Exploitation of deformation mechanisms for industrial usage...

Details Exploitation of deformation mechanisms for industrial usage... Exploitation of deformation mechanisms for industrial usage...

C - Chemistry, Metallurgy

22

C

C22C 45/02 (2006.01)

Patent

CA 2742706

The present disclosure relates to a glass forming alloy. The glass forming alloy may include 43.0 atomic percent to 68.0 atomic percent iron, 10.0 atomic percent to 19.0 atomic percent boron, 13.0 atomic percent to 17.0 atomic percent nickel, 2.5 atomic percent to 21.0 atomic percent cobalt, optionally 0.1 atomic percent to 6.0 atomic percent carbon, and optionally 0.3 atom-ic percent to 3.5 atomic percent silicon. Furthermore, the glass forming alloy includes between 5 % to 95 % by volume one or more spinodal glass matrix microconstituents which include one or more semi- crystalline or crystalline phases at a length scale less than 50 nm in a glass matrix. In addition, the glass forming alloy is capable of blunting shear bands through localized defor-mation induced changes under tension.

Cette invention concerne un alliage vitrifiant. Lalliage vitrifiant peut comprendre de 43,0 à 68,0% de fer en pourcentage atomique, de 10,0 à 19,0% de bore en pourcentage atomique, de 13,0 à 17,0% de nickel en pourcentage atomique, de 2,5 à 21,0% de cobalt en pourcentage atomique, optionnellement de 0,1 à 6,0% de carbone en pourcentage atomique, et optionnellement de 0,3 à 3,5% de silicium en pourcentage atomique. En outre, lalliage vitrifiant comprend de 5 à 95% ou plus, en volume, de microconstituants spinodaux de matrice vitreuse comprenant une ou plusieurs phases semi-cristallines ou cristallines dune échelle de grandeur inférieure à 50 nm dans une matrice vitreuse. De plus, lalliage vitrifiant permet de réduire les bandes de cisaillement créées par des modifications induites par déformation localisée sous tension.

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