منابع مشابه
A 3d Micro-Plane Model for Shape Memory Alloys
are compared with the experimental results. In these test results the shape memory alloys behavior as: super elasticity under various temperatures, loading rate effects, asymmetry in tension and pressure, various loops of loading and unloading, hydrostatic pressure effects, different proportional tension-shear biaxial loading and unloading, and also deviation from normality due to non-proportio...
متن کامل3D Form Display with Shape Memory Alloy
We propose a new display for presenting 3D forms using a pin-rod matrix. Due to a long range of movement, it is capable of displaying large-scale, dense objects such as human faces or geographical features. In this work, we use a coil-form Shape Memory Alloy (SMA) as a pinrod actuator. The prototype has a 4×4 pin-rod matrix, with a 120[mm] range of motion (which is longer than previous works), ...
متن کاملSequential Self-Folding Structures by 3D Printed Digital Shape Memory Polymers
Folding is ubiquitous in nature with examples ranging from the formation of cellular components to winged insects. It finds technological applications including packaging of solar cells and space structures, deployable biomedical devices, and self-assembling robots and airbags. Here we demonstrate sequential self-folding structures realized by thermal activation of spatially-variable patterns t...
متن کاملA 3D Printed Implantable Device for Voiding the Bladder Using Shape Memory Alloy (SMA) Actuators
Underactive bladder or detrusor underactivity (DU) is defined as a reduction of contraction strength or duration of the bladder wall. Despite the serious healthcare implications of DU, there are limited solutions for affected individuals. A flexible 3D printed implantable device driven by shape memory alloys (SMA) actuators is presented here for the first time to physically contract the bladder...
متن کامل3D Shape Matching with 3D Shape Contexts
Content based 3D shape retrieval for broad domains like the World Wide Web has recently gained considerable attention in Computer Graphics community. One of the main challenges in this context is the mapping of 3D objects into compact canonical representations referred to as descriptors or feature vector, which serve as search keys during the retrieval process. The descriptors should have certa...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2017
ISSN: 2045-2322
DOI: 10.1038/s41598-017-04663-z