Excellent corrosion resistance and hardness in Al alloys by extended solid solubility and nanocrystalline structure

J. Esquivel; H. A. Murdoch; K. A. Darling; R. K. Gupta

doi:10.1080/21663831.2017.1396262

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Excellent corrosion resistance and hardness in Al alloys by extended solid solubility and nanocrystalline structure

Original Report | 更新时间：2026-08-19

- Excellent corrosion resistance and hardness in Al alloys by extended solid solubility and nanocrystalline structure
- Materials Research Letters Vol. 6, Issue 1, Pages: 79-83(2018)
- 作者机构：
  
  1. Department of Chemical and Biomolecular Engineering Corrosion Engineering Program The University of Akron Akron
  2. Army Research Laboratory Aberdeen Proving Ground Aberdeen
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2017.1396262
  CLC：
- Online First：03 November 2017，
  
  Published：2018
- 稿件说明：
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J. Esquivel, H. A. Murdoch, K. A. Darling, et al. Excellent corrosion resistance and hardness in Al alloys by extended solid solubility and nanocrystalline structure[J]. Materials Research Letters, 2018, 6(1): 79-83.
DOI：

J. Esquivel, H. A. Murdoch, K. A. Darling, et al. Excellent corrosion resistance and hardness in Al alloys by extended solid solubility and nanocrystalline structure[J]. Materials Research Letters, 2018, 6(1): 79-83. DOI： 10.1080/21663831.2017.1396262.

摘要

Abstract

BSTRACTDevelopment of ultra-high strength and corrosion-resistant aluminum (Al) alloys is demonstrated by a combination of suitable alloying elements and processing technology able to cause extended solid solubility and nanocrystalline structure. Binary Al-transition metal (M: Cr

Nb) alloys

produced by high-energy ball milling and subsequent cold compaction

have exhibited significantly high hardness and corrosion resistance compared to any commercial Al alloy. The cyclic potentiodynamic polarization tests revealed a significant improvement in pitting and repassivation potentials. X-ray diffraction analysis revealed the grain refinement 100 nm and extended solid solubility.

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Related Institution

c Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials Ministry of Education Shandong University

b School of Materials Science and Engineering Hohai University

a Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing People’s Republic of China

a Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology

b China-Japan Union Hospital of Jilin University

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