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Glow Discharge Optical Emission Spectroscopy Study of Cr(III) Sealing in Anodized Aluminum-Silicon Alloys Brembo Spa
- Format:
- Book
- Conference/Event
- Author/Creator:
- Pavesi, Arianna, author.
- Conference Name:
- Brake Colloquium & Exhibition - 42nd Annual (2024-09-15 : Grapevine, Texas, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2024
- Summary:
- The work investigates the penetration depth of a low environmental impact Cr(III)-based sealing on two anodized Aluminum-Silicon alloys (id est, EN AC-42200 and EN AC-43200) for brake system applications. EN AC-42200 and EN AC-43200 specimens are: 1) obtained by sectioning of gravity cast components; 2) anodized using different process times to obtain different anodic layer thicknesses; and 3) sealed in a Cr(III)-based proprietary sealing solution at low temperature. The obtained sealed anodic layers are characterized using several techniques including: Glow Discharge Optical Emission Spectroscopy (GDOES), metallographic analyses and Eddy current thickness measurements. Results demonstrate that: a) the Cr(III) concentration within the anodic layers shows an exponentially decreasing trend from the specimen surface toward the anodic layer-substrate interface; b) the typical thickness of the sealing layer is in the order of 1.5μm; and c) the Cr(III) penetration depth is only marginally affected by the thickness of the anodic layers and composition of the Aluminum-Silicon alloy under investigation
- Notes:
- Vendor supplied data
- Publisher Number:
- 2024-01-3038
- Access Restriction:
- Restricted for use by site license
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