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Articles 31 - 51 of 51
Full-Text Articles in Metallurgy
The Immersion Coating Of Indium Upon Magnesium From Sulphate Solutions Containing Flourides, John J. Harrington
The Immersion Coating Of Indium Upon Magnesium From Sulphate Solutions Containing Flourides, John J. Harrington
Bachelors Theses and Reports, 1928 - 1970
The thesis problem that will be discussed in this report is an investigation of a method of plating a coating of indium upon magnesium and magnesium alloys. The method used to accomplish the final results is the immersion process. It can be defined as the process of coating a metal with a second metal by immersing the first in a solution containing ions of the second.
Variation Of Induction And Hysteresis Curves For The Heusler Alloy, Cu2mna1, Ford W. Knight
Variation Of Induction And Hysteresis Curves For The Heusler Alloy, Cu2mna1, Ford W. Knight
Bachelors Theses and Reports, 1928 - 1970
The purpose of this investigation is to determine the fundamental magnetic characteristics of induction and hysteresis, for the alloy Cu2MnAl. This is a ternary, ferromagnetic Heusler alloy. The problem is not only to determine these characteristics for the alloy as-cast but to heat treat it and observe the manner in which different heat treatments affect these two fundamental magnetic characteristics.
The Mechanical Production Of Zinc Dust, Robert F. Payne
The Mechanical Production Of Zinc Dust, Robert F. Payne
Bachelors Theses and Reports, 1928 - 1970
It was the purpose of this investigation to delve further into the possibility of producing, by mechanical means, a zinc dust which might be suitable for the purification of zinc leach solution.
The Metallography Of Aluminum Casting Alloys, Donald D. Goehler
The Metallography Of Aluminum Casting Alloys, Donald D. Goehler
Bachelors Theses and Reports, 1928 - 1970
The purpose of this thesis is to supply the Montana School of Mines with an up to date source of information concerning the metallography of aluminum casting alloys. This thesis is designed as a continuing project. Ultimately, it is hoped that a catalog containing all the typical structures of aluminum casting alloys will develop.
An Investigation Of The Hardening Properties Of Some Alpha Copper Indium Alloys, Charles W. Mcpherson
An Investigation Of The Hardening Properties Of Some Alpha Copper Indium Alloys, Charles W. Mcpherson
Bachelors Theses and Reports, 1928 - 1970
Precipitation hardening alloys has assumed a major role in modern day development of alloys. In his search for stronger, harder materials, the metallurgist has often been limited by the cost of metals which posses the needed properties.
The Influence Of Copper Upon The Age Hardening Properties Of Steel, Andre Rey
The Influence Of Copper Upon The Age Hardening Properties Of Steel, Andre Rey
Bachelors Theses and Reports, 1928 - 1970
The virtues of alloy steels have been widely publicized in both technical literature and everyday advertising. Nearly everyone possessing a slight knowledge of metallurgy knows the beneficial effects of chromium in the manufacture of stainless steels, or the importance of nickel, molybdenum, vanadium, and other common elements used to alloy steels.
The Electrolytic Purification Of An Impure Cadmium Sulfate Solution With A Cell Utilizing A Mercury Cathode And A Lead Anode, W. D. Mcmaster
The Electrolytic Purification Of An Impure Cadmium Sulfate Solution With A Cell Utilizing A Mercury Cathode And A Lead Anode, W. D. Mcmaster
Bachelors Theses and Reports, 1928 - 1970
Cadmium is produced solely as a by-product and all cadmium of commerce is obtained from zinc ores. It is a rare occurrence when zinc deposits are found which do not contain some cadmium.
Electrowinning With Amalgam Electrode, Ralph V. Anderson Jr.
Electrowinning With Amalgam Electrode, Ralph V. Anderson Jr.
Bachelors Theses and Reports, 1928 - 1970
Amalgam Metallurgy, a relatively new expression in the technology of metal extraction, was first chosen to describe certain new processes developed at the Duisburg Copper Works in Germany. The idea of using mercury, a costly and poisonous metal, as an intermediate in heavy chemical industry and in polarography are of recent origin; with the exception of a series of patents of little significance and occasional comments in the literature, the work is hardly known.
Determination Of The Activities Of Indium And Mercury And The Vapor Pressures Of Mercury Over These Amalgams From 0.00216 To 0.02494 Mole Fraction Indium At 25 C And From 0.00067 To 0.02410 Mole Fraction Indium At 70 C By Electromotive Force Measurements, Arthur H. Lutts
Bachelors Theses and Reports, 1928 - 1970
This work was performed to determine by experimental means the activities of both indium and mercury and the vapor pressures of mercury over these amalgams at 25 and 70 C.
Electrowinning Versus Electrorefining Of Blister Copper, Frank J. Vorell
Electrowinning Versus Electrorefining Of Blister Copper, Frank J. Vorell
Bachelors Theses and Reports, 1928 - 1970
In the following sections of this report, I will discuss as fully as possible both the theoretical and practical aspects of the roasting, leaching, and electrowinning steps, as well as the economic considerations of the process. The results of my laboratory work will, of course, be integrated to the process.
