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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 31 to 40 of 298 (0.061 seconds)| 31 |
Studies of dispersion-hardening parametersArmstrong, John Torrance January 1963 (has links)
Experiments were carried out with 1 micron copper powder compacts containing up to 7.5 vol % .018 micron alumina, and with various types of lead powder compacts containing up to 20 vol % of various other materials.
The results indicate that dispersion-hardened alloys should be divided into three groups on the basis of the nature of the second phase.
i) particulate, adherent (not coherent) with matrix
ii) particulate, non-adherent with matrix
iii) semi-continuous
It is suggested that the room temperature strengthening of the second and third groups of alloys may be due primarily to a grain size effect as described by the Hall-Petch relationship.
The cell-like structure recently proposed for S.A.P. has been observed in the lead-lead oxide system by electron microscopy.
An explanation of the difference in properties between extruded and rolled dispersion-hardened alloys has been offered in terms of the directional deformation caused by rolling. / Applied Science, Faculty of / Materials Engineering, Department of / Graduate
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Flotation and adsorption characteristics of the hematite-dodecylamine-starch systemPartridge, Anthony C. January 1970 (has links)
No description available.
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The recovery of copper from copper matte.Finlay, James. E. January 1954 (has links)
Note: Missing page 76.
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The extraction of lithium from spodumene.Sharratt, Harold. J. January 1955 (has links)
No description available.
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Scaling studies in sea water distillation.Jue, Bruce. C. January 1960 (has links)
No description available.
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Partial reduction and magnetic concentration of hematite.Jones, Peter. E. January 1960 (has links)
No description available.
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Stress corrosion cracking studies in cartridge brass.Easteal, Charles. D. January 1960 (has links)
No description available.
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The anodic oxidation of bivalent manganese to tetravalent manganese.Lemay, Henri. P. January 1958 (has links)
No description available.
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A study of the mechanism of rust formation.Smith, Gordon. W. January 1961 (has links)
No description available.
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The initial stages of annealing of high purity aluminum.Tiivel, Mati. January 1961 (has links)
No description available.
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