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Beta-300Pro Automatic Abrasive Sectioning Machine
Beta-300Pro is a fully automatic vertical metallographic cutting machine. It utilizes advanced intel...
Carbon fiber composites combine lightweight design with high mechanical performance, but their heterogeneous structure makes metallographic preparation particularly challenging.
During sectioning and polishing, fiber pull-out, surface damage, scratches, and edge rounding can alter the fiber/matrix interface and affect the accuracy of subsequent microstructural analysis.
For this sample, a controlled preparation route was used:
- TJ2568 low-shrinkage epoxy mounting system
- MET-SP P800 → P1200 → P2000 for progressive grinding
- CS-JP + 1 μm PD-WT polycrystalline diamond suspension
- ZN-ZP + 0.05 μm SO-A439 colloidal silica suspension for final polishing
The objective is not simply to achieve a smooth surface, but to preserve the true fiber/matrix interface and minimize preparation-induced artifacts.
Reliable sample preparation provides the foundation for accurate evaluation of fiber distribution, interface quality, defects, and composite microstructure.
