Carbon Dioxide Entrained Steel

Abstract

Millions of tons of steel are manufactured each year around the world. Typically gas filled void spaces within a steel matrix are not a desirable attribute in any application. With an increasing need to monitor and address carbon dioxide emissions it is desirable to utilize this by-product of current industrial processes and the internal structure of steel provides a unique place to keep carbon dioxide. With the addition of carbon dioxide into the steel matrix during or before casting the final product will have altered strength characteristics, however it will also add the advantage of certain benefits such as increased strength to weight ratio for the over all steel component. Variation in gas volume and distribution will allow for a variety of new products.

1 ) Carbon dioxide containing steel, where void spaces within the steel are filled with carbon dioxide. 
     
     
         2 ) Steel containing carbon dioxide (visually similar to a foam), where the percentage, by volume, of carbon dioxide is greater than that of the steel, within a set boundary applicable to the comparison of the two volumes. 
     
     
         3 ) The use of steel as a sequestration volume for carbon dioxide.