Fracture Behaviour of Plastics Components: Difference between revisions
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<span style="font-size:1.2em;font-weight:bold;">Fracture behaviour of plastic components</span> | <span style="font-size:1.2em;font-weight:bold;">Fracture behaviour of plastic components</span> | ||
When used as construction materials for plastic components, [[Plastics | plastics]] are generally regarded as [[Material & Werkstoff | materials]] with particularly high [[Ductility Plastics | ductility]]. However, it can be deduced from the large number of cases of damage that a number of influencing factors, such as | When used as construction materials for plastic components, [[Plastics | plastics]] are generally regarded as [[Material & Werkstoff | materials]] with particularly high [[Ductility Plastics | ductility]]. However, it can be deduced from the large number of cases of damage that a number of influencing factors, such as | ||
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* [[Material Science & Plastics | Material science & Plastics]] | * [[Material Science & Plastics | Material science & Plastics]] | ||
==References== | |||
* [[Blumenauer, Horst|Blumenauer, H.]], Pusch, G.: Technische Bruchmechanik. Deutscher Verlag für Grundstoffindustrie, Leipzig Stuttgart (2003), 3rd Edition (ISBN 3-342-00659-5); (see [[ | * [[Blumenauer, Horst|Blumenauer, H.]], Pusch, G.: Technische Bruchmechanik. Deutscher Verlag für Grundstoffindustrie, Leipzig Stuttgart (2003), 3rd Edition (ISBN 3-342-00659-5); (see [[AMK-Library]] under E 29-3) | ||
* Blumenauer, H.: Bruchmechanische Werkstoffcharakterisierung. Deutscher Verlag für Grundstoffindustrie, Leipzig (1991) (ISBN 3-342-00630-7); (see [[ | * Blumenauer, H.: Bruchmechanische Werkstoffcharakterisierung. Deutscher Verlag für Grundstoffindustrie, Leipzig (1991) (ISBN 3-342-00630-7); (see [[AMK-Library]] under E18) | ||
[[Category:Damage Analysis_Component Failure]] | [[Category:Damage Analysis_Component Failure]] | ||
Latest revision as of 14:27, 3 September 2026
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Fracture behaviour of plastic components
When used as construction materials for plastic components, plastics are generally regarded as materials with particularly high ductility. However, it can be deduced from the large number of cases of damage that a number of influencing factors, such as
- design-related notches,
- production-related defects,
- high stress velocity,
- multi-axial stress states,
- surrounding media, and
- low temperatures
greatly increase the susceptibility of such materials to brittle fracture [1].
When analysing the mechanical properties and evaluating the deformation and fracture behaviour, the combination of the microscopic and macroscopic approach van achieve decisive progress with regard to the clarification of damage mechanisms.
Figure 1 shows the factors influencing the fracture behaviour on the part of the stress, the geometry, the material and the environment (blue marked fields).
| Fig. 1: | Influence factors on the fracture behaviour of plastic components |
The factors influencing the fracture behaviour are the stress state and the loading speed on the stress side, the dimensions and the component shape as well as discontinuities and cracks on the geometry side, the microstructure (morphology) and the chemical composition on the material side and finally the temperature and the surrounding media.
See also
- Microscopic structure
- Fracture behaviour
- Fracture mechanics
- Polymer diagnostic
- Micromechanics & Nanomechanics
- Material science & Plastics
References
- Blumenauer, H., Pusch, G.: Technische Bruchmechanik. Deutscher Verlag für Grundstoffindustrie, Leipzig Stuttgart (2003), 3rd Edition (ISBN 3-342-00659-5); (see AMK-Library under E 29-3)
- Blumenauer, H.: Bruchmechanische Werkstoffcharakterisierung. Deutscher Verlag für Grundstoffindustrie, Leipzig (1991) (ISBN 3-342-00630-7); (see AMK-Library under E18)