Hot-blast cupola—LD converter steelmakingRichter, Adolph;Cohnen, George;Jacobi, Paul
doi: 10.1007/BF03398246pmid: N/A
Abstract In order to increase output of alloy steels at the Gussstahlwerk Witten in Germany a basic hot-blast cupola was installed whereby scrap is melted into liquid iron which is charged either into an open hearth or into an LD converter, used largely for duplexing with electric-arc furnaces. The 23-metric-ton-per-hr cupola has proven successful in combination with these units in producing high-quality steels.
Solid-state physics conference in LeningradGilman, John J.
doi: 10.1007/BF03398247pmid: N/A
Abstract The roving AIME membership continues to provide the Journal of Metals with reports from the USSR. This time John J. Gilman of General Electric Research Laboratory tells of a recent international conference on “The Mechanical Properties of Non-metallic Solids” which took place in the city by the Neva.
Cadmium practice at Great FallsAlf, A. I.
doi: 10.1007/BF03398248pmid: N/A
Abstract Cadmium metal, for which the demand has increased many fold in the past several years, is a byproduct of zinc electrolysis. Here is presented the story of cadmium recovery and production in the electrolytic zinc plant of the Anaconda Co.’s Great Falls plant.
Exothermic ferromanganeseLewis, W. R.;Kimberly, R. L.;Wainwright, T. V.;Olsen, W. A.
doi: 10.1007/BF03398249pmid: N/A
Abstract No chilling effect and higher recovery are the two chief advantages which have turned steel producers toward exothermic ferroalloys—a blend of an oxidizing agent, a reducing agent, and a conventional ferroalloy. The reducing and the oxidizing agents, upon contact with the molten metal, produce sufficient heat to deliver the ferroalloy in molten state. Satisfaction has been such that use of exothermic ferroalloys has greatly multiplied since exothermic ferrochrome was introduced in 1939 by the Chromium Mining & Smelting Corp. Exothermic ferromanganese has found the broadest applications of this group of alloys and was the subject of a special session at this year’s National Open Hearth Conference. Below is presented an article on production at the Electro Metallurgical Co., and three conference reports on the use of exothermic ferromanganese: at Youngstown Sheet & Tube, Bethlehem Steel, and U. S. Steel.
High-purity calciumCreary, W. J. Mc
doi: 10.1007/BF03398250pmid: N/A
Abstract Calcium metal of high purity, important in the massive preparation of high purity uranium, has been made by fractional distillation process. Calcium so prepared has less than 1 ppm Mg and is better than 99.95 pct pure.
Ductile vanadium a new engineering materialMerrill, T. W.
doi: 10.1007/BF03398251pmid: N/A
Abstract Vanadium—discovered in 1801 and used as an alloying element for steel since the early years of this century—was produced in the pure form for the first time in 1927. A semi-commercial process for producing vanadium was not developed until 1950, and today research efforts are being extended to widen the potential market for this new metal.