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- Copper -- Metallurgy<br />Mattes (1)
- Liquid metals<br />Surface chemistry<br />Surface tension (1)
- Magnetic separation of ores<br />Marcasite -- Wisconsin<br />Ore-dressing<br />Zinc industry and trade -- By-products (1)
- Steel -- Analysis<br />Steel -- Hardenability<br />Steel -- Heat treatment (1)
- Tool-steel -- Analysis<br />Steel -- Metallurgy (1)
Articles 1 - 5 of 5
Full-Text Articles in Metallurgy
The Roasting And Magnetic Separation Of Wisconsin Ores And The Utilization Of The By-Products, Earl George Deutman
The Roasting And Magnetic Separation Of Wisconsin Ores And The Utilization Of The By-Products, Earl George Deutman
Professional Degree Theses
"In the Wisconsin field, the zinc blende is usually found associated with iron sulphide in the form of marcasite. This ore, after being milled and concentrated at the mines, is sent to separating plants for further treatment by roasting and magnetic separation, inasmuch as the mixed blende and marcasite concentrate, owing to the high iron content, is not suitable for the zinc smelter, and the magnetic separation scheme of separation must be resorted to"--page 1.
Metallurgical Processes Involving Surface Phenomena, Reginald Scott Dean
Metallurgical Processes Involving Surface Phenomena, Reginald Scott Dean
Professional Degree Theses
"Surface Tension of Liquid Metals. The surface tension of liquid metals is much greater than that of any other class of substances. Barkins lists the various substances in the following order as to surface tension; organic compounds, water, molten salts, metals"--Part I. General, page 1.
A Metallographic Study Of Copper Mattes, Edward James Torrence
A Metallographic Study Of Copper Mattes, Edward James Torrence
Bachelors Theses
"The metallographic knowledge of copper mattes or mattes in general for that matter, although extensive, is, to put it mildly, rather diversified. One authority, for instance, believes that mattes are sulphide dissolving compounds there being no eutectiferous series involved. Another believes that the matte constituents enter into a eutectiferous series, compounds being present. Still a third contends that there are no compounds formed but that a simple eutectiferous range exists between certain limits outside of which the end members of the series form solid solutions with each other. In so far as there exists seeming absolute proof for all of …
Drill Steel Investigation, Joseph Herman Rohloff
Drill Steel Investigation, Joseph Herman Rohloff
Masters Theses
"Several brands of standard grade drill steel were obtained [and tested]"--page 1.
High Speed Steel - Its History, Development, Manfacture, Metallography, And Constitution, Including An Extended Bibliography, James Presley Gill
High Speed Steel - Its History, Development, Manfacture, Metallography, And Constitution, Including An Extended Bibliography, James Presley Gill
Masters Theses
"There is no doubt but that the making of Steel was known and practiced by the early Greeks probably several centuries before the birth of Christ. There have been discoveries of pre-historic forges and smelters evidently used for the making of iron and steel and it is certain that implements made of these materials dates back to antiquity. As to the methods of making the steels of antiquity there is little known, but it is quite probable since iron has a strong affinity for carbon that in the forging of the iron it's contact with the carbonaceous fuel would absorb …