Abstract: A method for measuring surface temperature of a turbine blade includes following steps: step 1: cleaning a turbine blade and blowing dry; step 2: firstly, preparing a NiCrAlY (nickel-chromium-aluminum-yttrium) buffer layer and then preparing an YSZ (yttria-stabilized zirconia) insulating layer; step 3, preparing alumina sol; step 4, preparing an alumina insulating layer; step 5, preparing a strip-shaped platinum electrode layer; step 6, preparing a platinum-filled lead wire; step 7: firstly, connecting a platinum wire to a surface of a tail end of the strip-shaped platinum electrode layer, and then connecting a nickel-chromium alloy wire to a tenon end of the turbine blade; step 8, preparing alumina protective layers; and step 9, connecting two cold junctions of a thermocouple with a data collector.

Abstract: A method for measuring surface temperature of a turbine blade includes following steps: step 1: cleaning a turbine blade and blowing dry; step 2: firstly, preparing a NiCrAlY (nickel-chromium-aluminum-yttrium) buffer layer and then preparing an YSZ (yttria-stabilized zirconia) insulating layer; step 3, preparing alumina sol; step 4, preparing an alumina insulating layer; step 5, preparing a strip-shaped platinum electrode layer; step 6, preparing a platinum-filled lead wire; step 7: firstly, connecting a platinum wire to a surface of a tail end of the strip-shaped platinum electrode layer, and then connecting a nickel-chromium alloy wire to a tenon end of the turbine blade; step 8, preparing alumina protective layers; and step 9, connecting two cold junctions of a thermocouple with a data collector.

Abstract: Disclosed in the present disclosure are a surface-acoustic-wave temperature and pressure sensing device and a manufacturing method thereof.

Abstract: The present disclosure discloses a surface acoustic wave temperature sensor and a manufacturing method thereof. The surface acoustic wave temperature sensor includes a sensing module and an antenna module electrically connected to each other. The antenna module includes a first high-temperature-resistant substrate and a patterned antenna formed on a surface of the first high-temperature-resistant substrate, a recess is formed in a first surface of the first high-temperature-resistant substrate, and the sensing module is fixed in the recess. The sensing module and the antenna module of the surface acoustic wave temperature sensor provided by the present disclosure form a whole. Therefore, compared with the prior art, the volume is greatly reduced, and wireless passive temperature monitoring in a high-temperature and narrow space can be better implemented. Moreover, the sensing module can be integrated in the antenna module, and such a structure is more convenient for batch processing.

Abstract: Provided are an ion thruster and a fabrication method thereof. The method for fabricating the ion thruster comprises: stacking and laminating a plurality of prefabricated ceramic chips (p) to form a front portion (51); stacking and laminating a plurality of prefabricated green ceramic chips (p) to form a rear portion (B); assembling the front portion (51) and the rear portion (B) and placing in a sintering mold, and allowing the front portion (51) to be closely fitted with a tapered portion (b1) of the rear portion (B); placing a main cathode (1) into a cathode hole (k1) on the front portion and filling the cathode hole (k1) with a ceramic slurry to fix the main cathode (1); and placing the sintering mold in a heating furnace for sintering. For the ion thruster, a modular processing method is adopted. A method of stacking a plurality of prefabricated green ceramic chips (p) together and laminating them is used when each module is manufactured.

Abstract: Some embodiments of the disclosure provide an optical fiber Fabry-Perot sensor (1), and a manufacturing method thereof. According to an embodiment, the optical fiber Fabry-Perot sensor (1) includes a hollow tube body (10), a first optical fiber (20), and a second optical fiber (30). The hollow tube body (10) has a first tube body (11), a cavity portion (12), and a second tube body (13) sequentially arranged in an axial direction. The first optical fiber (20) is provided within the first tube body (11) in the axial direction and has a first light guide end face (21) provided within the cavity portion (12). The second optical fiber (30) is provided in the second tube body (13) in the axial direction and has a second light guide end face (31) provided within the cavity portion (12).

Abstract: Some embodiments of the disclosure provide an optical fiber Fabry-Perot sensor (1), and a manufacturing method thereof. According to an embodiment, the optical fiber Fabry-Perot sensor (1) includes a hollow tube body (10), a first optical fiber (20), and a second optical fiber (30). The hollow tube body (10) has a first tube body (11), a cavity portion (12), and a second tube body (13) sequentially arranged in an axial direction. The first optical fiber (20) is provided within the first tube body (11) in the axial direction and has a first light guide end face (21) provided within the cavity portion (12). The second optical fiber (30) is provided in the second tube body (13) in the axial direction and has a second light guide end face (31) provided within the cavity portion (12).