A5032789687- Aluminum Alloy Microstructure Properties
- Corrosion Behavior and Inhibition
- Microstructure and mechanical properties
- Material Properties and Applications
- Hydrogen embrittlement and corrosion behaviors in metals
- Advanced Welding Techniques Analysis
- Fatigue and fracture mechanics
- Aluminum Alloys Composites Properties
- High Temperature Alloys and Creep
- Advanced Materials Characterization Techniques
- Fusion materials and technologies
- Electrospun Nanofibers in Biomedical Applications
- Magnesium Alloys: Properties and Applications
- Metallurgy and Material Forming
- Polymer Nanocomposites and Properties
- Polymer composites and self-healing
- Material Properties and Failure Mechanisms
University of Manchester
2020-2023
Henry Royce Institute
2023
Five different heat treatments were applied to AA7075 aluminum alloy, resulting in distinct localized corrosion behaviors 5 wt% NaCl solution. Some exhibited higher intergranular (IGC) susceptibility due the anodic nature of grain boundaries (GBs) caused by Cu depletion precipitate free zones (PFZs) along GBs. Cu-enrichment and an increase intervals between η-phase boundary precipitates (GBPs) did not improve IGC resistance. The open circuit (OCP) galvanostatic (GL) tests could distinguish...
The stress corrosion cracking (SCC) behaviors of over-aged and peak-aged AA7075 aluminum alloys in a 5%wt NaCl solution were compared. Even though the over-aging process induced intergranular (IGC), it decreased SCC susceptibility material. Grain boundaries (GBs) with misorientation angles less than 30° grain matrix considered factors that reduced IGC propagation rate, thereby preventing development SCC. η phase boundary precipitates (GBPs) underwent de-alloying, forming Cu-enriched...
The mechanical properties and stress corrosion cracking (SCC) resistance of 7xxx series aluminium alloys are significantly affected by the composition distribution precipitates formed during heat treatment. In particular, their quench sensitivity is related to formation η-phase that nucleate heterogeneously on grain boundaries at lower cooling rates after solution treatment, which has been a key factor restricting gauge hot rolled plates in aerospace industry. To better understand effects...
Recent experience has shown that new-generation 7xxx-series alloys, have a high Zn content and Zn/Mg ratios, greater susceptibility to hydrogen-environmental induced cracking (H-EIC) on exposure humid air than more established materials, like AA7050. In this study, we report new evidence of the EIC initiation crack growth behavior two AA7085 AA7449, when exposed 50% humidity. situ, time-lapse, optical imaging over large areas enabled exact sites be identified investigated with...
The mechanical properties of these highly stretchable, water deposited elastomers can be tuned by varying MAA content and vinyl functionalisation.