Materials that bond with Calcium Fluoride?

In summary, the conversation discusses the possibilities of coating CaF2 with other materials for better adhesion. It is suggested that magnesium fluoride may be a good option, but it is uncertain if it is easily accessible for an astronomer. The concept of mechanical interlocking interfaces is also brought up, where the substrate material has "digs" or "voids" that can potentially improve adhesion.
  • #1
lewdtenant
63
1
Can anyone give me some insight into any materials/substances that might bond to calcium fluoride (CaF2)? Any help is appreciated, thanks.
 
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  • #2
What do you mean, 'bond to'? CaF2 is a quite stable compound. It's not going to form any additional bonds.
 
  • #3
sorry, that was probably a poor choice of words. I guess I mean, can CaF2 be coated with something that doesn't peel off under normal atmospheric conditions very easily?
 
  • #4
lewdtenant said:
sorry, that was probably a poor choice of words. I guess I mean, can CaF2 be coated with something that doesn't peel off under normal atmospheric conditions very easily?
You want to protect an apochromatic objective?
 
  • #5
lightarrow,

yes, I'm looking for the adhesive properties of CaF2.
 
Last edited:
  • #6
lewdtenant said:
lightarrow,

yes, I'm looking for the adhesive properties of CaF2.
The best I can think of is magnesium fluoride MgF2, but I don't know if you were thinking of something easy to do for an astronomer fan, in which case I wouldn't know.
 
  • #7
Thanks lightarrow,

I read somewhere about mag-fluoride as well. Also,

I guess I meant adhesion properties.. (is adhesive the same thing?). I've been reading up on the science of interfaces between materials and came across some literature on mechanical interlocking interfaces, where the substrate material has "digs" or "voids" that get filled in with the coating material, thereby giving better adhesion. Not sure how those digs are made, or if it's done with CaF2, but it sounds interesting.
 

1. What is Calcium Fluoride?

Calcium Fluoride (CaF2) is a chemical compound made up of the elements calcium and fluorine. It is a naturally occurring mineral and is commonly found in rocks and soil.

2. How does Calcium Fluoride bond with other materials?

Calcium Fluoride has a high affinity for bonding with other materials due to its strong ionic bonds. It can bond with other elements such as oxygen, carbon, and sulfur, as well as with other compounds.

3. What are the properties of materials that bond with Calcium Fluoride?

Materials that bond with Calcium Fluoride typically have similar properties, such as high melting points, hardness, and resistance to chemical and physical changes. They also tend to have strong ionic bonds and are often used in industries such as glassmaking and ceramics.

4. What are some common materials that bond with Calcium Fluoride?

Some common materials that bond with Calcium Fluoride include silica, alumina, boron, and phosphorus. These materials are often used in the production of glass, ceramics, and other industrial products.

5. What are the applications of materials that bond with Calcium Fluoride?

Materials that bond with Calcium Fluoride have a wide range of applications. They are commonly used in the production of glass for lenses and optical instruments, as well as in the manufacturing of ceramics, cement, and steel. They are also used in the production of toothpaste and other dental products due to their ability to strengthen tooth enamel.

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