Use of steel powder in composites

In summary, the conversation discusses the potential effectiveness of using steel powder in a polymer/ceramic composite matrix. The participants question the mechanical properties, particle size, and potential advantages of steel reinforcement. They also mention that steel is commonly used as the matrix in composites and that effectiveness depends on various factors such as composition and application.
  • #1
Facial
30
1
How effective is using steel powder in a polymer/ceramic composite matrix?

I am wondering this from observing this product called Faststeel which is one of those epoxy putty sticks that claims to be steel-reinforced.

I actually think that it will make a material stronger than the matrix material alone, but are there quantitative comparisons on the mechanical properties?
 
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  • #2
You've any idea what size the particles are? Was thinking whether dispersion strengthening models might be usable in estimating the effect.
 
  • #3
I thought about this question, but it slipped my mind.

I don't necessarily see steel being advantages - it would depend on composition and cold-work - but there may be an advantage on toughness (i.e. fracture toughness/fracture resistance).
 
  • #4
Facial said:
How effective is using steel powder in a polymer/ceramic composite matrix?

I am wondering this from observing this product called Faststeel which is one of those epoxy putty sticks that claims to be steel-reinforced.

I actually think that it will make a material stronger than the matrix material alone, but are there quantitative comparisons on the mechanical properties?
The only steel based composites I know (eg: boride cermets) use steel as the matrix.

As often happens, it comes down to a longer and more detailed list of qualities than just "effectiveness".

What kind of matrix do you have in mind and what is the application you intend for it?
 

1. What is steel powder and how is it used in composites?

Steel powder is a fine, powdered form of steel that is made through a process called atomization. It is often used in composites as a reinforcing filler, providing strength and durability to the material.

2. What are the benefits of using steel powder in composites?

Steel powder can improve the mechanical properties of composites, such as increasing strength, stiffness, and impact resistance. It also has good thermal conductivity, making it suitable for applications where heat transfer is important.

3. Can any type of steel powder be used in composites?

No, the type of steel powder used in composites is important. It should have a high purity and be free from impurities that could affect the properties of the composite. Additionally, the particle size and shape of the steel powder can also impact the composite's performance.

4. Are there any limitations or challenges when using steel powder in composites?

One challenge with using steel powder in composites is achieving good dispersion and bonding between the powder and the matrix material. This can be overcome by using proper processing techniques and surface treatment methods.

5. In what industries are composites with steel powder commonly used?

Composites with steel powder are commonly used in industries such as automotive, aerospace, construction, and marine. They are also used in sports and leisure equipment, as well as in the production of various consumer goods.

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