Boron-Aluminum materials for aircraft use

In summary, composite materials have been used in aircraft construction for a long time, with advancements in materials and fabrication methods leading to lighter and stronger options. One such material is Boron-Aluminum, which has been used in spacecraft for radiation shielding and has also been tested in aircraft since the 1970s. It is likely being used in specific parts of the aircraft, such as the fuselage or engine, due to its desirable characteristics.
  • #1
heartofcourage
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Recently I discussed aircraft materials with an engineer and we discussed the now famous carbon fiber materials being used for aircraft construction.

But he mentioned something I never heard about before called Boron-Aluminum which supposedly is an advanced aircraft material. The few resources for layman that I can find mention that is useful for spacecraft as radiation shielding against neutrons and other high energy particles.

Does anyone know what this Boron-Aluminum might be used for in aircraft construction in general aviation atmospheric aircraft? thanks
 
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  • #2
Composite materials have been used to make airplanes since their ( airplanes ) inception, the most classic example being wood. It is just that with experimentation and testing that lighter and stronger materials have come about, along with the data of their performance under working conditions. Nothing really new under the sun. Except methods of fabrication so that larger structures can be safely assembled.

One aircraft, only a test version by Boeing, the Model 60 twin rotor helicoptor used some of the newer developed composites in a multitude of places, and that was as far back as 1987.
https://en.wikipedia.org/wiki/Boeing_Model_360

Previously though the Tomcat had a composite stabilizer from 1972. Composite skins on certain parts was used on other aircraft, and as failures and successes were noted, the spread of composite parts on aircraft has expanded.
You can get a pretty good synopsis here.
http://www.ae.iitkgp.ernet.in/ebooks/chapter1.html

My thoughts are that the Boron/Aluminium you speak of is a composite material with certain desirable characteristics.
Although, it is not that new, unless something has changed. DC10 had tests in 1977.
http://ntrs.nasa.gov/search.jsp?R=19780028164

I suppose you engineering friend did not mention where the new material would be used - fusalage, engine, fan blades.
 

Related to Boron-Aluminum materials for aircraft use

1. What are Boron-Aluminum materials and why are they used in aircraft construction?

Boron-Aluminum materials are a type of composite material made up of boron fibers and aluminum matrix. They are used in aircraft construction due to their high strength-to-weight ratio, which makes them ideal for creating lightweight and durable aircraft components.

2. What are the benefits of using Boron-Aluminum materials in aircraft?

The use of Boron-Aluminum materials in aircraft offers several advantages, including increased strength and stiffness, improved fuel efficiency, and reduced overall weight of the aircraft. These materials also have excellent corrosion resistance and can withstand high temperatures, making them suitable for use in various aircraft components.

3. How are Boron-Aluminum materials manufactured?

Boron-Aluminum materials are typically manufactured using a process called filament winding. In this process, boron fibers are wound onto a mandrel (a cylindrical mold) in a specific pattern, and then coated with an aluminum matrix using a technique called chemical vapor deposition. The resulting material is then cured and shaped into the desired form.

4. Are there any drawbacks to using Boron-Aluminum materials in aircraft?

While Boron-Aluminum materials have many benefits, there are also some drawbacks to consider. One of the main challenges is the cost of production, as the manufacturing process is complex and requires specialized equipment. Additionally, these materials can be difficult to repair if damaged, which can lead to longer maintenance times and higher costs.

5. What advancements have been made in Boron-Aluminum materials for aircraft use?

Over the years, there have been many advancements in Boron-Aluminum materials for aircraft use. These include the development of new manufacturing techniques to reduce costs and improve efficiency, as well as the use of other reinforcing fibers such as carbon and ceramic. Additionally, researchers are constantly working to improve the overall properties and performance of these materials for use in future aircraft designs.

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