High-temperature aluminum alloy base rare earth thick film circuit electric heating element and preparation technology thereof

Abstract

The invention discloses an aluminum alloy base plate-based rare earth thick film circuit controllable electric heating element and a preparation technology thereof. The electric heating element comprises a substrate and a series electronic sizing agent, wherein the series electronic sizing agent is prepared on the substrate, the series electronic sizing agent comprises a packaging sizing agent and a rare earth electrode sizing agent, and a rare earth medium sizing agent and the series electronic sizing agent respectively consist of a function phase, an inorganic bonding phase and an organic dissolvent carrier. The series electronic sizing agent is prepared on an aluminum alloy base plate in the manner of a thick film circuit. The series electronic sizing agent further comprises a series rare earth electric resistance sizing agent. The invention further discloses the prescription of the aluminum alloy base plate, the packaging sizing agent, the series rare earth electric resistance sizing agent, the rare earth electrode sizing agent and the rare earth medium sizing agent. The invention has the advantages of being high-speed in heat transfer and heat dissipation, even and controllable in heating temperature field, good in compatibility, firm in combination, large in power density, high in heat resistance and impact resistance, and the electric heating element has high-temperature far infrared function, are green, environment-friendly, energy-saving, low-carbon, safe and reliable.

Description

Technical field [0001] The invention relates to the technical field of electric heating, and more specifically, to a highly efficient rare earth thick film circuit electric heating element with a wide range of uses and its preparation technology. Background technique [0002] In the sustainable development strategy established by our country, the two important aspects involved are new energy, environmental protection and increasing energy utilization, and improving energy structure. In the field of electric heating, the new type of heating element requires small volume, large power, large surface heat load, high thermal efficiency, fast thermal start, uniform temperature field, excellent thermal conductivity, strong thermal shock resistance, and easy Processing, green, low-carbon, environmentally friendly, safe and reliable. The only thick-film circuit electric heating element that can meet the above requirements is currently in the initial development and use stage at home and ...

AI Technical Summary

Problems solved by technology

[0007] At present, rare earth thick film circuit electric heating elements applied to aluminum alloy substrates, especially electronic paste professionally used in aluminum alloy substrate systems, have not been reported at home and abroad.

And Chinese Patent Publication No.: CN101364454A, CN101740160A announced resistance paste, dielectric paste are only suitable for integrated circuit module, solar cell and LED substrate

Images