Abstract
A chromium—magnesium oxide composite was developed in 1960 by The Bendix Corporation for use in high-velocity oxidizing environments at temperatures between 1100–1700°C. This composite system exhibits room-temperature ductility even in the re-crystallized condition. The normal rod-processing procedures for these composites have been previously reported [1]. They involve sintering pressed powders and hot extrusion at 1100–1300°C of the nickel-clad billets. Hot extrusion of the pressed composite powders followed by sintering was considered as an alternate processing technique for producing rod. An investigation with this approach is the subject of this paper.
This work was done by the authors at Bendix Products Aerospace Division, South Bend, Indiana. Dr. Schalliol, who was previously Director of Metal-Ceramic Research at Bendix, is now with CTS Corporation of Elkhart, Indiana.
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References
J. F. Masterson, “Development of Chromium Composite Alloy with High Temperature Oxidation and Erosion Resistance,” ASD-TDR-63–297 (April, 1963).
P. Lowenstein, L. Aronin, and A. Geary, “Hot Extrusion of Metal Powders,” in: Powder Metallurgy, Interscience Publishers, Inc., New York (1961), pp. 563–583.
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K.A. Moon and G.A. Consolazio, “Volume Change and Gas Evolution on Heating Electrolytic Chromium,” in: Ductile Chromium, American Society for Metals, Cleveland (1957), pp. 216–228.
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© 1967 Springer Science+Business Media New York
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Watkins, R.V., Reed, G.C., Schalliol, W.L. (1967). Extrusion of Powders II. In: New Methods for the Consolidation of Metal Powders. Perspectives in Powder Metallurgy. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-6423-6_10
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DOI: https://doi.org/10.1007/978-1-4899-6423-6_10
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