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Tungsten-rhenium thermocouples in the tungsten-rhenium alloy _ instrument

by:JVTIA     2020-10-29
W - Realloy composed of tungsten and rhenium alloy. There is low rhenium alloy, including rhenium under 5%; Another kind is high rhenium alloy, including rhenium is 20% ~ 30%. Its manufacture method and tungsten materials, is the main application of special valve and colour kinescope filament, requirements of high temperature parts, high strength and high plasticity by low rhenium alloy and high rhenium alloy matching can be used to measure 1500 ~ 3000 ℃ high temperature thermocouple. Use of tungsten-rhenium thermocouples instead of platinum rhodium thermocouple temperature measurement can save of platinum, rhodium and other precious metals. Rhenium is scare metal, resource is less, the price is more expensive, if not necessary, should be used as far as possible without rhenium or less rhenium tungsten alloy. Tungsten-rhenium thermocouples with tungsten rhenium thermocouple cable connected to the digital readout of the tungsten rhenium dividing, form a simple display system.
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