2results about How to "Not oxidized" patented technology

The application discloses a high-temperature-resistant and corrosion-resistant full-temperature-range measuring ceramic temperature sensor and a preparation method thereof, and belongs to the technical field of temperature sensors.The high-temperature-resistant and corrosion-resistant full-temperature-range measuring ceramic temperature sensor comprises an ultrasonic sensing ceramic rod, one end of the ultrasonic sensing ceramic rod is sequentially provided with a crystallization orientation induction layer, a piezoelectric functional layer, a protective layer and a high-temperature-resistant electrode layer from inside to outside, and the piezoelectric functional layer is a (002) oriented columnar crystal AlScCrN coating.The application has the beneficial effect that the ceramic material is applied to temperature detection as a temperature sensor, the shortcomings that a traditional thermocouple has a slow response speed and cannot work in a corrosive environment are avoided, the ceramic temperature sensor can work from a low temperature of liquid nitrogen to a high temperature of 2500 DEG C, and the temperature measurement in a wide temperature range is realized for the first time.

The utility model belongs to bearing steel pipe technical field, and disclose a kind of high-performance cold-drawn bearing steel pipe of full protection, including pipe material, the both ends of pipe material are provided with side seal protection component, pipe material is divided into matrix, outer protective structure and inner protective structure, the outer ring surface of matrix is provided with outer protective structure, the inner wall surface of matrix is provided with inner protective structure, side seal protection component includes side seal protection piece and the matching structure on pipe material, side seal protection piece is provided with installation cooperation head on the side away from pipe material, outer protective structure includes outer anti-oxidation coating, outer combined barrier layer and outer anticorrosive layer, outer protective structure includes inner anti-oxidation coating, inner combined barrier layer and inner anticorrosive layer, the utility model structure design compact and reasonable, bearing steel pipe can be comprehensively protected, can prevent foreign body scratch pipeline inner wall, can improve bearing production quality, can prevent the oxidation, corrosion of bearing steel pipe stored, can greatly improve bearing steel pipe storage time.