Fatigue of Engineering Plastics |
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Page 48
Also note that some samples failed by mechanical processes and others by
melting . This is clearly evident from the results shown in Fig . 2 . 10 . The curve at
the right corresponds to mechanical failures in numerous polyacetal samples
cycled ...
Also note that some samples failed by mechanical processes and others by
melting . This is clearly evident from the results shown in Fig . 2 . 10 . The curve at
the right corresponds to mechanical failures in numerous polyacetal samples
cycled ...
Page 49
11 Change - over stress from thermal to mechanical failure as a function of test
frequency and specimen surface / volume ratio , ß ( mm - ' ) . Load cycle control ,
sine wave , zero mean stress . O , Acetal ; • , PMMA ; X , PP ; A , unfilled PTMT .
11 Change - over stress from thermal to mechanical failure as a function of test
frequency and specimen surface / volume ratio , ß ( mm - ' ) . Load cycle control ,
sine wave , zero mean stress . O , Acetal ; • , PMMA ; X , PP ; A , unfilled PTMT .
Page 50
of testing conditions , either a thermal failure or mechanical failure could be
predicted from the model . As such , their model represents a bridge between
thermal - and mechanical - type failures by predicting thermal failures under high
- cyclic ...
of testing conditions , either a thermal failure or mechanical failure could be
predicted from the model . As such , their model represents a bridge between
thermal - and mechanical - type failures by predicting thermal failures under high
- cyclic ...
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Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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Common terms and phrases
addition applied associated bands behavior changes component composites constant corresponding crack growth rate crack tip craze curve cycles cyclic da/dN damage decrease deformation depend discontinuous discussed effect energy engineering examined example exist expected experiments fact factor failure fatigue crack fatigue crack propagation FCP rates fibers fracture fracture surface frequency function given greater higher important increase initial involving J. A. Manson limits loading lower material matrix mean mechanical metals modulus molecular notched noted nylon 66 observed occur plastic PMMA polymeric polymers polystyrene possible properties R. W. Hertzberg range region relationship relative reported resistance respect response rise rubber samples sensitivity shear showed significant similar Skibo solids specimen static strain strength stress stress intensity striations structure studies temperature thermal tion toughness values volume yield York zone