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Reservoir Engineering- Laboratory Research - Effect of Cleavage Rate and Stress Level on Apparent Surface Energies of Rocks
By W. W. Krech, T. E. Perkins
As fractures are propagated through rocks, energy is absorbed near the extending crack tip. Apparent surface energies for several rocks have been measured by cleavage under dynamic con-ditions. At nom
Jan 1, 1967
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The Behavior Of Copper-Matte And Copper-Nickel Matte In The Bessemer Converter.
By David H. Browne
(Pittsburg Meeting, March, 1910.) NICKEL has always been a fruitful mother of problems. Previous to the year 1906 nickel was regarded as an element replacing iron in copper-mattes, and it was belie
Apr 1, 1910
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Discussion - Of Mr. Raymond's Paper on Dip and Pitch (see p. 326)
R. W. Raymond, New York, N. Y,:—Since the presentation of my note on this subject at the New York Meeting, Professor Louis has pointed out an error in my statement of his conception of " pitch "—namel
Jan 1, 1909
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Authors' Replies To Discussion Of Papers Presented At Recent Meetings
Discussion of the paper of R. J. COLONY, presented at the New York Meeting, February, 1921, and issued With MINING AND METALLURGY No. 169, January, 1921. R. J. COLONY (author's reply to discussi
Jan 8, 1921
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Spokane Paper - The Assay and Valuation of Gold-Bullion
By Frederic P. Dewey
The Bureau of the Mint of the United States Treasury maintains 13 ofEces for the purchase of gold-bullion, and this paper describes an investigation to establish the reasonable differences in the assa
Jan 1, 1910
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Institute of Metals Division - Mechanical Properties of Stainless Steel Powder - Discussion
By George A. Roberts, Arthur H. Grobe
H. H. Hausner (Sylvania Electric Products Inc., Bayside, N. Y.)—I tested the 18-8 stainless steel powder described by Grobe and Roberts and the results were excellent. The powder was compacted and sin
Jan 1, 1952
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A Summary of the Gold and Silver Edicts
By AIME AIME
HOWARD H. PRESTON, professor of economics and business at the University of Washington, presented a paper before the North Pacific Section, A.I.M.E., on Jan. 23, on the "Economic Aspects of Gold and S
Jan 1, 1934
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Producing – Equipment, Methods and Materials - Vertical Fracture Height – Its Effect on Steady-State Production Increase
By W. T. Malone, J. R. Williams, R. L. Tiner, J. M. Tinsley
Hydraulic fracturing methods for production stimulation have become a common procedure in the oil and gas industry. Fracturing treatments are performed on wells of various potentials to help increase
Jan 1, 1970
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Nonmetallic Inclusions (8152b893-62a3-4fc3-b322-c57b584e00d0)
THE solid nonmetallic inclusions present to some extent in all commercial steels have been variously designated. In early references they were usually called slag inclusions, and this terminology is s
Jan 1, 1951
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Institute of Metals Division - Mechanism of Ortho Kink- Band Formation in Compressed Zinc Monocrystals
By J. J. Gilman
The dependence of ortho kink-band formation on crystal orientation, on temperature, and on the conditions at the ends of a specimen is described. Load-compression curves for crystals that kink are pre
Jan 1, 1955
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Manufacture of Sterling Silver and Some of Its Physical Properties (b208582d-6f54-4d6a-9622-6e9f80eb3066)
By Robert Leach
THIS paper gives a brief summary of the process of manufacture of sterling silver, and some of its more important physical properties, as observed in commercial production of rolled sheet and wire. Al
Jan 1, 1928
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Book VII
By Herbert Clark Hoover, Lou Henry Hoover
SINCE the Sixth Book has described the iron tools, the vessels and the machines used in mink, this Book will describe the methods of assaying1 ores; because it is desirable to first test them in order
Jan 1, 1950
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Professional Services (117e6578-a4bd-4b25-981a-b4789e05ed4f)
[RALPH ADAIR Ore Dressing Consultant Bull Mtn. Rd., Asheville, N. C. Phone 4-1693 JAMES A. BARR Consulting Engineer Mt. Pleasant, Tennessee Washington, D.C. BEHRE DOLBEAR & COMPANY Consul
Jan 1, 1952
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Institute of Metals Division - Discussion: Effects of Surface Conditions on the Stress-Strain Curves of Aluminum and Gold Single Crystals
By I. R. Kramer
I. R. Kramer (Martin Co.)—In a recent paper Nakada and Chalmers24 reported some observations of effects of surface conditions on the stress-strain curves of aluminum and gold single crystals. It is of
Jan 1, 1965
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Chicago Paper - Discussion of Mr. Sauveur's paper on the Microstructure of Steel and the Current, Theories of Hardening (see Vol. xxvi., p. 863)
Prof. A. Ledebur, Freiberg, Saxony :* Mr. Sauveur has presented and enriched with original observations a valuable summary of the theories advanced hitherto concerning the hardening of steel; but in o
Jan 1, 1898
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The- Kaffir Mine-Laborer.
By Thomas Lane Carter
THE history of mining in South Africa differs somewhat from that of other countries in the part taken by the aborigines in the development ?of the mineral deposits. The Spaniards in America, and the f
Nov 1, 1908
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Technical Papers and Discussions - Powder Metallurgy - Introduction to Seminar-Review of Literature on Pressing of Metal Powders (Metals Tech., Aug. 1947, T.P. 2236, with discussion)
By Richard Paul Seelig
The following review covers published information on pressing of metal powders at room temperature. Only those operations are considered which occur between the time the powder is filled into the cavi
Jan 1, 1947
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Technical Papers and Discussions - Powder Metallurgy - Introduction to Seminar-Review of Literature on Pressing of Metal Powders (Metals Tech., Aug. 1947, T.P. 2236, with discussion)
By Richard Paul Seelig
The following review covers published information on pressing of metal powders at room temperature. Only those operations are considered which occur between the time the powder is filled into the cavi
Jan 1, 1947
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Papers - Gold and Silver Milling and Cyaniding - Increasing Gold Recovery from Noranda's Milling Ore
By G. C. McLachlan
Two papers dealing with Noranda's milling operations have already been presented. The first1 of these covered the initial metallurgical problems connected with the treatment of the ore, while the
Jan 1, 1935
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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