Timeline for Can Rotary Friction Welding be used to join metals and ceramics?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Jul 16, 2021 at 18:06 | comment | added | blacksmith37 | It is a forge weld; nothing melts. At high temperature the components are forced together and some is extruded from the joint ; not possible with SiC. Titanium would be a very poor candidate as it would absorb oxygen and nitrogen from air at high temperatures. | |
| Mar 9, 2021 at 17:43 | comment | added | niels nielsen | @Sevron, as I stated in my answer, ceramics are not ductile, and if loaded hard they shatter instead of deforming. in this case, the heat required to melt the materials comes from friction, which means that before they get hot, they experience huge stresses by being forced together with huge pressure while rotating. this will almost certainly shatter the ceramic long before it gets hot enough to melt. | |
| Mar 9, 2021 at 16:57 | comment | added | fpjxmqjtaw | Citation needed? Quick google search shows ceramics can melt, so why is it so straightforward that they would break before melting? | |
| Mar 9, 2021 at 6:05 | history | answered | niels nielsen | CC BY-SA 4.0 |