ALUCORE® is an aluminium sandwich-type panel with high rigidity and extremely low weight. In contrast to conventional honeycomb composite materials, the system components, i.e the aluminium core and the coil-coated aluminium cover sheets are bonded in a continuous process.
The advantages are product quality and surface evenness. The material does not become brittle hard but shows tough and resilient properties and an excellent peel strength. Following in the footsteps of the ALUCOBOND® trademark, ALUCORE® is the ideal material for a host of applications in transport, architecture or industrial production.
The honeycomb core consists of aluminium foils made of the alloy AIMn (EN AW 3003) cell size b: approx 6.3-12.7 mm. The cover sheets of the panels consist of corrosion-resistant Peraluman alloys and may be used in a decorative or functional manner, depending on the purpose of application.
Wind Load and Permissible Panel Sizes
The diagrams below indicate the available ranges of panel thickness and permissible panel lengths at a given parnel width (1250 or 1500mm), depending on the loads applied.
The tables apply to panels supported on four sizes (corners fixed). Dimensional values for other systems are available on request.
Loads and Panel Dimensions
Rigidity compared with thickness and weight
|Aluminium Skin Thicknesses||1.00mm thick skin to front side|
|0.5mm thick skin to reverse face||1.00mm skins to reverse face|
|Section Modulus Z (mm3 103/m)||2.63||4.63||9.52||14.00||19.00||24.00||38.00|
|Moment Of Inertia I (mm6 104/m)||.0102||.0313||.0500||.1050||.1900||.3000||.7600|
|Rigidity EI (kNm2/m)||0.71||2.19||3.50||7.55||13.90||22.17||58.52|
|Alloy||Architectural / Facade Panels EN5005A AlMg1 H42
Industrial / Transport Panels EN5745 AlMg3 H42
|Modulus of Elasticity E (MPa)||70,000|
|Tensile Strength of Cover Sheets||Architectural / Facade Panels = 125 MPa
Industrial / Transport Panels = 220 MPa
|0.2% Proof stress ( MPa)||Architectural / Facade Panels = 74 MPa
Industrial / Transport Panels = 130 MPa
|Maximum Design Stress (Permissible)||Architectural / Facade Panels = 48.5 MPa
Industrial / Transport Panels = 79 MPa
|Linear Thermal Expansion||2.4 mm /m at 100oC temperature difference|
|Temperature Resistance||-50 – +80deg Celsius|
|Core cell size||6.3 mm||12.7 mm|
|Cell density||65 kg/m3||42 kg/m3|
|Bare compressive strength||2.5 – 4 MPa||1.5 MPa|
|Surface Finish||Industrial / Transport – Coil coated Modified Polyester both sides (Platinum White)
Architectural / Façade – Coil coated Fluoropolymer (PVDF or FEVE)
|Panel widths||1250mm & 1500mm widths only|
|Panel Lengths||From 2,000mm up to a maximum of 13,000mm
Industrial / Transport – Minimum of 500m2 per nominated length
Architectural / Façade – Minimum 1,000m2 per nominated length