Unusual Microstructure in Iron and Tungsten

Abstract

IN the Metallurgist for June 24, 1927, page 88, F. S. Tritton describes some unusual microstructures in iron. One of these, originally described by Andrews in 1895, is found in pure re-melted electrolytic iron in the cast condition. The large crystals of which it is composed appear to be broken up by numerous sub-boundaries, but the etching tints indicate that these secondary grains have nearly a uniform orientation within the boundaries of the main crystal. Tritton has confirmed this by the appearance of the slip planes when the metal is strained.

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SMITHELLS, C., ROOKSBY, H. Unusual Microstructure in Iron and Tungsten. Nature 120, 226–227 (1927) doi:10.1038/120226b0

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