Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Part II – February 1969 - Papers - The Massive Transformation in Copper-Zinc Alloys
By John W. Cahn, David A. Karlyn, Morris Cohen
The massive B(bcc) — am (fcc) transformation in Cu-Zn alloys has been studied isothermally by pulse-heating the retained ß phase from room temperature to the reaction temperatures. The transformatio
Jan 1, 1970
-
Institute of Metals Division - Annealing Twins and Coincidence Site Boundaries in Zone-Refined Aluminum
By K. T. Aust
The occurrence of annealing twins in high-purity aluminum resulted in the formation of grain boundaries having orientation relationships which correspond to a high density of coincidence sites. The re
Jan 1, 1962
-
Thermodynamics And Coal Formation
By Walter Fuchs
IT is now generally conceded that coal is the product of deposition and transformation of debris of forests and swamps.29 Ample data are available to illustrate the metamorphosis of biochemical substa
Jan 1, 1941
-
Forthcoming Meetings Of Societies (bba576cd-9264-4d41-b56f-8aec3fad7eb3)
Organization Place Date 1917 American Institute of Architects Philadelphia,.,; Pa. Dec. 26-29 American Society of Mechanical Engineers New York City. Dec. 26-29 American Mining Congress State Chap
Jan 11, 1917
-
New York Paper - The Sulphide Ores of Copper. Some Results of Microscopic Study (with Discussion; see also p. 529)
By L. C. Graton, Joseph Murdoch
I. Introduction......................... 26 1. The Relations of Scale in Geologic Work........ 26 2. General Characteristics of Copper Sulphide Ores..... 29 3. Scope of Present Study...............
Jan 1, 1914
-
1971 Jackling Lecture – The Gold Miner and the Future of Gold
By John K. Gustafson
The title of my talk is "The Gold Miner and the Future of Gold." This title might just as accurately have been stated as "Gold and the Future of the Gold Miner." Since prehistoric times gold has been
Jan 1, 1972
-
Part VI – June 1968 - Papers - An Electron Microscope Investigation of Explosion-Bonded Metals
By Lucien F. Trueb
The microstructure of explosion-bonded pairs of similar and dissimilar metals has been investigated by electron microscopy. A review of the specific problems encountered and the methods used for obtai
Jan 1, 1969
-
Drilling–Equipment, Methods and Materials - Wellbore Pressure Surges Produred by Pipe Movement
By J. A. Burkhardt
Field measurements and theoretical studies have been made of pressure surges—momentary variations in fluid pressure—produced by movement of pipe in mud-filled boreholes. Pressure measurements were rec
-
Progress In Commercial Applications Of Zinc
By J. A. Singmaster
IT will perhaps be wise to define my terms in begin-ning to talk about my subject, especially so where the popular and commercial terminology are as con-fused as they are in the case of zinc. While ou
Jan 6, 1927
-
Minerals In Man's Future
By Zay Jeffries
From the title of this chapter the reader could expect an attempt to outline the anticipated shape of things to come, mineralwise. We have no crystal ball and if we possessed one we could claim no exp
Jan 1, 1959
-
Thompson Procedure - A Contrast For Mill Size Selection
By Richard A. Kesler, W. Michael Reed
Grindability or resistance to fine comminution is the fundamental issue involved in the application and sizing of grinding mills. Over the years, many theories for determining the amount of energy req
Jan 1, 1982
-
Translators’ Preface
THERE are three objectives in translation of works of this character : to give a faithful, literal translation of the author's statements ; to give these in a manner which will interest the reade
Jan 1, 1950
-
Minerals Beneficiation - Recent Developments in Pebble Milling
By B. S. Crocker
Pebble grinding was used at Lake Shore Mines in 1949. A full description of experimental evidence and test plant results was published in 1952 1 and further operating details in 1954 2.' In more
Jan 1, 1960
-
Conference on Production and Design Limitation and Possibilities for Powder Metallurgy (Metal Technology, January 1945) - Pole Pieces for Electric Motors Made from Iron Powder
By F. V. Lenel
This discussion is concerned with the method of manufacturing, the design possibilities, and the properties of pole pieces for direct-current electric . motors and generators made from iron powder. In
Jan 1, 1945
-
Institute of Metals Division - The Transformation in Beta-CuAl Alloys
By E. P. Klier, S. M. Grymko
The transformations in eutectoidal systems have been extensively studied as they occur in steels.' As a consequence of these studies the martensite, bainite and pearlite reactions found for most
Jan 1, 1950
-
Anaconda Accidents and Fatalities
By John Boardman
THE latest metal-mine accident report available for the United States is that of the Bureau of Mines for the calendar year 1919. Quoting from Table 20, p. 53, of that report, we find that there were 4
Jan 9, 1922
-
Papers - - Produciton - Domestic- Oil and Gas Development in Utah, 1934
By H. W. C. Prommel
While Utah remains an unimportant factor in oil production, exploratory drilling was carried on in six widely separated areas, extending from the southwest to the northeast corner of the state. One ne
Jan 1, 1935
-
Discussion of Papers Published Prior to 1958 - Energy-Size Reduction Relationships In Comminution
By R. J. Charles
F. C. Bond: This is an outstanding paper on comminution theory and represents a considerable advance in mathematical formulation. It clears the way for a discussion that should ultimately decide wheth
Jan 1, 1959
-
Some General Problems of the Mineral Industry
By Thomas T. Read
THE official title of our topic for today is "Resources of Metals and Other Strategic Minerals," but in accepting the invitation to open this discussion I claimed the privilege of being allowed to tal
Jan 1, 1929
-
Extractive Metallurgy Division - Recent Changes in Electrolytic zinc Production at Risdon, Tasmania
By J. H. Bain, D. C. Haigh, L. C. Parsons
Jan 1, 1964