Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Institute of Metals Division - Contribution to the Bi-Mn System (Discussion, p. 1406)By H. Hansen, A. U. Seybolt, P. Yurcisin, B. W. Roberts
The Bi-Mn phase diagram in the region near BiMn was investigated, using principally thermal analysis and changes in magnetization with temperature. Of chief interest are the findings related to the ma
Jan 1, 1957
-
Institute of Metals Division - The Morphology of Brittle Fracture in Pearlite, Bainite and MartensiteBy A. M. Turkalo
IT is a well-known fact that martensitic steels show a greater resistance to brittle fracture than do pearlitic and bainitic steels. It was, therefore, thought worthwhile to investigate the mode of br
Jan 1, 1961
-
Subsidence from MiningBy Henry Louis
IN the discussion on the paper on subsidence by R. V. Norris and H. W. Montz (Teohnical Publication No. 153), H. N. Eavenson has been good enough to quote some of my views regarding the phenomena of s
Jan 1, 1929
-
Early Mining ReminiscencesBy F. W. Bradley
MY first Nevada City mining reminiscence is one of seeing Capt. Thomas Mein, over 52 years ago, in the old Wyoming mill on Deer Creek about a mile below the town of Nevada City. Captain Mein was then
Jan 1, 1929
-
Part IX – September 1968 - Papers - Deformation of Alpha PlutoniumBy R. D. Nelson, S. D. Dahlgren
The conditions of temperature, strain rate, and total strain favoring deformation by grain boundary sliding, slip, or deformation with concurrent recrystallization were evaluated for alpha plutonium.
Jan 1, 1969
-
Reservoir Engineering - General - Aids to Forecasting the Performance of Water FloodsBy R. V. Higgins
This paper presents a computer method to obtain the shape factors and equal cell volumes of the channels for any well spacing pattern from a potentiometric model. By using this program the authors hav
Jan 1, 1965
-
Philadelphia Paper - Gas-producers using BlastBy F. H. Daniels
IN this paper it is my intention to call your attention to a few of the many producers using blast, now in common use in Sweden, and also those constructed by the Washburn & Moèn Manufacturing Company
Jan 1, 1881
-
Employment (95d29bb5-2d0c-4b1e-ad08-d644259b8d26)POSITIONS VACANT The National Bureau of Standards needs men to fill metallurgical positions with salaries varying from $1200 to $2000, depending upon the training and experience of the candidate. E
Jan 10, 1917
-
Pittsburgh Paper - Notes on the Constitution of Cast-IronBy F. N. Pease, C. B. Dudley
Those who have worked a good deal on the chemistry of pig-irons of which the physical properties were known, cannot fail to have been struck by the remarkable want of relation between the physical pro
Jan 1, 1886
-
Physical Chemistry of Frozen CoalBy J. O. Glanville, L. H. Haley
Ice frozen from a dilute chemical solution is mechanically weaker than ice frozen from pure water. This phenomenon is the basis of a practical method for reducing the strength of a mass of frozen coal
Jan 1, 1983
-
Laboratory Extraction of Copper from Chalcocite by Roasting, Reduction and Smelting (57da26f8-029b-4323-bcb0-8de7b649547d)By R. B. Schluter, M. M. Fine
A process for winning copper from pelletized chalcocite concentrate without matte smelting and converting is under development at the Twin Cities Metallurgy Research Center of the U.S. Bureau of Mines
Jan 1, 1972
-
Metallurgical Flowsheet DevelopmentBy Harmel A. Dawson, Robert A. Wilson
First the basic steps to determine the values present and the minerals involved which are the basis for the metallurgical testing are presented in this paper. Next, choosing the process or processes i
Jan 1, 1978
-
A New Approach to Taconite UtilizationBy John J. Howard
WE are approaching the depletion of our principal source of iron ore-the Great Lakes deposits, which have provided 85% of the nation's requirements for the past fifty years. This situation presen
Jan 5, 1950
-
Economic Aspects of FlotationBy Galen H., Clevenger
THE first and most important thing that affects the majority of lead producers in the Rocky Mountains and the western mining regions is that zinc in an ever-increasing degree is inseparably associated
Jan 1, 1926
-
Geological Survey of CaliforniaBy Walter W. Bradley, OLAF P. JENKINS
IN April of this year the California State Division of Mines (formerly known as the State Mining Bureau) observed its 50th anniversary. The Division serves as a bureau of information and, an encyclopa
Jan 1, 1930
-
Kentucky Fluorspar and Its Value to the Iron- and Steel-IndustriesBy F. Julius Fohs
CENTRALLY located with relation to the largest iron- and steel-producing districts of the United States, the fluorspar-deposits of Kentucky possess increasing interest and importance. As typical of th
Apr 1, 1909
-
An Electron Diffraction Study Of Oxide Films Formed On Alloys Of Iron, Cobalt, Nickel And Chromium At High TemperaturesBy E. A. Gulbransen, J. W. Hickman
IN a previous paper1 the authors have investigated the structure of the oxide films formed on most of the metals that make up the alloys of this study. The metals were studied in order to provide basi
Jan 1, 1946
-
Fires And Explosions (129fde00-2920-49fe-bff0-9fa97b546bb3)By Ray Light, Everett M. White
Numerous articles have been written about the coal miner ; he has been compared with brave men who have gone out to conquer some unknown hazard throughout the ages. Now, however, modern mining is no l
Jan 1, 1981
-
Part III - Papers - Empirical Studies on the Absorption and Emission of the Phosphor YVO4: EuBy R. K. Datta
Eluropium -activated yttrium vanadate, excited by short- and long-wavelength ultraviolet radiations, shows enzission lines near 6100A, the principal ones correspondirzg to transitions of EU+3 ions fro
Jan 1, 1968
-
The Use Of Contour Surfaces As Predictive Models For Ore ValuesBy S. R. du Toit, W. J. Oberholzer, M. I. Watson, D. G. Krige
The objectives, essential features and implications of the 'random' and 'deterministic' types of ore value surfaces are examined as well as the basic requirements for a satisfactor
Jan 1, 1969