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  • AIME
    Minerals and Mining in South Africa - A Variety of Mineral Products Supports the Economy of the Union

    By Sidney H. Haughton

    FOLLOWING the discovery of diamonds in 1870 and the Witwatersrand gold fields in 1886 South Africa changed from a predominantly pastoral country with a scattered white population into a land whose eco

    Jan 1, 1946

  • AIME
    Summary of Symposium on Stress-Corrosion Cracking

    By E. A. Anderson

    In 1918 the American Society for Testing Materials held a symposium2 on what was then known as season cracking. The sessions included six papers, all on brass. During the ensuing 26 yr., many new work

    Jan 1, 1945

  • AIME
    Chlorination-grade feedstock from domestic ilmenite

    By G. W. Elger, H. E. Bell, J. E. Tress, J. B. Wright

    This paper describes laboratory techniques and subsequent results of US Bureau of Mines (USBM) research to produce chlorination-grade feed- stock from an abundant, low-grade, domestic, rock ilmenite o

    Jan 1, 1986

  • AIME
    Rate Of Growth Of Intermediate Alloy Layers In Structurally Analogous Systems

    By R. F. Mehl, B. Lustman

    THE formation of intermediate phase layers in cementation processes has been subjected to extensive qualitative investigation though to relatively little quantitative study; this work has recently bee

    Jan 1, 1942

  • AIME
    Papers - Steelmaking - Distribution of Manganese and of Sulphur between Slag and Metal in the Open-hearth Furnace (T.P. 1481, with discussion).

    By B. M. Larsen, L. S. Darken

    Some years ago we collated all laboratory data then available to us on the distribution at equilibrium of manganese and of sulphur between metal and simple slags, and used the results in setting up an

    Jan 1, 1942

  • AIME
    Papers - Steelmaking - Distribution of Manganese and of Sulphur between Slag and Metal in the Open-hearth Furnace (T.P. 1481, with discussion).

    By B. M. Larsen, L. S. Darken

    Some years ago we collated all laboratory data then available to us on the distribution at equilibrium of manganese and of sulphur between metal and simple slags, and used the results in setting up an

    Jan 1, 1942

  • AIME
    Personal (5e163ae6-ebfc-4650-80d5-1cda80c60489)

    The following is an incomplete list of members and guests who called at Institute headquarters during the period Feb. 10, 1918 to Mar. 10, 1918: W. G. Anderson, St. John, N. B., Canada. Charles E. Lo

    Jan 4, 1918

  • AIME
    Distribution Of Manganese And Of Sulphur Between Slag And Metal In The Open-Hearth Furnace

    By B. M. Larsen, L. S. Darken

    SOME years ago we collated all laboratory data then available to us on the distribution at equilibrium of manganese and of sulphur between metal and simple slags, and used the results in setting up an

    Jan 1, 1942

  • AIME
    Bethlehem Probationary Observation Circuit

    By H. T. Morris

    ONE of the chief concerns of the Bethlehem Steel Co. naturally is the proper functioning of its organization. This involves the training of a continuous supply of younger men to fill the vacancies cau

    Jan 7, 1928

  • AIME
    Sub Level Open Stope Ventilation Design at Mount Isa

    By C. P. Melloy

    INTRODUCTION Ventilation practice at Isa Mine has been evolving since underground mining began in 1931. Much fundamental work has been conducted and reported regarding the primary ventilation syst

    Jan 1, 1981

  • AIME
    Part IV – April 1968 - Papers - Microhardness and Microhardness Anisotropy of Tungsten

    By G. D. Rieck, G. H. G. Vaessen, D. L. Vogel

    Both doped and undoped tungsten single crystals exhibit hardness anisotropy with respect to the direction of testing in each of the crystallographic phes investigated. The hardness anisotropy of undo

    Jan 1, 1969

  • AIME
    Reservoir Engineering - Effects of Transient Conditions in Gas Reservoirs

    By D. T. MacRoberts

    A simple disturbance in a gas reservoir travels with a finite velocity which is nearly independent of the amplitude of the disturbance. As a result very complex transients may be set up which seriousl

    Jan 1, 1949

  • AIME
    Reservoir Engineering - Effects of Transient Conditions in Gas Reservoirs

    By D. T. MacRoberts

    A simple disturbance in a gas reservoir travels with a finite velocity which is nearly independent of the amplitude of the disturbance. As a result very complex transients may be set up which seriousl

    Jan 1, 1949

  • AIME
    Calculations With Reference To The Use Of Carbon In Modern American Blast Furnaces

    By Richards J. W.

    J.W. RICHARDS, South Bethlehem, Pa. (communication to the Secretary?).-Mr. Howland's paper, data and conclusions have interested me intensely, and have led me to study carefully the record-of his

    Jan 1, 1917

  • AIME
    Mining - A Laboratory Method of Determining the Thermodynamic Efficiency of High Explosives

    By Joseph J. Yancik, Leonard L. Felts, George B. Clark

    LITTLE information has been published concerning the actual or useful amount of energy obtained from explosives when they are used for blasting. To provide more data on this subject, 8-in. neet cement

    Jan 1, 1957

  • AIME
    Papres - Metal Mining - Development, Equipment and Operation of the Blueberry Mine, Marquette Iron District

    By R. S. Archibald, L. S. Chabot

    The Blueberry mine is about 10 miles west of Ishpeming, Marquette County, Michigan. The property consists of about 2000 acres in sees. 3, 4 and 5, T. 47, N.R. 28W. and secs. 32, 33 and 34, T. 48, N.R.

    Jan 1, 1937

  • AIME
    Part X – October 1968 - Papers - The Free Energy of Formation of ReS2

    By Juan Sodi, John F. Elliott

    The standard free energy of ReS2 has been measured in the range of 1050° to 1250°K using H2/H2S mixtures and a slight variation of the method described by Hager and Elliott.1 The result is: The exp

    Jan 1, 1969

  • AIME
    Small Business and Big Business in Mining

    By Louis Ware

    BEFORE the war we often heard the term "Big Business." And there were complaints of the ills and abuses attributed to bigness in business. Although there were examples where the small businessmen spok

    Jan 1, 1945

  • AIME
    Papers - Process of Precipitation from Solid Solution, I-A Crystallographic Mechanism for the Aluminum-copper Alloys (T. P. 1186)

    By Carl H. Samans

    In their recent complete review of the subject of age-hardening,' R. F. Mehl and L. K. Jetter classify the main types of precipitation-hardening alloys under two headings, depending upon the natu

    Jan 1, 1940

  • AIME
    Papers - Process of Precipitation from Solid Solution, I-A Crystallographic Mechanism for the Aluminum-copper Alloys (T. P. 1186)

    By Carl H. Samans

    In their recent complete review of the subject of age-hardening,' R. F. Mehl and L. K. Jetter classify the main types of precipitation-hardening alloys under two headings, depending upon the natu

    Jan 1, 1940