Web Results

Cold welding

en.wikipedia.org/wiki/Cold_welding

Cold welding or contact welding is a solid-state welding process in which joining takes place without fusion/heating at the interface of the two parts to be welded. ... that two clean, flat surfaces...

Metal - Cool Science Facts

www.coolsciencefacts.com/2006/metal.html

In space, if unprotected pieces of metal touch each other, they stick together ... This doesn't happen on Earth, because the oxygen in our atmosphere forms an ... If the atoms of two metal objects come in contact with each other, what you ...

If Two Pieces of Metal Touch in Space, They Get Stuck Together ...

www.mindblowing-facts.org/2013/01/if-two-pieces-of-metal-touch-in-space-they-get-stuck-together-permanently/

If two pieces of metal touch in space, they get stuck together PERMANENTLY. ... On the contrary, it is also believed that nothing of this sort actually happens.

www.ask.com/youtube?q=What Happens To Two Pieces Of Metal If They Touch In Space?&v=Yx6bk0qgl3s
Aug 2, 2011 ... The only thing preventing two objects from bonding when they touch is that their ... Cold welding is what happens when the two objects not only have uniform ... If you had two pieces of metal with perfectly matched surfaces in a ... the space between them, and the vast majority of the metal atoms begin to ...

TIL if two pieces of metal with a similar composition (ie, copper on ...

www.reddit.com/r/todayilearned/comments/28pbm5/til_if_two_pieces_of_metal_with_a_similar/

Jun 21, 2014 ... When this happens, the oxide layer on the surface of the fasteners (which ... Use cobalt alloy faced parts if they need to slide without lubricant .... they would actually only physically touch on a minute percentage of their ... The title wasn't very accurate, but it sounds better than "two pieces of metal all...

Top 10 Cool Facts about Space - Listverse

listverse.com/2007/11/13/top-10-cool-facts-about-space/

Nov 13, 2007 ... The density of Saturn is so low that if you were to put it in a giant glass of water it would float. .... Fact: If two pieces of metal touch in space, they become ... This doesn't happen on earth because the atmosphere puts a layer of ...

material science - Why don't metals bond when touched together ...

physics.stackexchange.com/questions/87107/why-dont-metals-bond-when-touched-together

Nov 19, 2013 ... If two pieces of the same metal are touched together, why don't they bond? ... issue in space when cutting metal that it could fuse back together because the ... It is also part of what happens in the galling of threaded fastener.

26 Totally Amazing Space Facts - Unreal Facts

unrealfacts.com/26-totally-amazing-space-facts/?singlepage=1

This just happens to be one of them. If two pieces of metal touch in space, that's two identical pieces, such as two pieces of copper or two pieces of iron, they will  ...

NASA's Cosmicopia -- Ask Us - Space Physics - Physics in Everyday ...

helios.gsfc.nasa.gov/qa_sp_ev.html

Mar 16, 2007 ... If you are stationary in space with nothing around you to push off on, you cannot ... The balloon will continue to expand until one of two things happens. ... against the floor either, although they are still close to the surface of the Earth. ... whether an electrical arc between two separate pieces of metal (such as ...

Space Facts: Amazing and Incredible Facts About Space - The Planets

theplanets.org/space-facts/

Whether it's for kids looking to learn more about space, or you're looking for ... If two pieces of the same type of metal touch in space they will permanently ... This doesn't happen on Earth because of the air and water found between the pieces.

More Info

If two metals touch in space, they fuse. Why? - Quora

www.quora.com

What would happen if two He nuclei in outer space collided at 300,000 kilometers ... Two pieces of metal would not normally fuse just by touching even in space.

ELI5: Snapple cap real fact # 1003 - If two pieces of the same type of ...

www.reddit.com

Sep 20, 2015 ... ... 1003 - If two pieces of the same type of metal touch in outer space, they will ... This can happen on earth too, it's just that air easily introduces ...

Do metals fuse together in space? | How It Works Magazine

www.howitworksdaily.com

Sep 25, 2013 ... In practice, this rarely happens on Earth because most metals form a protective oxide ... of course, if you deliberately polished it off then, yes, the two metals would fuse ... They say that for every human year a dog has seven.