Heat insulating material near abs zero

In summary, the conversation discusses the use of materials for bolts/screws or thin sticks in a cryostat operating at a temperature of 3K. Thin stainless steel, PEEK, Torlon, or plastic are recommended to prevent heat conduction from the attached material. Materials to avoid include good electrical conductors and very hard materials. Overall, stainless steel or brass are suggested for metal options while any type of plastic can also be used.
  • #1
theory.beta
4
0
hi all,

I was wondering if there is any industrial/common type of material (at around temperature of 3K) that can function as bolts/screws or thin sticks. This is to be used in a cryostat and ideally prevent any heat conduction from the material it is attached to during the process.

Thanks in advance

S.

PS. I apologize if this post has been placed in the wrong section of the forum
 
Physics news on Phys.org
  • #2
Thin stainless steel or various types of plastic are often used, e.g. PEEK or Torlon. Keep cross sections small and make distances large. Avoid good electrical conductors (copper, silver, gold,...) and very hard materials (sapphire, diamond,...).
 
  • #3
Stainless steel or brass (alloys are bad conductors of heat at low temperature) if you need it to be made of metal.
Otherwise any type of plastic will - as M Quack alread pointed out- work well.
 

1. What is "abs zero" and why is it important in heat insulation?

"Abs zero" refers to absolute zero, which is the lowest possible temperature that can theoretically exist where all molecular motion stops. It is important in heat insulation because at this temperature, materials lose their ability to conduct heat, making them ideal for insulating against heat transfer.

2. How does heat insulation near abs zero work?

Heat insulation near abs zero works by using materials that have very low thermal conductivity, meaning they are poor conductors of heat. These materials prevent heat from being transferred through them, effectively insulating the surrounding area from heating up.

3. What types of materials are commonly used for heat insulation near abs zero?

Materials commonly used for heat insulation near abs zero include aerogels, which are lightweight and have very low thermal conductivity, and superinsulators, which are materials that have been specially engineered to have extremely low thermal conductivity at low temperatures.

4. Can heat insulation near abs zero prevent all heat transfer?

No, heat insulation near abs zero cannot prevent all heat transfer. While it can greatly reduce heat transfer, some heat will still be able to pass through the insulating material due to the laws of thermodynamics.

5. Are there any practical applications for heat insulation near abs zero?

Yes, heat insulation near abs zero has many practical applications, especially in fields such as cryogenics and space exploration. It is also used in the manufacturing of high-tech materials and equipment that require extremely low temperatures for optimal performance.

Similar threads

Search for specific near infrared transparent materials
    • Materials and Chemical Engineering
Replies
9
Views
966
I How to understand experiment to measure heat capacity of solid?
    • Classical Physics
Replies
1
Views
602
Why is a two-layered design recommended for heat insulation experiments?
    • Thermodynamics
Replies
5
Views
1K
Heat Transfer and Combustion: Estimating Heat Loss in Insulated Pipes
    • Engineering and Comp Sci Homework Help
Replies
1
Views
2K
Describe the methods of classifying polymeric materials
    • Engineering and Comp Sci Homework Help
Replies
1
Views
2K
Thermal insulating materials suitable for making piston and cylinder?
    • Materials and Chemical Engineering
Replies
6
Views
1K
Misc. How Can I Best Insulate a Safe to Protect Heat-Sensitive Materials?
    • DIY Projects
Replies
8
Views
2K
Surface oxidation of aluminum alloy and electrical continuity
    • Electrical Engineering
Replies
11
Views
333
Seawater sample temperature control – heat exchanger design
    • Mechanical Engineering
Replies
12
Views
2K
IP 65 rated enclosure with heat dissipation
    • Materials and Chemical Engineering
Replies
7
Views
2K

Hot Threads

Recent Insights

Back
Top