INNOVACERA | technical ceramic solutions

Hair straightener heating elements work through repeated heating and cooling during normal use. The heater may stay at high temperatures for long periods, and its ceramic body and connection parts can also be exposed to mechanical stress during assembly and operation. Over time, these conditions may affect the heating element in different ways. Thermal stress, electrical problems, mechanical damage and temperature control issues can all lead to heater failure. In some cases, several factors may occur together. The main failure modes include thermal cycle fatigue, overheating, electrical failure, mechanical damage, poor electrical connections and abnormal temperature control. A clear understanding of these problems can help manufacturers make better decisions about materials, heater structure and control systems.   I. Thermal Cycle Fatigue   1.1 Effects of Repeated Heating and Cooling The heating element changes temperature every time a hair straightener is used. It expands whe...

AluminAluminum Nitride Ceramic Heating Plate Characteristics The heater can have a built-in K-type thermocouple, so it has good temperature sensing characteristics, improves its responsiveness to rapid heating and cooling, and can be used safely. Fast heating and cooling The aluminum nitride substrate with high thermal conductivity car be used to achieve rapid heating and cooling, and the therma expansion rate can be used according to the material properties to design under high power density, so it can also be used for rapio heating and cooling (both 150'c/ sec) temperature cycle. Excellent electrical performance Excellent insulation and voltage resistance at high temperatures. Thermal Properties Thermal Conductivity 150 (W/mK) Thermal Expansion Coefhcient 4.5 (ppm/c) Physical Properties Density 3.2 (g/cm3) Hardness 1050(Hv@500g) Flexure Strength >250 (MPa) Electrical Characteristics Voltage 12V-240V Leakage <1mA Capacitivity 8.9 Insulation Voltage 15KV/mm