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latest user's comments
|#26 - Then the claustrophobia kicks in. [+] (1 new reply)||02/18/2014 on Pupa||+8|
|#29 - I still have nightmares like that.||02/18/2014 on #SpongebobStruggles||+1|
|#2 - I've signed it. Only 999,997 left!||02/18/2014 on Link in description. Sign...||+1|
|#1 - I left my mark by someones creations.||02/17/2014 on For Your Boredom 12||0|
|#1 - That's cool.||02/17/2014 on For Your Boredom 15||0|
|#4 - No problem. If you have any climbing frame related questions, … [+] (1 new reply)||02/17/2014 on Worst slide ever||+27|
|#2 - That's for climbing. [+] (3 new replies)||02/17/2014 on Worst slide ever||+14|
#3 - 2scared2login (02/17/2014) [-]
Thanks i did not know that.
|#1 - What material did they use to cut it into that square? [+] (31 new replies)||02/16/2014 on Unbelievable Facts||+13|
#45 - jasytis (02/17/2014) [-]
From what I understand graphene loses it's durability and strength with thickness, so what if we were to stack single layers of graphene between other 2D materials? Would it still lose it's properties? If yes, would it be possible to create large sheets of single layer of graphene for industrial use? I.E. Windows for houses and vehicles, planes and space technology etc.? And last question, since graphene is a crystal would it be possible to utilise it in telescopes? Sorry for the long read and any grammar mistakes I've made, english isn't my native tongue.
#50 - austinpowerz (02/18/2014) [-]
Graphene can only be made in very very small sheets (think 5 micrometers square and only a few nanometers thick) so it is predominantly used in other materials, my dissertation for example is using it to reinforce plastic with the aim of creating super strong super light plastics. So no it doesn't lose its properties when place in other materials.
Being a crystal refers to the chemical structure that it has and isn't related to how transparent it is. Graphene and other fullerene based products such as carbon nanotubes are black and generally turn anything that you put them in also very black and opaque. So no it probably couldnt be used in making glass.
#51 - austinpowerz (02/18/2014) [-]
It isn't used on its own, it is used to reinforce other materials for two reasons.
1) it would be very impractical very expensive (and I'm not sure if it is currently possible) to create a graphene sheet that is the size of say a plate of armour.
2) This content is a bit misleading as it doesn't define "stronger" because something is strong than another material it doesn't mean that it won't fail before the weaker material. For example:
Steel is very strong in tension (if you try to pull it apart) and will withstand great forces without catastrophically failing. concrete on the other hand is pathetic in tension and will fail very quickly and abruptly. However putting concrete in compression (crushing it) increases its ability to withstand forces by ten fold making it in some respects "stronger" than steel.
Going back to the original question my project is to create super strong super light materials. I'm doing this by incorporating graphene into plastics. If it goes 100% correctly I will have a material that is stronger lighter and more flexible than steel with higher resistance to heat. However creating the material is very time consuming and expensive meaning that we are far off creating armour from it.
#52 - austinpowerz (02/18/2014) [-]
See #51 kinda the same question, but yeah, it would probably fail in a different way to a metal sword. Metal will bend and deform, whereas something like graphene with a crystal structure would break clean off without deforming (think of a broken plate). In terms of keeping its sharpness, like diamonds it would be very strong.
#53 - austinpowerz (02/18/2014) [-]
As with all of the other answers you wouldn't use it as a large sheet of pure graphene as it is expensive hard to make and cannot be made at sizes that are larger than a powder. However placing it into other materials to structurally improve then is definitely possible.
I've noticed that all of these questions talk about the mechanical properties of graphene. It also has incredible electrical and thermal properties.
#66 - bremen (02/18/2014) [-]
The military wont use it. What i mean is. Yes, DragonSkin is tough shit, but not a strong as kevlar and steel plates that the military uses. DragonSkin has to be revamped before it goes against anything higher than .45 acp. While the kevlar and steel plates can stop most ammo and leave bruises, other than a 50 cal which would usually go through.. DragonSkin is considered military grade because of its design to stop bullets, while not most, but it does stop them. What i mean is, DragonSkin is efficient as a body armor, But it isn't the best out there.
|#221 - No thanks.||02/14/2014 on FJ Demographics||0|
|#113 - Back again.||02/12/2014 on where..||0|
|#10 - Character customization.||10/23/2013 on Well, shit||+60|
|#129 - I make £4.50 a month just by spending 10 hours a day doing surveys!||10/03/2013 on Fun fact||+2|
|#8 - k||09/23/2013 on Happy cow||+9|
|#130 - Alfred head butted Clark Kent in the nose. [+] (2 new replies)||09/18/2013 on strongest DC character||+5|
|#103 - MFW I didn't preorder but still got the preorder bonus.||09/18/2013 on Daddy Issues.||0|
|#3 - By the way, Is there any link between you leaving and the rele… [+] (2 new replies)||09/16/2013 on tlrloolrlt's profile||0|
|#2 - No problem.||09/16/2013 on tlrloolrlt's profile||0|
|#25 - **tlrloolrlt rolled a random comment #63 posted by whycant…||09/16/2013 on Comments!||-1|
|#45 - A space biome would be pretty cool. [+] (1 new reply)||09/08/2013 on New biomes!||-1|
|#9 - Picture||09/03/2013 on Skyrim||+7|
|#638 - What if you play as some sort of character that is masked and …||08/29/2013 on Hi funnyjunk||-1|
|#120 - Picture||08/28/2013 on how terrified should you be||-1|
|#112 - Hmmm||08/27/2013 on where..||0|
|#4 - Picture||08/27/2013 on Prince||0|
|#190 - **tlrloolrlt rolled a random comment #3530538 posted by co…||08/19/2013 on Rolls||0|