Material Analysis
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PAEK thermo-oxidation at high temperature
Problem Phenomenon
After long-term high-temperature use, the mechanical properties of PAEK decline significantly
Cause Analysis
At high temperature, the molecular chains of PAEK undergo oxidative scission; the stabilizer is consumed
Solution
Evaluate the long-term use temperature upper limit of the specific PAEK grade; reserve a safety margin in design
Key Takeaway
PAEK long-term heat resistance requires evaluation of thermo-oxidative stability
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