Carbon in Platinum and Palladium: Solubility Determinations and Diffusion at High Temperatures

By G. L. Selman; P. J. Ellison; A. S. Darling

doi:10.1595/003214070X1411420

ISSN: 0032-1400

oa Carbon in Platinum and Palladium

Solubility Determinations and Diffusion at High Temperatures
Authors: By G. L. Selman¹, P. J. Ellison¹ and A. S. Darling¹
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Affiliations: ¹ Research Laboratories, Johnson Matthey & Co Limited
Source: Platinum Metals Review, Volume 14, Issue 1, Jan 1970, p. 14 - 20
DOI: https://doi.org/10.1595/003214070X1411420
- Published online: 01 Jan 1970

Abstract

Carbon diffuses rapidly through heated membranes of platinum and palladium even though its solubility in the former metal is less than 0.02 per cent by weight at 1700°C. Palladium takes up more than 0.4 per cent by weight of carbon at 1400°C and this interstitial solubility hardens it considerably and distends the lattice. The effects of carbon on the microstructure and mechanical properties of platinum and palladium are described in this article, which dispels some illusions and surveys the practical consequences of the constitutional relationships observed.

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References

L. T Collier, T. H Harrison, G. W. A. Taylor, Trans. Faraday Soc., 1934, 30, 581 [Google Scholar]
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Carbon in Platinum and Palladium

Platinum Metals Review 14, 14 (1970); https://doi.org/10.1595/003214070X1411420

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Article Type: Research Article

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oa Carbon in Platinum and Palladium

Solubility Determinations and Diffusion at High Temperatures

Abstract

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