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Papers - Leaching - Description of Plants - A Brief Description of the Reduction Plant of the Chile Exploration Company at Chuquicamata, Chile, S.A.
By T. C. Campbell
Copper is extracted from the Chuquicamata oxide ore by a hydro-metallurgical process. The ore is crushed to 3/8-in. sizing, and leached with a sulfuric acid electrolyte. Chlorine is precipitated. and
Jan 1, 1934
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Rock Bursts – A Symposium
By Philip B. Bucky
[ ] FOREWORD THIS symposium brings together points of view, experiences and ideas on rock bursts from a goodly portion of the globe. Some conceptions, particularly those regarding the necessity
Jan 1, 1942
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Transportation (042586c6-f593-4e6d-9031-94204a69609a)
By John C. Draper
The principal object of an underground coal mine transportation system is to move coal from the face where it is produced to the outside of the mine where it is prepared for market. In addition to the
Jan 1, 1981
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Papers - Fine-grained Structural Steels for Low-temperature Pressure-vessel Service (With Discussion)
By John J. Egan, A. B. Kinzel, Walter Crafts
The demands of the petroleum and chemical industries for steels to be used in pressure vessels and similar structures at artificially low temperatures are continually increasing, and the writing of pr
Jan 1, 1937
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PART XI – November 1967 - Papers - A High-Temperature Electromagnetic Stirrer
By W. A. Tiller, W. C. Johnston
A high-temperature electromagnetic stirrer is described in which heating and stirring are accomplished by independently controlled power sources. The appavatus is suitable lor use at temperatures up
Jan 1, 1968
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New York Paper - Mining Operations in New York City and Vicinity
By H. T. Hildage
Although Greater New York does not bear any resemblance to a great mining district, the mining operations that are being conducted in and about the city are both extensive and interesting in character
Jan 1, 1908
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Technical Papers and Notes - Institute of Metals Division - Relations of High-Temperature Properties of a Ti + Al Hardened Nickel-Base Alloy to Contamination by Crucibles
By J. W. Freeman, J. P. Rowe, R. F. Decker
HEAT-to-heat variations in properties of an alloy of constant nominal chemical composition have been a perplexing problem to the metallurgist. These heat-to-heat differences have been especially baffl
Jan 1, 1959
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Minerals Beneficiation - The Depression of Sphalerite and Pyrite by Basic Complexes of Copper and Sulfhydryl Flotation Collectors
By J. Steininger
The Hallimond tube flotation of sphalerite and pyrite with sulfhydryl collectors has been found to be inhibited near neutral pH in the presence of copper salts. Alkalimetric titration studies of the r
Jan 1, 1969
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Book XI
By Herbert Clark Hoover, Lou Henry Hoover
DIFFERENT methods of parting gold from silver, and, on the other hand, silver from gold, were discussed in the last book; also the separation of copper from the latter and further, of lead from gold a
Jan 1, 1950
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Technical Papers and Notes - Institute of Metals Division - Size Effects in the Deforrmation of Aluminum
By R. L. Fleischer, B. Chalmers
In order to observe size effects associated with a grain boundary, aluminum single crystals and bicrystals of various cross-sectional dimensions were deformed in tension. Typical stress-strain curves
Jan 1, 1959
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Institute of Metals Division - Composition of Atmospheres Inert to Heated Carbon Steel
By R. W. Gurry
In a series of charts this paper presents the composition of all gas mixtures, composed of the elements carbon, hydrogen, oxygen and nitrogen, which at temperatures from 1000° to 1800°F are in equilib
Jan 1, 1951
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A.I.M.E. Papers Published In 1945
Papers in Classes A-Metal Mining, B-Milling and Concentration, H-Industrial Minerals, and I-Mining Geology are distributed in MINING TECHNOLOGY, which is issued every Other month. Papers in Classes C-
Jan 1, 1946
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Pittsburg International Session October, 1890 Paper - The Progress of German Practice in the Metallurgy of Iron and Steel since 1876, with Special Reference to the Basic Processes
By Hermann Wedding
It is now fourteen years since we German ironmasters, in considerable number, visited the United States on the occasion of the Philadelphia Exposition, and found the iron metallurgy of this country, a
Jan 1, 1891
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PART IV - The Thermodynamic Properties of Solid Au-Ni Alloys at 775? to 935? C
By C. M. Sellars, F. Maak
Electvomotie -force measurements hazle been made on ten Au-Ni alloys at temperatures 7754 825O, 900O, and 935°C using galvanic cells with solid electrolyte. Partial and ivtegral thermodynamic function
Jan 1, 1967
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The Production Process
By Evan Just
Throughout history mining operations have, been relatively technical in character and somewhat esoteric. In ancient times mines were places where prisoners of war or criminals were sent, to drag out s
Jan 1, 1976
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Forms of Copper Found in Reverberatory Slags
By Royal Jackman
Two comprehensive papers have appeared regarding the forms of copper that occur in smelter slags, one by Frank E. Lathe1 and the other by C. G. Maier and G. D. Van Arsdale.2 These authors comment on o
Jan 1, 1933
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Minerals Beneficiation - A General Theory of Comminution
By F. X. Tartaron
This article is a continuation of a previous paper by the writer in which Kick's Law was stated to be a part of comminution theory. ln the present paper, a broadening of ideas is attempted in ord
Jan 1, 1963
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Part X - Communications - Color Metallography in Black and White
By G. R. Love, M. L. Picklesirner
THE use of color adds a new beauty, power, and versatility to metallography. This has been amply demonstrated in a number of public exhibits and on the walls of corporate, government, and university m
Jan 1, 1967
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Additional List Of Members Of The Institute In Military Service (AIME)
(The following-list contains the names of those members of the Institute of whose connection with military service we have only recently. become acquainted.) ADAIR, ARTHUR C., Corporal, 4th Co., 1st
Jan 1, 1919
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Contents of 1945 of Metals Division Volume
A New Microscopy and Its Pntentialities. By Charles S. Barrett. (Metals Technology, .April 1945) Physical Metallurgy Fundamental Principles Involved in Segregation in Alloy Castings. By R. M. B
Jan 1, 1945