Pits, embedded particles, discoloration, or cracks produced when hot metal fragments from grinding or cutting strike glass.
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Meaning and boundaries
This differs from metallic rub, which primarily involves sliding contact and transfer, and from weld spatter, which originates in welding.
Why it matters in glass restoration
Hot embedded fragments may create thermal and mechanical damage, and metal remaining during polishing can alter heat flow or contaminate the work area.
Related terms
References
- GlassRenu — Metallic Grinding Debris Damage
Publisher’s original source - National Institute of Standards and Technology — Fractography of Ceramics and Glasses, 3rd edition
Publisher’s original source - National Bureau of Standards / NIST — The Science of Ceramic Machining and Surface Finishing II
Publisher’s original source - National Glass Association — Construction Site Protection and Maintenance of Architectural Glass
Publisher’s original source