In Situ Investigation of High Humidity Stress Corrosion Cracking of 7075 Aluminum Alloy by Three-Dimensional (3D) X-ray Synchrotron Tomography

S. S. Singh; J. J. Williams; M. F. Lin; X. Xiao; F. De Carlo; N. Chawla

doi:10.1080/21663831.2014.918907

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In Situ Investigation of High Humidity Stress Corrosion Cracking of 7075 Aluminum Alloy by Three-Dimensional (3D) X-ray Synchrotron Tomography

Original Reports | 更新时间：2026-08-19

- In Situ Investigation of High Humidity Stress Corrosion Cracking of 7075 Aluminum Alloy by Three-Dimensional (3D) X-ray Synchrotron Tomography
- In Situ Investigation of High Humidity Stress Corrosion Cracking of 7075 Aluminum Alloy by Three-Dimensional (3D) X-ray Synchrotron Tomography
- 材料研究快报（英文） 2014年2卷第4期页码：217-220
- 作者机构：
  
  1. Materials Science and Engineering Arizona State University Tempe
  2. Advanced Photon Source Argonne National Laboratory Argonne
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2014.918907
  中图分类号：
- 网络首发：2014-05-14，
  
  纸质出版：2014
- 稿件说明：
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S. S. Singh, J. J. Williams, M. F. Lin, 等. In Situ Investigation of High Humidity Stress Corrosion Cracking of 7075 Aluminum Alloy by Three-Dimensional (3D) X-ray Synchrotron Tomography[J]. 材料研究快报（英文）, 2014,2(4):217-220.

S. S. Singh, J. J. Williams, M. F. Lin, et al. In Situ Investigation of High Humidity Stress Corrosion Cracking of 7075 Aluminum Alloy by Three-Dimensional (3D) X-ray Synchrotron Tomography[J]. Materials Research Letters, 2014, 2(4): 217-220.
S. S. Singh, J. J. Williams, M. F. Lin, 等. In Situ Investigation of High Humidity Stress Corrosion Cracking of 7075 Aluminum Alloy by Three-Dimensional (3D) X-ray Synchrotron Tomography[J]. 材料研究快报（英文）, 2014,2(4):217-220. DOI： 10.1080/21663831.2014.918907.

S. S. Singh, J. J. Williams, M. F. Lin, et al. In Situ Investigation of High Humidity Stress Corrosion Cracking of 7075 Aluminum Alloy by Three-Dimensional (3D) X-ray Synchrotron Tomography[J]. Materials Research Letters, 2014, 2(4): 217-220. DOI： 10.1080/21663831.2014.918907.

摘要

Abstract

In situ

X-ray synchrotron tomography was used to investigate the stress corrosion cracking behavior of under-aged Al–Zn–Mg–Cu alloy in moisture. The discontinuous surface cracks (crack jumps) mentioned in the literature are actually a single continuous and tortuous crack when observed in three dimension (3D). Contrary to 2D measurements made at the surface which suggest non-uniform crack growth rates

3D measurements of the crack length led to a much more accurate measurement of crack growth rates.

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相关机构

d Department of Physical Metallurgy and Materials Testing Leoben University

c Laboratory for Mechanics of Bulk Nanomaterials Saint Petersburg State University

b Institute of Physics of Advanced Materials Ufa State Aviation Technical University Ufa Russia

a Department of Materials Physics Eötvös Loránd University

a International Joint Laboratory for Light Alloys (Ministry of Education) Department of Materials Science and Engineering Chongqing University Chongqing People’s Republic of China

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