Columbium-vanadium Binary Alloys for High-temperature Service

Columbium and Tantalum Alloy Development

Study of Columbium and Tantalum Alloys

Columbium Alloy Development with Boron, Hafnium, and Tungsten

Columbium and Tantalum Alloy Development

Study of Columbium-base Alloys

High-temperature Columbium and Tantalum Alloys

Columbium and Tantalum Alloy Development

Columbium-hafnium Binary Alloys for Elevated Temperature Service

Phase Relations in the Alkaline Earth Fluoride-yttria Systems (in Three Parts).: 2. the BaF2-Y2O3 phase diagram, Part 2

Spectrochemical Analysis of High-purity Beryllium: Issues 6101-6120

Methods for Producing Alumina from Clay: An Evaluation of the Sulfurous Acid-caustic Purification Process, Issues 5981-6000

Recovery Percentage of Bituminous Coal Deposits in the United States (in Two Parts).: Underground mines. Part 1

Lake Superior Iron Resources: Reexamination of Nonmagnetic Taconite Occurrences in the Hibbing, Minn., Area by Flotation, Magnetic Separation, and Petrographic Methods, Issues 6981-7000

The Thermodynamic Properties of the ZnO-Fe2O3-Fe3O4 System at Elevated Temperatures (in Two Parts).: The thermodynamic properties as related to zinc concentrate roasting. 2