Hybrid crack I

Thermal / mechanical load
Type of glass

Polished glass, rolled sheet glass, laminated glass, figured (ornamental) glass.

Examples

Diverse effect through surface load (vacuum, wind) for already thermally loaded glass.

Beginning

Gentle angle of edge cracking;
Gentle angle of transition;
Curvy cracks in close proximity to the glass edge; Unrecognisable cracking centre.

Lines of process

Thermal beginning of cracking with the change of direction near the cold/heat zone, later curvy forms and after as a mechanical crack from straight to angular lines.

End

Straight lines;
No angles.

Other features

Possible curvy cracks on the surface.