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  2. Gauge factor - Wikipedia

    en.wikipedia.org/wiki/Gauge_factor

    In constantan strain gauges (the most commercially popular), the effect accounts for 20% of the gauge factor, but in silicon gauges, the contribution of the piezoresistive term is much larger than the geometric terms. This can be seen in the general examples of strain gauges below:

  3. Strain gauge - Wikipedia

    en.wikipedia.org/wiki/Strain_gauge

    An unmounted resistive foil strain gauge. A strain gauge takes advantage of the physical property of electrical conductance and its dependence on the conductor's geometry. . When an electrical conductor is stretched within the limits of its elasticity such that it does not break or permanently deform, it will become narrower and longer, which increases its electrical resistance end-to-

  4. Piezoresistive effect - Wikipedia

    en.wikipedia.org/wiki/Piezoresistive_effect

    The piezoresistive effect of semiconductor materials can be several orders of magnitudes larger than the geometrical effect and is present in materials like germanium, polycrystalline silicon, amorphous silicon, silicon carbide, and single crystal silicon. Hence, semiconductor strain gauges with a very high coefficient of sensitivity can be built.

  5. Strain engineering - Wikipedia

    en.wikipedia.org/wiki/Strain_engineering

    Strain engineering refers to a general strategy employed in semiconductor manufacturing to enhance device performance. Performance benefits are achieved by modulating strain , as one example, in the transistor channel, which enhances electron mobility (or hole mobility) and thereby conductivity through the channel.

  6. Magnetostriction - Wikipedia

    en.wikipedia.org/wiki/Magnetostriction

    Magnetostrictive hysteresis loop of Mn-Zn ferrite for power applications measured by semiconductor strain gauges. Like flux density, the magnetostriction also exhibits hysteresis versus the strength of the magnetizing field. The shape of this hysteresis loop (called "dragonfly loop") can be reproduced using the Jiles-Atherton model. [4]

  7. Four-terminal sensing - Wikipedia

    en.wikipedia.org/wiki/Four-terminal_sensing

    Four-point measurement of resistance between voltage sense connections 2 and 3. Current is supplied via force connections 1 and 4. In electrical engineering, four-terminal sensing (4T sensing), 4-wire sensing, or 4-point probes method is an electrical impedance measuring technique that uses separate pairs of current-carrying and voltage-sensing electrodes to make more accurate measurements ...

  8. Gauge (instrument) - Wikipedia

    en.wikipedia.org/wiki/Gauge_(instrument)

    Most gages will have one scale marked in either mils or micrometers. Load cell: a transducer that is used to convert a force into electrical signal. This conversion is indirect and happens in two stages. Through a mechanical arrangement, the force being sensed deforms a strain gauge. The strain gauge converts the deformation to electrical signals.

  9. Resistance thermometer - Wikipedia

    en.wikipedia.org/wiki/Resistance_thermometer

    This “strain free” design allows the sensing wire to expand and contract free of influence from other materials; in this respect it is similar to the SPRT, the primary standard upon which ITS-90 is based, while providing the durability necessary for industrial use. The basis of the sensing element is a small coil of platinum sensing wire.

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