▎ 摘　　要

NOVELTY - Heat-resistant pressure sensor material comprises 12-14 pts. wt. chromium, 3-5 pts. wt. carbon, 8-10 pts. wt. titanium dioxide, 1-2 pts. wt. graphene, 2-4 pts. wt. rare earth element, 6-10 pts. wt. silicon carbide, 2-4 pts. wt. silicon dioxide, 3-5 pts. wt. aluminum oxide, 3-5 pts. wt. barium titanate, 6-8 pts. wt. titanium tetrachloride, 1-2 pts. wt. sodium hydroxide, 0.2-0.4 pts. wt. ethylenediaminetetraacetic acid, 0.8-1.2 pts. wt. magnesium oxide, 2-3 pts. wt. dispersant, and 6-10 pts. wt. adhesive. USE - Used as heat-resistant pressure sensor material. ADVANTAGE - The pressure sensor material: overcomes the deficiencies of the existing technology, improves the heat resistance performance of the sensor material, reduces the influence of the high temperature environment on the sensor detection, and enhances the aging resistance performance of the product, and is suitable for popularizing production and use. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation of the heat-resistant pressure sensor material comprising (1) mixing titanium tetrachloride, sodium hydroxide and magnesium oxide in a ball mill for a specific period of time, adding ethylenediaminetetraacetic acid at a temperature of 350-400 degrees C for preheating, and then heating to 850-890 degrees C under the protection of argon gas, high temperature sintering to obtain the first mixture; (2) adding chromium to aluminum oxide, silicon dioxide, silicon carbide, adding deionized water, performing wet ball milling in a ball mill for a specific period of time, and then performing high temperature forging in a high pressure forging furnace at a temperature of 920-980 degrees C 1-1.2 hours to obtain the second mixture; (3) adding the above second mixture to first mixture, and placing barium titanate in a ball mill for ball milling, and then uniformly stirring, and then sintering at a temperature of 600-650 degrees C, and then heating to a temperature of 1050-1100 degrees C under nitrogen, smelting the mixture for 2-3 hours under protection to obtain the third mixture; (4) adding the above third mixture to the carbon, ball milling in a ball mill, and then adding the rare earth element in an atmosphere protected by argon gas at a temperature of 500-600 degrees C for a specific period of time to obtain fourth mixture; and (5) adding the above fourth mixture to titanium dioxide, graphene and dispersant in a ball mill for ball milling, ball milling, adding a adhesive and deionized water in a mixer, stirring at high speed, stirring uniformly, and spraying granulation on the mixture to obtain the pressure sensor material.