A modified high-temperature cell (up to 3300 K) for use with a cubic press

Bhaumik, SK and Divakar, C and Mohan, M and Singh, AK (1996) A modified high-temperature cell (up to 3300 K) for use with a cubic press. Review of Scientific Instruments, 67 (10). pp. 3679-3682. ISSN 0034-6748

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A high temperature-high pressure pyrophyllite cell with a graphite heater has limitations when temperature exceeds 2100 K. A conventional cell used with the cubic anvil high pressure apparatus has been modified to reach 3300 K. The heater power versus temperature calibration curve has been established using Pt-Pt10%Rh thermocouple up to 1900 K. For calibration above 1900 K, the heater powers required to initiate melting in Allt;subgt;2lt;/subgt;Olt;subgt;3lt;/subgt;, Ylt;subgt;2lt;/subgt;Olt;subgt;3lt;/subgt;, and TiBlt;subgt;2lt;/subgt;, and decomposition of amp;alpha;-SiC have been determined. The melting (or decomposition) of the specimens has been detected by examining the microstructure of the specimens recovered after pressure-temperature treatment

Item Type: Article
Uncontrolled Keywords: Calibration;High-pressure techniques;High-temperature techniques;Modified high-temperature cell;Cubic press;13; Pyrophyllite cell;High pressure;Graphite heater;Power versus temperature calibration curve;Melting;Decomposition
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Depositing User: MS Jayashree S
Date Deposited: 20 Apr 2007
Last Modified: 24 May 2010 04:25
URI: http://nal-ir.nal.res.in/id/eprint/4149

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