Cargando…

A Novel Al–Cu Composite with Ultra‐High Strength at 350 °C via Dual‐Phase Particle Reinforced Submicron‐Structure

Thermal stability determines a material's ability to maintain its performance at desired service temperatures. This is especially important for aluminum (Al) alloys, which are widely used in the commercial sector. Herein, an ultra‐strong and heat‐resistant Al‐Cu composite is fabricated with a s...

Descripción completa

Detalles Bibliográficos
Autores principales: Xie, Kewei, Nie, Jinfeng, Liu, Chang, Cha, Wenhao, Wu, Ge, Liu, Xiangfa, Liu, Sida
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10477875/
https://www.ncbi.nlm.nih.gov/pubmed/37431694
http://dx.doi.org/10.1002/advs.202207208
_version_ 1785101228636635136
author Xie, Kewei
Nie, Jinfeng
Liu, Chang
Cha, Wenhao
Wu, Ge
Liu, Xiangfa
Liu, Sida
author_facet Xie, Kewei
Nie, Jinfeng
Liu, Chang
Cha, Wenhao
Wu, Ge
Liu, Xiangfa
Liu, Sida
author_sort Xie, Kewei
collection PubMed
description Thermal stability determines a material's ability to maintain its performance at desired service temperatures. This is especially important for aluminum (Al) alloys, which are widely used in the commercial sector. Herein, an ultra‐strong and heat‐resistant Al‐Cu composite is fabricated with a structure of nano‐AlN and submicron‐Al(2)O(3) particles uniformly distributed in the matrix. At 350 °C, the (8.2AlN+1Al(2)O(3))(p)/Al‐0.9Cu composite achieves a high strength of 187 MPa along with a 4.6% ductility under tension. The high strength and good ductility benefit from strong pinning effect on dislocation motion and grain boundary sliding by uniform dispersion of nano‐AlN particles, in conjunction with the precipitation of Guinier–Preston (GP) zones, enhancing strain hardening capacity during plastic deformation. This work can expand the selection of Al–Cu composites for potential applications at service temperatures as high as ≈350 °C.
format Online
Article
Text
id pubmed-10477875
institution National Center for Biotechnology Information
language English
publishDate 2023
publisher John Wiley and Sons Inc.
record_format MEDLINE/PubMed
spelling pubmed-104778752023-09-06 A Novel Al–Cu Composite with Ultra‐High Strength at 350 °C via Dual‐Phase Particle Reinforced Submicron‐Structure Xie, Kewei Nie, Jinfeng Liu, Chang Cha, Wenhao Wu, Ge Liu, Xiangfa Liu, Sida Adv Sci (Weinh) Research Articles Thermal stability determines a material's ability to maintain its performance at desired service temperatures. This is especially important for aluminum (Al) alloys, which are widely used in the commercial sector. Herein, an ultra‐strong and heat‐resistant Al‐Cu composite is fabricated with a structure of nano‐AlN and submicron‐Al(2)O(3) particles uniformly distributed in the matrix. At 350 °C, the (8.2AlN+1Al(2)O(3))(p)/Al‐0.9Cu composite achieves a high strength of 187 MPa along with a 4.6% ductility under tension. The high strength and good ductility benefit from strong pinning effect on dislocation motion and grain boundary sliding by uniform dispersion of nano‐AlN particles, in conjunction with the precipitation of Guinier–Preston (GP) zones, enhancing strain hardening capacity during plastic deformation. This work can expand the selection of Al–Cu composites for potential applications at service temperatures as high as ≈350 °C. John Wiley and Sons Inc. 2023-07-11 /pmc/articles/PMC10477875/ /pubmed/37431694 http://dx.doi.org/10.1002/advs.202207208 Text en © 2023 The Authors. Advanced Science published by Wiley‐VCH GmbH https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Articles
Xie, Kewei
Nie, Jinfeng
Liu, Chang
Cha, Wenhao
Wu, Ge
Liu, Xiangfa
Liu, Sida
A Novel Al–Cu Composite with Ultra‐High Strength at 350 °C via Dual‐Phase Particle Reinforced Submicron‐Structure
title A Novel Al–Cu Composite with Ultra‐High Strength at 350 °C via Dual‐Phase Particle Reinforced Submicron‐Structure
title_full A Novel Al–Cu Composite with Ultra‐High Strength at 350 °C via Dual‐Phase Particle Reinforced Submicron‐Structure
title_fullStr A Novel Al–Cu Composite with Ultra‐High Strength at 350 °C via Dual‐Phase Particle Reinforced Submicron‐Structure
title_full_unstemmed A Novel Al–Cu Composite with Ultra‐High Strength at 350 °C via Dual‐Phase Particle Reinforced Submicron‐Structure
title_short A Novel Al–Cu Composite with Ultra‐High Strength at 350 °C via Dual‐Phase Particle Reinforced Submicron‐Structure
title_sort novel al–cu composite with ultra‐high strength at 350 °c via dual‐phase particle reinforced submicron‐structure
topic Research Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10477875/
https://www.ncbi.nlm.nih.gov/pubmed/37431694
http://dx.doi.org/10.1002/advs.202207208
work_keys_str_mv AT xiekewei anovelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT niejinfeng anovelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT liuchang anovelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT chawenhao anovelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT wuge anovelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT liuxiangfa anovelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT liusida anovelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT xiekewei novelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT niejinfeng novelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT liuchang novelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT chawenhao novelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT wuge novelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT liuxiangfa novelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure
AT liusida novelalcucompositewithultrahighstrengthat350cviadualphaseparticlereinforcedsubmicronstructure