Practical example cases of damage
- Thermal fracture
- Nickel sulfide
- Foil delamination
- Impression of bending shape
- Scratches caused by mortar deposits
- Anisotropies (leopard spots)
- Corrosion
- Torsion fracture
- Dampening of laminated film
- Edge pressure fracture
- Delamination of cast resin
- Drilling fracture
- Leaky insulation glas
- Interferences
- Dampening of fire protection glass
- Wallner lines
- Vandalism
- Optical distortion with bended safety glass
- Bullet hole
- Residual strengths
- Mirrors
- Rough cut
- Suction cup casts
- Widespread pressure cracks
Thermal fracture
Thermal fracture caused by lamination with a foil
Nickel sulfide embedding
Fracture of a safety glass pane caused by a nickel sulfide embedding
Microscopically enlarged view of a nickel sulfide crystal
Foil delamination
Foil delamination at the edge of a laminated glass pane
Delamination of PVB foil caused by free exposure
Impression of bending shape
Impression of the bending shape with glass that has been bended at too high a temperature (grid below the light spot)
Scratches due to mortar deposits
Improper attempt of removing a mortar or paint deposit (light spot in the scratch area)
Anisotropies (leopard spots)
Leopard spots in a safety glass pane (lamellar in the pane center)
Leopard spots in a safety glass pane of a bannister glazing
Corrosion
Corrosion of glass panes caused by alkaline elutriation from the plaster by rain
Torsion fracture
Torsion fracture of a single glass pane in a sliding door caused by suitcase impact
Dampening of laminated film
Spot-shaped dampening of laminated film of laminated glass around an impact spot caused by vandalism
Edge pressure fracture
Edge pressure fracture caused by too tight glazing in the frame
Delamination of cast resin
Delamination of cast resin due to diluent migration from the insulation glass adhesive
Circle-shaped delamination of cast resin caused by tension due to improper hardening
Drilling fracture
Overloading in the drilling area of a bannister handrail
Leaky insulation glass
Milky insulation glass as the result of a leaky edge laminate caused by moisture in the window frame
Interrupted butyl band at an insulation glass distance piece
Interferences
Colourfully fluorescing interference phenomenons on insulation glass with 2 x 4 mm uncoated float glass from one charge
Dampening of fire protection glass
Moisture migration into a fire protection layer caused by damaged edge protection
Wallner lines
Typical Wallner lines on the glass edge running from the point of origin of the fracture to both sides
Vandalism
Typical glass fractures caused by vandalism (stone throw)
Optical distortion with bended security glass
Optical distortion with bended security glass
Bullet hole
Typical shape of a bullet hole
Residual strengths
Residual strengths in the barrier/bottom transition zone of a glass vase (polarized light photograph)
Residual strengths in the opening/barrier transition zone of a glass container (polarized light photograph)
Mirrors
Damage to mirroring layer caused by moisture infestation
Rough cut
Detail view of a roughly cut glass edge
Detail view of an origin of fracture at the roughly cut glass edge (enlargement factor 10)
Suction cup casts
Suction cup casts made visible by condensation
Widespread pressure cracks
Widespread pressure cracks caused by small format
