منابع مشابه
Pencil Drawn Strain Gauges and Chemiresistors on Paper
Pencil traces drawn on print papers are shown to function as strain gauges and chemiresistors. Regular graphite/clay pencils can leave traces composed of percolated networks of fine graphite powders, which exhibit reversible resistance changes upon compressive or tensile deflections. Flexible toy pencils can leave traces that are essentially thin films of graphite/polymer composites, which show...
متن کاملNonlinearity and Hysteresis of Resonant Strain Gauges
Nonlinearity and hysteresis effects of electrostatically activated, voltage driven resonant microbridges have been studied theoretically and experimentally. It is shown, that, in order to avoid vibration instability and hysteresis to occur, the choices of the ax . and d.c. driving voltages and of the quality factor of a resonator, with a given geometry and choice of materials, are limited by a ...
متن کاملHighly Sensitive Skin-Mountable Strain Gauges Based Entirely on Elastomers
Quantifying naturally occurring strains in soft materials, such as those of the human body, requires strain gauges with equal or greater mechanical compliance. This manuscript reports materials and mechanics approaches are reported for an all-elastomer strain measurement device with gauge factor as high as 29 and with Young’s modulus that approaches that of the human epidermis. These systems us...
متن کاملGauge Factor and Stretchability of Silicon-on-Polymer Strain Gauges
Strain gauges are widely applied to measure mechanical deformation of structures and specimens. While metallic foil gauges usually have a gauge factor slightly over 2, single crystalline silicon demonstrates intrinsic gauge factors as high as 200. Although silicon is an intrinsically stiff and brittle material, flexible and even stretchable strain gauges have been achieved by integrating thin s...
متن کاملComputer-Based & Paper-Pencil Test Comparability Studies
In some testing applications, ComputerBased Test (CBT) delivery is gaining popularity over the traditional PaperPencil-Test (PPT) delivery due to the several potential advantages that it offers, such as immediate scoring and reporting of results, more flexible test scheduling, the opportunity to include innovative item formats that are made possible by the use of technology, and reduced costs o...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Materials Today
سال: 2014
ISSN: 1369-7021
DOI: 10.1016/j.mattod.2014.01.009