Improvement of Surface Integrity of Aa7075-T651 Plate by Non-Rotational Sliding Ball Burnishing Process
SSRN, ISSN: 1556-5068
2024
- 33Usage
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
The effect of non-rotational sliding ball burnishing (NRSBB) parameters on surface roughness and microhardness of the face-milled AA7075-T651 plate was experimentally investigated by response surface methodology (RSM). The optimal parameters improved the longitudinal roughness, transverse roughness and microhardness by 93.7%, 89.3% and 37.3%, respectively. 3D topography analysis showed that lower burnishing depths improved Sa up to 89.5 %. The hardened depth of 700 μm was achieved by burnishing depth of 0.18 mm. SEM-EDS analysis demonstrated the high-probable formation of strengthener intermetallics like MgZn2 at the burnished surface and subsurface. XRD analysis indicated that ultra-fine grain (UFG) and nanostructure (NS) were formed at the burnished surface. Severe deformation at the burnished surface led to a hundredfold increase in dislocation density.
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