Development of NiCr/NiSi Thin-Film Thermocouple Sensor for Workpiece Temperature Measurement in Chemical Explosive Material Machining  

Oleh:

Ying, Jia ; Zeng, Qiyong ; Sun, Baoyuan ; Xinlu, Deng ; Jing, Xu ; Jun, Xu

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 128 no. 1 (Feb. 2006), page 175-179.
Topik: THERMOCOUPLE HIGH-TEMPERATURE MEASUREMENT; NiCr / NiSi; thin film thermocouple; sensor; workpiece; chemical explosive; material; machining

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ93.8 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Temperature plays a vital role in the machining industry today. With increasing cutting speeds being used in machining operations, the thermal aspects of cutting have become more important. A nickel - chrome versus nickel - silicon thin - film thermocouple system has been established for measuring instantaneous workpiece temperature in chemical explosive material machining. The thin - film thermocouples have been directly deposited inside high - speed steel cutters by means of multiple arc ion plating and the thickness of the thermocouple junction is only a few micrometers. The research effort has been concentrated on developing solutions to the insulating problem between the thin - film thermocouples and the high - speed steel cutters. SiO2 insulating films have been deposited on the high - speed steel substrates by microwave electron cyclotron resonance plasma source enhanced radiofrequency (rf) reactive magnetron sputtering. Static and dynamic calibrations of the NiCr / NiSi thin - film thermocouples are presented. The results of the testing indicate that the thin - film thermocouples have good linearity, little response time, and perform excellently when machining in situ.

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