Resistance Of Solid Inconel To Attack By Liquid Indium, David C. Hendra
Resistance Of Solid Inconel To Attack By Liquid Indium, David C. Hendra
Bachelors Theses and Reports, 1928 - 1970
The role of liquid metals in industry is rapidly becoming of increasing importance. The physical and chemical tendencies of metals in the liquid condition must be ascertained before a metal in this form can be put to practical usage. In very many stages of mineral processing and recovery, in molten-metal baths for temperature control on heat treating, and in several industries where heat transfer is an important aspect, metals may be at one time or another in a liquid condition.
Isothermal Transformation Of S.A.E. 6150 Steel By The Magnetic Permability Method, Richard R. Douglas
Isothermal Transformation Of S.A.E. 6150 Steel By The Magnetic Permability Method, Richard R. Douglas
Bachelors Theses and Reports, 1928 - 1970
Since the purpose of this thesis is primarily to present an improved mechanical method for plotting isothermal transformations by means of differential magnetic permeability between untransformed austenite and its ultimate transformation product.
An Investigation Of The Precipitation Of Cobalt With Zinc Dust, Lyle Hallberg
An Investigation Of The Precipitation Of Cobalt With Zinc Dust, Lyle Hallberg
Bachelors Theses and Reports, 1928 - 1970
Cobalt, as well as copper, cadmium, and other impurities, is removed by selective precipitation with zinc during the zinc electrolyte purification cycle, and the purification residue may be treated by a Cadmium Plant for the recovery of cadmium.
An Investigation Of Silicon Impregnation Of Low-Carbon Steels, Thomas E. Groce
An Investigation Of Silicon Impregnation Of Low-Carbon Steels, Thomas E. Groce
Bachelors Theses and Reports, 1928 - 1970
A problem of metallurgy during the last part of the Nineteenth and the early Twentieth Century, and one that stood very near the front, was investigations of methods to produce a non-corrosive surface on iron and steel without affecting the physical properties of these base metals.
A Study Of The Transformation Of A Twenty-Eight Per Cent Tin Bronze, Perry A. Boukind
A Study Of The Transformation Of A Twenty-Eight Per Cent Tin Bronze, Perry A. Boukind
Bachelors Theses and Reports, 1928 - 1970
In this investigation, attention is directed to the phases covered by a 28 per cent tin alloy. When the investigation was started, consideration was given to the possibility of making a Time - Temperature - Transformation curve for this particular alloy. As the work progressed and further research was carried on, this phase of the work was abandoned.
The Characteristics Of The Electrolyte In The Series System Of Electrolytic Copper Refining, Carl W. Howald Jr.
The Characteristics Of The Electrolyte In The Series System Of Electrolytic Copper Refining, Carl W. Howald Jr.
Bachelors Theses and Reports, 1928 - 1970
Almost everyone is familiar with the tremendous importance of copper in our everyday life. One of the properties of copper which determines its great usefulness to mankind is its electrical conductivity. This property alone has more to do with the prominence of copper among useful metals then does any other.
A Study Of The Diffusion Of Electroplated Coatings In The Solid State., Michael R. Writt
A Study Of The Diffusion Of Electroplated Coatings In The Solid State., Michael R. Writt
Bachelors Theses and Reports, 1928 - 1970
The term diffusion means an equalization or homogenization of diverse materials. Specifically applied to metals, diffusion is the interchange of atoms. It is, in effect, an invasion of one crystal lattice by the atoms of one or more other crystal lattices. Therefore, the study of diffusion must involve the geometry and physics of crystal lattices as well as their energies.
The Electrodeposition Of Copper-Cobalt Alloys, Richard L. Dunn
The Electrodeposition Of Copper-Cobalt Alloys, Richard L. Dunn
Bachelors Theses and Reports, 1928 - 1970
An attempt was made to deposit a 50:50 copper-cobalt alloy from various sulfate electrolytes. No true 50:50 alloy was obtained but various mixtures of cobalt and copper rich crystals were deposited.
Age Hardening Of Copper Antimony Alloys, William R. Stern
Age Hardening Of Copper Antimony Alloys, William R. Stern
Bachelors Theses and Reports, 1928 - 1970
A large number of alloys of varying percentages of copper and antimony were prepared. These alloys were treated in various ways which might be expected to produce age hardening. The effect of cold working was studied in the range where the alloys were malleable.
The Determination Of Aluminum In The Presence Of Manganese And Iron By The Use Of A Mercury Cathode, William R. Opie
The Determination Of Aluminum In The Presence Of Manganese And Iron By The Use Of A Mercury Cathode, William R. Opie
Bachelors Theses and Reports, 1928 - 1970
Since 1880, when Wolcott Gibbs made the suggestion that mercury could be used as a cathode in gravimetric electroanalysis, many articles have appeared in literature either criticizing the method or citing successful results which have been obtained by it.
The Electroformation Of Lithium-Lead Alloys From Molten Electrolytes, Thomas Prater
The Electroformation Of Lithium-Lead Alloys From Molten Electrolytes, Thomas Prater
Bachelors Theses and Reports, 1928 - 1970
An attempt was made to make lead-lithium alloys by electrodeposition of lithium using a molten bath and a molten lead cathode.The variables taken into consideration were: composition of the melt, temperature of the melt, and current density. The purpose of changing these factors was to determine what effect each had on the current efficiency.