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Lead And Zinc – A Long-Term View Of Properties, Markets And Research
By S. F. Radtke
The properties and characteristics of lead and zinc have made these metals useful to man in many ways since the days of antiquity. Despite their long history of use, however, these metals have proved
Jan 1, 1970
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Technical Notes - Plastic and Elastic Stresses Around a Circular Shaft in a Hydrostatic Stress Field
By F. D. Wright, H. D. Fara
The solution to the plastic and elastic stresses around a circular shaft in a hydrostatic stress field that has appeared in two editions of a widely used book on rock mechanics1 is in error. Although
Jan 1, 1963
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The Constitution Of Copper-Iron And Copper-Lead-Iron Mattes.*
By Ivan E. Goodner, Charles H. Fulton
THE subject of the constitution of copper-iron mattes has received considerable attention in recent years by Keller,1 Bolles,2 Hofman,3 and Gibb and Philp.4 Still more recently Friedrich, Röntgen, Wie
Nov 1, 1908
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Part IX - Communications - On the Observation of "Ghost Boundaries" produced During Grain Growth in Dilute Cadmium Alloys
By P. Niessen, W. C. Winegard, C. J. Beingessner
DURING the last 10 years, several grain-growth studies have been made using zone-refined metals with controlled amounts of solute to elucidate the interaction of solute with moving boundaries. In all
Jan 1, 1967
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Petroliferous Rocks In Serra Da Baliza
By Euzebio De Oliveira
ONE of a recent batch of samples from the Serra da Baliza, in the state of Parana, Brazil, contained asphalt and a dark heavy oil; and workmen on the railway from Porto União to Uruguay discovered asp
Jan 4, 1921
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Copper-Conservation and Substitution
By Zay Jeffries
AN acute current shortage of copper, with the prospect that conditions may become worse, indicated by Office of Production Management information. Present estimates of copper requirement for defense i
Jan 1, 1941
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Losses Of Crude Oil In Steel And Earthen Storage
By O. U. Bradley
THE extent of losses, due to evaporation, sediment, and water, in crude oil stored in steel tanks, is a very interesting question, and particularly so at this time, when every reasonable measure shoul
Jan 7, 1918
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Production Of Sound Billet-Type Ingots
By B. C. Blake
IN general, billet-type or long slender ingots are used when it is desired to produce directly from the ingot in one conversion a product of medium or small cross-sectional area. They are designed to
Jan 1, 1947
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The Smelting Of Copper 'ores In The Electric Furnace.
By Dorsey Lyon
I. INTRODUCTION. In presenting, this paper the writers wish to call attention first of all to the fact that the electric furnace was not developed as a competitor of the combustion furnace, but: 1.
Jan 8, 1913
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Gold-Dredging On The Choco Rivers, Republic Of Colombia, South America.
By Henry S. Washington
Introduction. It Still Rains On The Choco ! I Well Remember One Evening A Dozen Years Ago, While. Traveling Toward The Town Of Negua In A Small Champa Or Dug-Out Canoe, The Rain Fell So Heavily That
Sep 1, 1908
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The Technique of Powder Metallurgy
By Charles Hardy
?POWDER METALLURGY? is the production of semiformed or fully formed metal products by compressing metal powders. It had its beginnings in the fabrication of tungsten and molybdenum bars and wire by co
Jan 1, 1936
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Iron and Steel Division - Activities in Dilute Liquid Solution Fe-Si-O (TN)
By T. C. M. Pillay, John Chipman
The Si-0 equilibrium in liquid iron was investigated in some detail by Gokcen and Chipman1 who reported equilibrium constants of the following reactions: In each case the thermodynamic equilibrium
Jan 1, 1962
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The Assay and Valuation of Gold-Bullion
By Frederic P. Dewey
THE Bureau of the Mint of the United States Treasury maintains 13 offices for the purchase of gold-bullion, and this paper describes an investigation to establish the reasonable differences in the ass
Aug 1, 1909
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Institute of Metals Division - Creep Fracture of Thoriated Nickel (TN)
By B. A. Wilcox, A. H. Clauer
DURING the course of an investigation on the high-temperature creep behavior of TD Nickel* (Ni + 2) vol pct ThO2), it was observed that the creep fractures were similar in appearance to low-tempera
Jan 1, 1965
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Selection Of Motors - Drive Trains- Electrical Circuitry For Comminution Circuits
By M. N. Brodie, John Chapman
INTRODUCTION - DEFINITION & HISTORICAL PERSPECTIVE While this symposium is concerned with comminution which, by definition, relates to all stages of size reduction of an ore body to a form suitabl
Jan 1, 1982
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Institute of Metals Division - The Measurement of the Tetragonality of Ferrous Martensite (TN)
By F. W. Schaller
TETRAGONALITY is an important aspect of the models of transformation, strengthening, and tempering of ferrous martensite. When the c/a
Jan 1, 1963
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Nickel and Its Alloys
By A. J. WADHAMS
THE relative importance of things is a fascinating subject for thought. As we look about us we realize the Creator of all things has provided the metals for our use, each in the quantity needed-iron i
Jan 1, 1929