Destructive Testing (DT)
Through-Thickness (Z) Test
Determining through-thickness (Z) quality from the reduction of area at the rupture zone of a through-thickness specimen.
A specimen is taken perpendicular to the product surface (through-thickness) and pulled to rupture; the Z-quality is determined from the percentage reduction of area at the rupture zone. An INSTRON 600 kN Universal Tensile-Compression machine is used.
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