Abstract
In order to analyze the feasibility of the application of domestic M40J carbon fiber in the spacecrafts, the interfacial properties of two kinds of domestic M40J carbon fibers (GCM40J-A, GCM40J-B) and cyanate ester(BS-4) system were evaluated by SEM, AFM, TG, surface tension meter, dynamic contact angle test and IR. The results show that the surface roughness of domestic M40J carbon fibers is similar to Toyal M40J carbon fiber, and the dynamic contact angles between three kinds of carbon fibers and BS-4 are 107°(GCM40J-A), 101.5°(GCM40J-B) and 100.3°(M40J) respectively. The heat resistance temperature of the three kinds of fiber sizing agents are higher than 230 °C, which is also higher than the curing temperature of cyanate ester. Moreover, the sizing agents of GCM40J-A and GCM40J-B have higher reactivity than that of M40J, and the interlaminar shear strengths (ILSS) of GCM40J-A/BS-4 and GCM40J-B/BS-4 are 85.9 MPa and 84.7 MPa, which are higher than that of M40J/BS-4(72.5 MPa).
| Translated title of the contribution | Interfacial Properties of Domestic M40J Carbon Fiber/Cyanate Ester Composites |
|---|---|
| Original language | Chinese (Traditional) |
| Article number | 21050130 |
| Journal | Cailiao Daobao/Materials Reports |
| Volume | 36 |
| Issue number | 17 |
| DOIs | |
| State | Published - 10 Sep 2022 |
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