![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
The disadvantage of polymer matrix composites such as residual stresses, electrochemical effects and
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
A、Polymer
B、Metal
C、Ceramic
D、None of the above
A、P is symmetric
B、
C、is also symmetric
D、
A、The resin matrix for thermoset prepregs is partially cured.
B、The resin matrix for thermoset prepregs is fully cross-linked
C、The thermoset prepregs are dramatically different from thermoplastic prepregs.
D、More commonly used in prepreg composite manufacturing is thermoset prepregs.
A、major weakness
B、minor weakness
C、major strength
D、minor strength
A、Alumina (Al2O3)
B、Phosphorus pentoxide (P2O5)
C、Silicon nitride (Si3N4)
D、Aluminum nitride (AlN)
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