Environmentally Assisted Cracking in Advanced High Strength Alloys
A special issue of Metals (ISSN 2075-4701).
Deadline for manuscript submissions: closed (31 December 2017) | Viewed by 19293
Special Issue Editors
Interests: metallic materials; structural and functional properties; structure–property correlations; advanced nanoscale materials characterization; nanoscale mechanical testing; environmentally assisted fracture and fatigue; in situ testing; stress corrosion cracking; corrosion; hydrogen embrittlement
Special Issues, Collections and Topics in MDPI journals
Interests: mechanically assisted corrosion; localised corrosion; environmentally-assisted cracking
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Environmentally assisted cracking (EAC), an intricate interaction between the environment, stress state, and material, results in brittle fracture of otherwise ductile materials. EAC covers a broad range of failure in materials, such as stress corrosion cracking (SCC), corrosion fatigue, hydrogen embrittlement, sulfide stress cracking, hydrogen enhanced fatigue, irradiation induced SCC, to name a few. All different forms of EAC have been studied extensively, and, for a relatively long time, generating a vast body of knowledge.
We are presently experiencing the complete transformation of the alloy development and manufacturing cycles, which are transitioning from the traditional trial-and-error approach to a new knowledge-based methodology. Thus, the scientific and engineering communities require a fundamental understanding of the mechanisms involved in EAC-related phenomena. Likewise, new processing techniques, like additive manufacturing, are becoming mainstream. The new manufacturing methods could lead to alloys with entirely different microstructures and compositional variations and, consequently, unknown EAC behavior.
At the same time, the ever-growing demand of the energy, automotive, and aerospace sectors has fueled the development of new high strength alloys with complex microstructures and chemistries, prone to EAC.
The examples above boldly illustrate the necessity of interdisciplinary and multiscale research to increase the understanding of the mechanisms leading to environmental cracking in high-performing alloys. Modern techniques and approaches, including in situ testing and high-resolution analysis and characterization tools, provide an entirely new perspective for the examination pf the various forms of EAC.
This Special Issue presents the latest research on EAC of advanced alloys.
Prof. Dr. Afrooz Barnoush
Guest Editor
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Keywords
- Stress corrosion cracking;
- Environmentally assisted fracture;
- Hydrogen embrittlement;
- Mechanical aspects of corrosion;
- Hydrogen enhanced cracking;
- Irradiation-induced SCC;
- In situ testing
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