandrasekhar Thamire Department of Mechanical Engineering Threaded fasteners play a major role in mechanical assemblies to clamp components or flanges. While bolted joints have been in use for many centuries and are simple to design and use, the...

Carbon nanotubes are ideal scaffolds for designing and architecting flexible graphite films with tunable mechanical, electrical and thermal properties. Herein, we demonstrate that the assembly of aligned carbon nanotubes with different aggregation density and morphology leads to different mechanical properties and anisotropic electrical conduction along the films. Using drying evaporation under...

In this paper, we present a new design of a sweptvolume 3D-360-degree display system with rotating LED panel. This system, which adopts the idea of modular design, is constituted of a mechanical part, a circuit part and a software part. The circuit part is mainly composed of synchronous control module, high speed data transmission module, display module and display control module, etc. The mech...

Mechanical stimuli play crucial roles in bone remodeling and resorption. Osteopontin (OPN), a marker for osteoblasts, is important in cell communication and matrix mineralization, and is known to function during mechanotransduction. Hypergravity is a convenient approach to forge mechanical stimuli on cells. It has positive effects on certain markers of osteoblast maturation, making it a possibl...

The output error of the globoidal cam mechanism can be considered as a relevant indicator of mechanism performance, because it determines kinematic and dynamical behavior of mechanical transmission. Based on the differential geometry and the rigid body transformations, the mathematical model of surface geometry of the globoidal cam is established. Then we present the analytical expression of th...

The output error of the globoidal cam mechanism can be considered as a relevant indicator of mechanism performance, because it determines kinematic and dynamical behavior of mechanical transmission. Based on the differential geometry and the rigid body transformations, the mathematical model of surface geometry of the globoidal cam is established. Then we present the analytical expression of th...

Open lattices are characterized by low-volume-fraction arrangements of building blocks, low coordination number, and open spaces between building blocks. The self-assembly of these lattices faces the challenge of mechanical instability due to their open structures. We theoretically investigate the stabilizing effects of entropy in the self-assembly of open lattices from patchy particles. A prel...