Jacob, KT and Priya, S and Waseda, Y (2000) Measurement of the Activity of Boron in Liquid Copper using a Four-Phase Equilibrium Technique. In: Metallurgical and Materials Transactions A, 31 (10). pp. 2674-2678.
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The purpose of this article is to report measurements on dilute Cu-B alloys at 1723 K using a new four-phase equilibrium technique. The method can be considered as an extension of the conventional procedure involving metal-slag-gas equilibration, where the gas phase containing carbon monoxide is pre-equilibrated with graphite to define the carbon and oxygen chemical potentials. Under the reducing atmosphere, liquid diboron trioxide $(B_2O_3)$ is partially reduced by graphite generating a liquid Cu-B alloy and carbon monoxide at controlled pressure. After quenching to room temperature, the concentration of B in the liquid copper is measured. The equilibrium boron concentration in copper is measured as a function of the partial pressure of carbon monoxide in the gas phase
| Item Type: | Journal Article |
|---|---|
| Publication: | Metallurgical and Materials Transactions A |
| Publisher: | Minerals, Metals & Materials Society and ASM Intl |
| Additional Information: | Copyright of this article belongs to Minerals, Metals & Materials Society and ASM Int. |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 19 Jul 2006 |
| Last Modified: | 27 Aug 2008 12:14 |
| URI: | http://eprints.iisc.ac.in/id/eprint/7908 |
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