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Copper-lithium alloy produced by powder metallurgy procedures and its age-hardening response

  • Osvaldo Agustin Lambri EMAIL logo , José Angel Cano , José Ignacio Pérez-Landazábal , Vicente Recarte and Augusto Peñaloza
Published/Copyright: February 1, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 96 Issue 8

Abstract

Powders of Cu-18 at.% Li alloy were compacted under different pressures at room temperature. Compacted samples were subsequently sintered at different temperatures. The evolution of the elastic modulus, Brinell hardness and density was monitored during the sintering process. Special attention was paid on the serious problem associated with the lithium loss of the Cu–Li alloys sintered at temperatures over the solidus line. Finally, Cu–Li sintered samples were homogenised and subsequently treated at 127 °C for 8000 minutes showing age hardening. After the ageing treatment, the values of elastic modulus, hardness and electrical resistivity were comparable to commercial Cu–Be alloys and some brasses.

Keywords: Powder metallurgy; Hardeneable alloy; Cu–18 at.% Li alloy; Elastic modulus; Hardness
Dr. Osvaldo Lambri Laboratorio de Materiales Eléctricos, Escuela de Ingeniería Eléctrica Facultad de Ciencias Exactas, Ingeniería y Agrimensura Universidad Nacional de Rosario, Argentina Avda Pellegrini 250, (2000) Rosario, Argentina Tel.: +54 341 480 2650 ext. 125 Fax: +54 341 480 2654

  1. This work was partially supported by the PID-UNR 2002/2003 –2004, the PEI-CONICET No. 6206, and the EIE, FCEIA, UNR. The allocated beamtime at D1B and D20 Installations in the Institute Laue-Langevin (experiments CRG 534, 2000 and 8-25-59, 2001) is acknowledge. O. A. L, wishes to express his gratitute to DAAD for a Senior Fellowship and to IWW for hospitality, where this work was completed.

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Received: 2004-07-05
Accepted: 2005-01-29
Published Online: 2022-02-01

© 2005 Carl Hanser Verlag, München

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https://doi.org/10.3139/ijmr-2005-0161
Keywords for this article
Powder metallurgy; Hardeneable alloy; Cu–18 at.% Li alloy; Elastic modulus; Hardness

Articles in the same Issue

  1. Frontmatter
  2. Articles Basic
  3. Diffusion in molybdenum disilicide
  4. Martensitic transformation, ductility, and shape-memory effect of polycrystalline Ni56Mn25 – xFexGa19 alloys
  5. Mechanical and electrical properties of Ti2SnC dispersion-strengthened copper
  6. Thermodynamic and phase relation study of the Ni–Ge –O system in the solid state
  7. Thermodynamic assessment of Mg–Al–Mn phase equilibria, focusing on Mg-rich alloys
  8. DSC study on the phase decomposition of an Al–Cu alloy occurring during annealing at 403 K
  9. Structure and thermal stability of a melt-quenched single-phase nanocrystalline Hf61Fe39 alloy
  10. Thermodynamic assessment of the ternary Cu–Pb–O system
  11. Combined EELS, EDX, and STEM investigations of Cu-induced nanostrucutures and thin surface layer phases
  12. Articles Applied
  13. Fatigue failure of titanium implants for mandibular reconstruction
  14. Solid state reaction mechanism for the synthesis of La1 – xSrxCoO3–δ (0.1 ≤ x ≤ 0.7)
  15. Dislocation structures in 16MND5 pressure vessel steel strained in uniaxial tension at –196 °C
  16. Microstructure of AZ91 alloy deformed by equal channel angular pressing
  17. The effect of copper on secondary phase precipitation in duplex stainless steel – a thermodynamic calculations approach
  18. Stretch-zone analysis by image processing for the evaluation of initiation fracture toughness of a HSLA steel
  19. Copper-lithium alloy produced by powder metallurgy procedures and its age-hardening response
  20. Effects of the local microstructures on the mechanical properties in FSWed joints of a 7075-T6 Al alloy
  21. Estimating ternary surface tension for systems with limited solubility
  22. Notifications/Mitteilungen
  23. Personal/Personelles
  24. News/Aktuelles
  25. Conferences/Konferenzen
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