Active Member
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[China]
Address: 1200 N Fuxing Rd Wutong District 314500 Zhejiang P. R. China
Contact name:Warren Sun
Pasia Honeycomb Products Co., Ltd |
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Yacht Decoration Use Nomex Honeycomb Panel with Carbon Fiber Surface Prepreg Plates
Product Description
The nomex honeycomb panel is comprised of a nomex honeycomb core with two carbon fiber prepreg produced surface plates while the nomex is the aramid fiber brand of Dupong company. The surface plates are produced from fiberglass or carbon impregnated with phenolic, epoxy, or other type thermosetting or thermoplastic resins. The finished products possess good properties of light weight and high strength which are very important for yacht manufacturing. Furthermore, the nomex honeycomb panel is with fungi resistance, non combustible and moisture resistance. The yacht should be on water and sometimes in sea water. These combined good properties are very important for the shipbuilding industry.
Features of Aramid Honeycomb Panel:
1. high temperature resistance makes the panel can be hot pressed into shape under the temperature more than 200 ℃
2. Wide range of density from29-160 kg/m3 of the core, if reinforced with carbon prepreg plates, the total area weight can be very low to 30g/m2; therefore it can meet many clients requirement on weight
3. Extremely high shear strength, especially compared with foam core material, more suitable for use in light structure. It is considered to be a light weight but high strength composite honeycomb core material
4. High rigidity, high resistance to damage compared with other honeycomb core materials
5. Flame retardant, low smoke and low toxicity (in line with the most stringent flame retardant and smoking standards of aviation);
6. Excellent creep and fatigue properties, can be used in strict requirement for long term use
7. Extremely high wet strength, can be used in high humidity environment. Easy to process with reduced production cost;
8. corrosion-resistant (not corroded by moisture or other medium or electrochemical reaction with carbon fiber, like a metal honeycomb);
9. superior heat and sound insulation performance, compared with metal and glass fiber materials, under the same weight with better insulation and sound insulation performance, more comfortable and energy conservation and environmental protection;
10. Easy forming process, compared with the metal honeycomb, the aramid honeycomb can be curved form, the processing is more convenient, the operation is more convenient.
Mechanical Properties of the Nomex Honeycomb Core
| Size of honeycomb cell (mm)) | Density (Kg/ m3) | Plain compressive strength(MPa) | Plain shear properties(Mpa) | ||||
| Pure core material | Sandwich structure | Strength | Modulus | ||||
| L | W | L | W | ||||
1.83 | 48 | 1.8 | 2.28 | 1.38 | 0.79 | 88 | 45 |
| 64 | 3.12 | 3.83 | 1.81 | 1.11 | 100 | 57 | |
2.75 | 32 | 0.92 | 1.0 | 0.79 | 0.46 | 66 | 32 |
| 48 | 2.1 | 2.33 | 1.48 | 0.86 | 121 | 54 | |
| 72 | 3.93 | 4.26 | 2.62 | 1.45 | 151 | 65 | |
Mechanical Properties of the Nomex Honeycomb Core 2
| Core type | Density ( kg/m3) | Stab.comp.str (Mpa) | L Shear Properties(Mpa) | W Shear Properties(Mpa) | |||||||
| Strength | Modulus | Strength | Modulus | ||||||||
| Typ | Min Ind | Typ | Min Ind | Typ | Min Ind | Typ | Min Ind | Typ | Min Ind | ||
| 3.2-29 | 29 | 0.77 | 0.60 | 0.56 | 0.47 | 25.9 | 17.4 | 0.35 | 0.30 | 14.5 | 11.3 |
| 3.2-48 | 48 | 2.35 | 1.92 | 1.22 | 1.03 | 44.5 | 34.5 | 0.73 | 0.61 | 27.1 | 20.9 |
| 3.2-64 | 64 | 3.88 | 3.22 | 1.72 | 1.55 | 61.0 | 54.0 | 0.99 | 0.82 | 34.0 | 25.0 |
| 3.2-80(E) | 80 | 6.67 | 4.49 | 1.92 | 1.65 | 66.1 | 52.3 | 1.20 | 0.97 | 43.9 | 36.3 |
| 3.2-80 | 80 | 5.19 | 4.69 | 2.22 | 1.95 | 71.0 | 64.0 | 1.23 | 1.05 | 38.4 | 34.0 |
| 3.2-96(E) | 96 | 8.99 | 8.78 | 2.49 | 2.25 | 82.8 | 77.5 | 1.73 | 1.67 | 59.1 | 55.5 |
| 4.8-40 | 40 | 1.63 | 1.46 | 0.95 | 0.92 | 38.0 | 36.3 | 0.55 | 0.52 | 23.9 | 22.5 |
| 4.8-48 | 48 | 2.45 | 1.86 | 1.24 | 1.02 | 41.3 | 34.0 | 0.77 | 0.60 | 30.0 | 18.0 |
| 4.8-72 | 72 | 5.28 | 4.60 | 1.70 | 1.32 | 57.1 | 47.5 | 1.09 | 0.80 | 40.5 | 23.2 |
| 4.8EX-48 | 48 | 2.20 | 1.80 | 0.79 | 0.62 | 20.6 | 16.1 | 0.87 | 0.72 | 42.0 | 34.0 |
Typical application:
Uses includes flooring, radomes, antennas, military shelters, fuel tanks, helicopter rotor blades, basis, indoor decoration panels and navy bulkhead joiner panels.
High strength-to-weight ratios, high thermal and electrical conductivity, high tensile strength, low weight, low thermal expansion and excellent fatigue resistance are shown with the carbon fiber prepreg processed surface plates. Furthermore, the carbon fiber fabrics show many artistic pattern on the surface as the fabrics can be woven into plain, twill, satin and other methods during weaving process. High temperature and high pressing cured process makes the carbon fiber prepreg and the nomex core bond together completely. While the cells of the honeycomb core are free of resin infusion during the controlled production process compared to the other lay-up processes. This effort makes the final products free of no necessary materials but with a perfect light weight.
Lightweight, high strength nomex honeycomb core makes the sandwich composite panels’ higher compressive strength and lower weight, compared to traditional balsa or foam core sandwich panels. The carbon fiber and aramid honeycomb core can be both selected on product specification, weight, layer for customized purpose.
