Development of a Precipitation-Hardened Nichrome Powder Alloy and Technique for Fabricating a Prototype Metallic Thermal Protection Structure

The laboratory technique for producing a precipitation-hardened Ni20Cr6Al–1Y2O3 powder alloy has been described and the rolling process for making sheets 0.5 to 0.05 mm thick has been developed to determine the functional characteristics and fabricate a thermal-barrier structure. Brazing has been em...

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Published inPowder metallurgy and metal ceramics Vol. 57; no. 11-12; pp. 640 - 646
Main Authors Solntsev, V. P., Husarova, I. A., Frolov, G. A., Solntseva, T. O., Petrash, K. M., Nazarenko, V. A., Potapov, A. M., Salenko, A. F., Derevyanko, I. I., Manko, T. A.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.03.2019
Springer
Springer Nature B.V
Subjects
Alloys
Brazing
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Materials Science
Metallic Materials
Methods
Natural Materials
Nichrome (trademark)
Nickel alloys
Nickel base alloys
Powders (Particulate matter)
Precipitation (Meteorology)
Specialty metals industry
Structural members
Thermal protection
Yttrium compounds
compaction
brazing
sintering
precipitation-hardened nichrome powder alloy
honeycomb structures
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Summary:The laboratory technique for producing a precipitation-hardened Ni20Cr6Al–1Y2O3 powder alloy has been described and the rolling process for making sheets 0.5 to 0.05 mm thick has been developed to determine the functional characteristics and fabricate a thermal-barrier structure. Brazing has been employed to produce a prototype complex metallic thermal protection structure. It is shown that the brazing technique ensures the required joint efficiency of structural elements, which is not inferior to the base alloy.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-019-00026-7