Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← ScienceWhich outcome follows after exceeding glass transition temperature in amorphous polymer thread inserted into composite material?
A)Increased ductility, reduced thread stiffness✓
B)Microcracking, increased thread brittleness
C)Accelerated oxidation, depolymerization onset
D)Crystallization, increased tensile strength
💡 Explanation
When glass transition temperature is exceeded, increased molecular motion occurs because thermal energy overcomes intermolecular forces, leading to increased ductility and decreased stiffness. Therefore ductility is predictably enhanced, rather than brittleness, oxidation or crystallization, which necessitates substantially more energy or specific cooling rates.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Science →- Which mechanism enables persistent current flow within superconducting MRI magnets?
- Which risk increases when dielectric breakdown degrades capacitor insulation?
- Which outcome limits heat exchanger effectiveness when cooling viscous oil?
- Which consequence typically occurs when supercritical carbon dioxide transitions into a gaseous phase above its critical temperature in a closed container?
- Which risk increases when a nanoscale flash memory cell's oxide layer degrades?
- Which consequence results when electron shielding is compromised in a catalyst?
