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| Study on the Properties of Domestic Meta-aramid Honeycomb Paper Used in Aerospace |
| Received:March 16, 2022 |
| DOI：DOI：10.11980/j.issn.0254-508X.2022.12.004 |
| Key Words:aramid honeycomb paper aramid honeycomb core aerospace performance |
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| Abstract:The physical properties， dimensional stability at high temperature， flame retardant properties and resin bonding properties of domestic meta-aramid honeycomb paper were studied and the mechanical properties and flame retardant properties of the honeycomb core prepared by the meta-aramid honeycomb paper were characterized. The results showed that the longitudinal tensile strength and longitudinal modulus of the homemade honeycomb paper were 7.7% and 7.1% higher than those of the imported honeycomb paper， respectively. The main physical properties were basically the same as those of imported paper， and the air permeability was 0.004 μm/（Pa·s）. In addition， the product also had good high temperature dimensional stability， flame retardant characteristics and resin bonding characteristics， and the glue could be hung in the paper Z direction without glue penetration. The mechanical properties and flame retardant properties of the prepared meta-aramid honeycomb core reached the BMS8-124 index， which could meet the requirements of materials in aerospace and other high-end equipment fields. |
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