Letter | Published:

A New Alloy, ‘Stainless-Invar’

Naturevolume 131page587 (1933) | Download Citation

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Abstract

INVAR, invented by Ch. Ed. Guillaume in 1896, has a small coefficient of thermal expansion, about 1.2 × 106. Since then, no better invar has been obtained. I have, for the last six years, been engaging in the investigation of alloys having a small coefficient of expansion and obtained in June, 1929, an alloy1 containing about 63.5 per cent iron, 31.5 per cent nickel and .5 per cent cobalt, which has a smaller coefficient of expansion than that of fused silica.

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References

  1. 1

    Sci. Rep. TÔhoku Imp. Univ., 20, 101; 1931.

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  1. Research Instïtute for Iron, Steel and Other Metals, Sendai, Japan

    • KÔTARÔ HONDA

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https://doi.org/10.1038/131587c0

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