For all its usefulness, Velcro hardly inspires excitement. But German engineers have taken inspiration from the mild-mannered fastener to create a version of the hook-and-loop concept with enough steely strength for extreme loads and environments. A square metre of the new fastener, called Metaklett, is capable of supporting 35 tonnes at temperatures up to 800 ºC, claim Josef Mair and colleagues at the Technical University of Munich, Germany. And just like everyday Velcro it can be opened up without specialised tools and used again.
First of all I'd like to point out to anyone that doesn't read the New Scientist link that this 'steel velcro' can only hold 35 tonnes when that load is applied in the same plane as the strips. When the load is applied perpendicular to the strips it can support 7 tonnes. Secondly I fail to see how exactly this can work as advertised. Normal velcro is only separated once enough force has been applied that the strips cannot support, to release these strips of 'steel velcro' would require tremendous force, evidentially up to 7 tonnes as long as you have the option of pulling it perpendicularly. I see no other way this stuff could be separated apart from if pushing the strips together somehow un-hooked the hooks, but then that would make the stuff almost useless.
Posted by: not Kieran on September 4, 2009 at 9:07 PM
looks like it bends 180 degrees backwards to me in the photo. I would imagine that is how you release it with a lot less pressure than 7 tons. the 7 tons is the total area strength. I'm sure it's reduced when you peel it away... just like normal velcro. go buy some heavy duty plastic velcro and try to release it as a whole instead of peeling it back.
Void your warranty, violate a user agreement, fry a circuit, blow a fuse, poke an eye out. Make: The risk-takers, the doers, the makers of things... Welcome to Make: Online!
More contributors: Mark Frauenfelder (Editor-in-Chief, MAKE magazine), Kipp Bradford (Technical Consultant/Writer), Chris Connors (Education), Diana Eng (Guest Author), Peter Horvath (Intern), Brian Jepson (O'Reilly Media), Robert Bruce Thompson (Science Room)
Behind the Scenes at MAKE and CRAFT
In January, many of the remote MAKE/CRAFT team members (myself included) convened at the Maker Media headquarters at O'Reilly Media in Sebastopol, California. Take a look behind the scenes of your favorite DIY publications as Goli Mohammadi gives us...
More...
Sign up for the Make: Newsletter
Our Make: Newsletter covers news from maker Media, has original columns, Shed deals, and more! You can also read the archives of past issues.
looks more like a torture device...... cool either way
Reply to this comment
freaking awesome. I go through a couple rolls of heavy duty velcro a year the stuff rocks.
Reply to this comment
First of all I'd like to point out to anyone that doesn't read the New Scientist link that this 'steel velcro' can only hold 35 tonnes when that load is applied in the same plane as the strips. When the load is applied perpendicular to the strips it can support 7 tonnes. Secondly I fail to see how exactly this can work as advertised. Normal velcro is only separated once enough force has been applied that the strips cannot support, to release these strips of 'steel velcro' would require tremendous force, evidentially up to 7 tonnes as long as you have the option of pulling it perpendicularly. I see no other way this stuff could be separated apart from if pushing the strips together somehow un-hooked the hooks, but then that would make the stuff almost useless.
Reply to this comment
looks like it bends 180 degrees backwards to me in the photo. I would imagine that is how you release it with a lot less pressure than 7 tons. the 7 tons is the total area strength. I'm sure it's reduced when you peel it away... just like normal velcro. go buy some heavy duty plastic velcro and try to release it as a whole instead of peeling it back.
Reply to this comment