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- Environmental_stress_cracking abstract "Environmental Stress Cracking (ESC) is one of the most common causes of unexpected brittle failure of thermoplastic (especially amorphous) polymers known at present. Environmental stress cracking may account for around 15-30% of all plastic component failures in service.ESC and polymer resistance to ESC (ESCR) have been studied for several decades. Research shows that the exposure of polymers to liquid chemicals tends to accelerate the crazing process, initiating crazes at stresses that are much lower than the stress causing crazing in air. The action of either a tensile stress or a corrosive liquid alone would not be enough to cause failure, but in ESC the initiation and growth of a crack is caused by the combined action of the stress and a corrosive environmental liquid.It is somewhat different from polymer degradation in that stress cracking does not break polymer bonds. Instead, it breaks the secondary linkages between polymers. These are broken when the mechanical stresses cause minute cracks in the polymer and they propagate rapidly under the harsh environmental conditions. It has also been seen that catastrophic failure under stress can occur due to the attack of a reagent that would not attack the polymer in an unstressed state.Metallurgists typically use the term Stress corrosion cracking or Environmental stress fracture to describe this type of failure in metals.".
- Environmental_stress_cracking thumbnail Crazes1.jpg?width=300.
- Environmental_stress_cracking wikiPageExternalLink index.htm.
- Environmental_stress_cracking wikiPageExternalLink print.htm.
- Environmental_stress_cracking wikiPageExternalLink description.
- Environmental_stress_cracking wikiPageExternalLink ?p=42;.
- Environmental_stress_cracking wikiPageExternalLink modern_methods.html.
- Environmental_stress_cracking wikiPageID "17075935".
- Environmental_stress_cracking wikiPageRevisionID "578541695".
- Environmental_stress_cracking hasPhotoCollection Environmental_stress_cracking.
- Environmental_stress_cracking subject Category:Polymer_physics.
- Environmental_stress_cracking subject Category:Polymers.
- Environmental_stress_cracking subject Category:Thermoplastics.
- Environmental_stress_cracking type Abstraction100002137.
- Environmental_stress_cracking type Chemical114806838.
- Environmental_stress_cracking type Compound114818238.
- Environmental_stress_cracking type Material114580897.
- Environmental_stress_cracking type Matter100020827.
- Environmental_stress_cracking type Part113809207.
- Environmental_stress_cracking type PhysicalEntity100001930.
- Environmental_stress_cracking type Polymer114994328.
- Environmental_stress_cracking type Polymers.
- Environmental_stress_cracking type Relation100031921.
- Environmental_stress_cracking type Substance100019613.
- Environmental_stress_cracking comment "Environmental Stress Cracking (ESC) is one of the most common causes of unexpected brittle failure of thermoplastic (especially amorphous) polymers known at present. Environmental stress cracking may account for around 15-30% of all plastic component failures in service.ESC and polymer resistance to ESC (ESCR) have been studied for several decades.".
- Environmental_stress_cracking label "Environmental stress cracking".
- Environmental_stress_cracking label "Umgebungsbedingte Spannungsrissbildung".
- Environmental_stress_cracking sameAs Umgebungsbedingte_Spannungsrissbildung.
- Environmental_stress_cracking sameAs m.0417hf9.
- Environmental_stress_cracking sameAs Q920965.
- Environmental_stress_cracking sameAs Q920965.
- Environmental_stress_cracking sameAs Environmental_stress_cracking.
- Environmental_stress_cracking wasDerivedFrom Environmental_stress_cracking?oldid=578541695.
- Environmental_stress_cracking depiction Crazes1.jpg.
- Environmental_stress_cracking isPrimaryTopicOf Environmental_stress_cracking.
