Copper-based alloys for structural high-heat-flux applications: a review of development, properties, and performance of Cu-rich Cu–Cr–Nb alloys

Minneci, Robert P.; Lass, Eric A.; Bunn, Jeffrey R.; Choo, Hahn; Rawn, Claudia J.

doi:10.1080/09506608.2020.1821485

Title: Copper-based alloys for structural high-heat-flux applications: a review of development, properties, and performance of Cu-rich Cu–Cr–Nb alloys

Journal Article · Thu Oct 08 00:00:00 EDT 2020 · International Materials Reviews

DOI:https://doi.org/10.1080/09506608.2020.1821485· OSTI ID:1671346

^[1];

^[2]; Choo, Hahn ^[1];

^[1]

Materials Science and Engineering Department, The University of Tennessee, Knoxville, TN, USA
Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA

This review examines the development and current state of Cu-rich Cu–Cr–Nb alloys commonly referred to as GRCop or Glenn Research copper alloys with emphasis on Cu–8Cr–4Nb (at%), or GRCop-84, and Cu–4Cr–2Nb, or GRCop-42. Recent additive manufacturing efforts have increased interest in GRCop alloys, and full-scale hardware has been fabricated using AM techniques and practical hot-fire tests have been conducted, but structure–property relationships are still under development. The development, processing, and current microstructure-property relationships of GRCop alloys are reviewed along with comparisons to similar high-heat-flux Cu alloys including NARloy-Z, GlidCop Al-15, AMZIRC, Cu–1Cr–0.1Zr, and Cu–0.9Cr. The review concludes with an assessment of future prospects for GRCop alloys and overview of advantages provided by additive manufacturing.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)

Grant/Contract Number:: AC05-00OR22725; 1540000; 1822186

OSTI ID:: 1671346

Alternate ID(s):: OSTI ID: 1737489

Journal Information:: International Materials Reviews, Journal Name: International Materials Reviews; ISSN 0950-6608

Publisher:: Taylor & FrancisCopyright Statement

Country of Publication:: United Kingdom

Language:: English

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36 MATERIALS SCIENCE
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Title: Copper-based alloys for structural high-heat-flux applications: a review of development, properties, and performance of Cu-rich Cu–Cr–Nb alloys

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