Aluminum Foam
Technical Specifications
- Material: Aluminum 98.5% (Aluminum 6101 alloy) or Pure aluminum 99.5%
- Density range: 0.11 to 0.41 g/cm³
- Porosity: 60-90%
- Pore size: 2-11 mm (Closed Cell)
- Compressive Strength: Up to 44 MPa
- Maximum service temperature: 450°C
- Melting point: 660°C
Description and Specification of Aluminum Foam
Aluminum foam is a special material with a unique structure. It is made of aluminum strands that form connected cells with open spaces. This foam is strong and light, making it useful in many industries. It has many air spaces called pores. These pores comprise 80% to 98% of the foam’s volume. The high number of pores gives the foam its unique features.
Aluminum foam is more robust than solid metal of the same weight. This strength-to-weight ratio is vital for many uses. The foam structure has other benefits, too. It absorbs energy well, which helps protect against impacts. The foam reduces sound, making it good for quieting noisy areas. It also keeps heat in or out, allowing temperature control in different applications.Companies make it in several ways, each with slightly different features. One common method is using molten metal. In this process, gas or special chemicals create bubbles in melted aluminum. As the metal cools, these bubbles form the foam structure. Another method uses fillers like salt grains or small plastic pieces. These fillers create spaces in the aluminum. Later, the fillers are removed, leaving holes behind.
Another method of making aluminum foam is to use aluminum powder mixed with special additives. When heated, this mixture foams up, and the particles stick together. This process is called sintering. After cooling, this method creates a type of aluminum foam.
Types
There are two main types: random-pore foam and ordered-pore foam. Random-pore foam has unevenly shaped holes, which looks more natural. Ordered-pore foam has evenly spaced, open holes, which looks more structured. Both types are useful for different tasks.
Structure
The structure of the foam gives it special qualities. The open cells let air or liquids pass through, making the foam good for filtering. The structure also creates a large surface area, which helps with heat exchange and chemical reactions. The foam’s structure can be changed to fit different needs. Makers can control the size of the holes and how dense the foam is, letting them create foam for specific uses.
It is flexible in how it can be used. It can be cut, shaped, and joined like solid aluminum. This makes it easy to work with and easy to use. The foam can be welded, glued, or attached with screws or bolts. This flexibility in making things adds to its value in the industry.
Production
Scientists are constantly working to improve aluminum foam. They look for new ways to make it and new uses for it. As technology gets better, more uses for the foam are found. It’s used in car safety, airplane parts, and many other areas. The list of ways to use it keeps growing.
Features Of Aluminum Foam
Strength-to-Weight Ratio
It is strong and light. This feature makes it useful for structures needing both strength and low weight.
Electrical and Thermal Conductivity
The foam structure conducts electricity and heat well. This property is useful in electronics and heat management.
Buoyancy
It floats in water. This feature opens up uses in marine applications.
Fire Resistance
The foam resists flames well. This property improves safety in many settings.
Acoustic Insulation
It absorbs sound effectively. It reduces noise in various environments.
Energy Absorption
The foam absorbs impact energy well. This feature is valuable for safety applications.
Easy Processing
Standard tools can cut and shape aluminum foam. It can be joined with glue or welding.
Customizable Dimensions
Manufacturers can make it in many sizes. This flexibility meets diverse application needs.
High Resistance
It resists deformation 100 times more than solid aluminum. This feature improves its structural performance.
Applications of Aluminum Foam
Aluminum foam is useful in many industries. The automotive sector uses it for crash protection and vehicle under bodies. Aerospace companies use it instead of honeycomb structures. It’s cheaper and has better fire resistance. Construction projects use foam for insulation and sound control. It works well in roof panels and wall coverings.
The foam has other uses, too. Designers create unique furniture and lamps with it. Sound engineers use it in tunnels and highway barriers. Energy companies use it in heat exchangers and fuel cells. Its high surface area and conductivity are beneficial here. Filtration systems also use it. It works well for gas and liquid filtering.
How to Use?
- Identify the specific use requirements
- Choose the right foam type (stochastic or regular stacked cell)
- Select the needed density and pore size
- Cut or shape the foam to fit
- Attach the foam using glue, welding, or mechanical fasteners
Safety Instructions
- Use metal gloves and face shields when handling
- Follow safety rules during cutting or shaping
- Keep a first aid kit nearby
- Store in a well-aired area away from heat
- Dispose of waste according to local rules
Why Choose Us
Techinstro is a pioneer in manufacturing Metal Foams. We offer high-quality aluminum foam at reasonable prices. Our highly dedicated team of researchers and engineers ensures our products meet client needs. We help with product selection and setup. We use state-of-the-art technology to maintain high quality and can supply it in bulk. We deliver worldwide quickly. Techinstro is a trusted maker and supplier of aluminum foam for research and industry. Contact us today to get a customized quote.