Molding Process
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Large Impact Strength Fluctuation of CMC
Problem Phenomenon
Impact strength of CMC products fluctuates ±30%, unstable
Cause Analysis
CMC dispersed phase particle size fluctuates 0.2-1μm, causing unstable toughening effect; crystallinity fluctuation affects impact
Solution
1)Stabilize processing conditions to ensure consistent dispersed phase particle size; 2)Nucleating agent to control crystallinity; 3)Raw material batch consistency control
Key Takeaway
Impact fluctuation is caused by unstable dispersed phase and crystallization; stable processing is the key
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