塑料成型
8. Microcracks, crazing and stress whitening
Fig.8.1:Microcracks produced by overloading and deforming under residual pressure
a)
b)
Fig.8.2:
a) Ballpoint pen with stress whitening in the thread region(undercut) made from pure polybutadiene ABS
b) The same ballpoint pen without stress whitening made from Terluran 877 T
Fig.8.3:Terluran 900-series (967 K)
Terluran 877 T
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