In the original Udin, Shaler, and Wulff technique for measuring the surface tension of copper, variously weighted wires were allowed to extend or contract in
Table of ContentsPreparatory ProcessingPort Pirie Works—Broken Hill Associated Pty., Ltd., Port Pirie, AustraliaLeaching and Purification PracticeSponge Precipitation PracticeMetal Recovery OperationsRefining and Casting Practice Greenockite is
During preliminary tests on the aging of a Cu-plus 5 pct Ag alloy, a specimen which had been overaged 24 hr at 550°C was annealed
Table of ContentsExperimental ResultsDiscussion of Results Pyrrhotite has long been considered a gangue mineral to be eliminated as tailing in the treatment of various sulphide
Table of ContentsPreliminary StudiesField Investigation to Determine Proper Squeeze Cementing Methods Laboratory and field testing of various squeeze cementing techniques and materials revealed that many
The crystal laboratory, Dept. of Physics, Massachusetts Institute of Technology, was confronted with the problem of obtaining a supply of optical grade calcium fluoride (CaF2)
In the last several years the coal industry has intensified its effort to solve the growing problem of cleaning and recovering fine mesh coals. On
Table of ContentsExperimental ResultsAlloys Containing AluminumDilution of Ga-Sn-Zn Eutectic In recent years, the interest in liquid metals as heat-transfer media for power plants has been
The effects of rare-earth metals on the properties of sand-cast magnesium were discussed in some detail in earlier paper by the author. The present paper
In a previous article the authors outlined a study of the variables in rod milling and also reported data from a series of open circuit
Copyright 2012-2024 911Metallurgist | All Rights Reserved