952 resultados para hematite powder
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Federal Highway Administration, Washington, D.C.
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"Contract AT-30-1 GEN 366."
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"4-10-50--825-A11578."
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"Contract AT-30-1-GEN-366."
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"Work performed under Contract No. AT-30-1-gen-366"--Page 2 of cover.
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Three samples of thorium powder as supplied by Horizons, Inc. of Cleveland, Ohio were compared. The powder was processed entirely without the use of protective atmospheres with the exception of the sintering which was performed in a tank argon atmosphere with a dew point of approximately -80°C and the hot-pressing which was carried out in vacuum. The equipment and procedures used for cold-pressing and sintering were identical to those used in the evaluation of Sylvania produced thorium powders. The hot-pressing was done with standard uranium hot-pressing equipment.
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"Contract AT-30-1-Gen-366."
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The slip-casting technique, which is successfully employed in the ceramic industry, was utilized to produce sintered stainless steel components experimentally. The procedure used is described, along with an evaluation of the physical and mechanical properties of the samples produced. Specimens were made with properties comparable to those of wrought stainless steel and of cold pressed and sintered steel powder.
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The consumable electrode arc melting of cold-compacted thorium powder has been developed to produce dense, clean and soft ingots which can be hot rolled without cracking. By using a water-cooled copper crucible, contamination has been prevented and resultant ingots cleaner than the original powder have been produced.
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Bibliographical footnotes.
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Mode of access: Internet.
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Mode of access: Internet.
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"Literature" at the beginning of most chapters.
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"Materials Laboratory, Contract number AF 61(514)-1144, Project no. 7351."
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Mode of access: Internet.