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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
05-06-2001 дата публикации

Abrasion resistant coating and method of making the same

Номер: US0006242108B1
Автор: Daniel J. Sordelet, Matthew F. Besser, SORDELET DANIEL J, BESSER MATTHEW F, SORDELET DANIEL J., BESSER MATTHEW F.
Принадлежит: The United States of America as represented by the United States Department of Energy, US ENERGY, THE UNITED STATES OF AMERICA AS REPRESENTED BY THE UNITED STATES DEPARTMENT OF ENERGY

An abrasion resistant coating is created by adding a ductile phase to a brittle matrix phase during spray coating where an Al-Cu-Fe quasicrystalline phase (brittle matrix) and an FeAl intermetallic (ductile phase) are combined. This composite coating produces a coating mostly of quasicrystal phase and an inter-splat layer of the FeAl phase to help reduce porosity and cracking within the coating. Coatings are prepared by plasma spraying unblended and blended quasicrystal and intermetallic powders. The blended powders contain 1, 5, 10 and 20 volume percent of the intermetallic powders. The unblended powders are either 100 volume percent quasicrystalline or 100 volume percent intermetallic; these unblended powders were studied for comparison to the others. Sufficient ductile phase should be added to the brittle matrix to transform abrasive wear mode from brittle fracture to plastic deformation, while at the same time the hardness of the composite should not be reduced below that of the original ...

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Номер записи: 1
19-03-2002 дата публикации

Thermal sprayed composite melt containment tubular component and method of making same

Номер: US0006358466B1
Автор: Matthew F. Besser, Robert L. Terpstra, Daniel J. Sordelet, Iver E. Anderson, BESSER MATTHEW F, TERPSTRA ROBERT L, SORDELET DANIEL J, ANDERSON IVER E, BESSER MATTHEW F., TERPSTRA ROBERT L., SORDELET DANIEL J., ANDERSON IVER E.
Принадлежит: Iowa State University Research Foundation, Inc., UNIV IOWA STATE RES FOUND INC, IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.

A tubular thermal sprayed melt containment component for transient containment of molten metal or alloy wherein the tubular member includes a thermal sprayed inner melt-contacting layer for contacting molten metal or alloy to be processed, a thermal sprayed heat-generating layer deposited on the inner layer, and an optional thermal sprayed outer thermal insulating layer. The thermal sprayed heat-generating layer is inductively heated as a susceptor of an induction field or electrical resistively heated by passing electrical current therethrough. The tubular thermal sprayed melt containment component can comprise an elongated melt pour tube of a gas atomization apparatus where the melt pour tube supplies molten material from a crucible to an underlying melt atomization nozzle.

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Номер записи: 2