Log in or Sign up
Coin Talk
Home
Forums
>
Coin Forums
>
Coin Chat
>
Can Proof-like Coins still have Cartwheel Luster?
>
Reply to Thread
Message:
<p>[QUOTE="physics-fan3.14, post: 2355203, member: 19165"]Creep is certainly analagous to the "flow" of glass. However, creep is defined as deformation under a low load for an extended period of time. A coining chamber has neither low load, nor a long time. </p><p><br /></p><p>The correct term, in materials sciences, is cold flow. It is related to the ductility of a material. After the applied stress exceeds the yield stress, there is permanent deformation of the material, and it conforms to the die.[/QUOTE]</p><p><br /></p>
[QUOTE="physics-fan3.14, post: 2355203, member: 19165"]Creep is certainly analagous to the "flow" of glass. However, creep is defined as deformation under a low load for an extended period of time. A coining chamber has neither low load, nor a long time. The correct term, in materials sciences, is cold flow. It is related to the ductility of a material. After the applied stress exceeds the yield stress, there is permanent deformation of the material, and it conforms to the die.[/QUOTE]
Your name or email address:
Do you already have an account?
No, create an account now.
Yes, my password is:
Forgot your password?
Stay logged in
Coin Talk
Home
Forums
>
Coin Forums
>
Coin Chat
>
Can Proof-like Coins still have Cartwheel Luster?
>
Home
Home
Quick Links
Search Forums
Recent Activity
Recent Posts
Forums
Forums
Quick Links
Search Forums
Recent Posts
Competitions
Competitions
Quick Links
Competition Index
Rules, Terms & Conditions
Gallery
Gallery
Quick Links
Search Media
New Media
Showcase
Showcase
Quick Links
Search Items
Most Active Members
New Items
Directory
Directory
Quick Links
Directory Home
New Listings
Members
Members
Quick Links
Notable Members
Current Visitors
Recent Activity
New Profile Posts
Sponsors
Menu
Search
Search titles only
Posted by Member:
Separate names with a comma.
Newer Than:
Search this thread only
Search this forum only
Display results as threads
Useful Searches
Recent Posts
More...