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Impulse Manufacturing Laboratory at Ohio State
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Добавлен 3 фев 2014
We are Materials Science Researchers under Professor Glenn Daehn working on Impulse manufacturing methods. The objective of this channel is to upload short educational videos so that our knowledge can be spread throughout the world. If you would like to contact us please email daehn.1@osu.edu.
JSC 590 steel + 5052 Al weld created by automated VFAW system developed by Brian Ufferman, Aug. 2020
This automated system was developed by Brian Ufferman, Research Assistant at Ohio State's Impulse Manufacturing Laboratory. It features the vaporization foil actuator welding process created by Professor Glenn Daehn, Mars G. Fontana Professor of Metallurgical Engineering at The Ohio State University.
Просмотров: 401
Видео
Pedestal machine for VFAW: a civilized explosive welding method
Просмотров 2,8 тыс.7 лет назад
Vaporizing foil actuator welding of aluminum and steel
Pathway to commercializing VFAW -- Lessons learned
Просмотров 4249 лет назад
Vaporizing foil actuator welding (VFAW) was developed here at the Impulse Manufacturing Laboratory. It offers unique capabilities which we believe will make an impact in the automotive manufacturing world, especially at the advent of multi-material structures. In our continued effort to discover the pathway to commercializing VFAW, we went through an intensive I-Corps program, in which we condu...
Electromagnetic Metalworking: Creation of a Sealed Structure via Shearing, Flanging, and Hemming
Просмотров 50 тыс.9 лет назад
This video illustrates the use of the electromagnetic metalworking method to conduct several common manufacturing operations. Strong electromagnetic forces are applied to aluminum sheet metal workpieces via a single-turn copper path actuator connected to a capacitor bank discharge source. Electrical energy is charged to several thousand volts in the capacitors, and then it is released through t...
Openable Actuator: A New Electromagnetic Forming Method
Просмотров 14 тыс.10 лет назад
This video depicts the new electromagnetic forming method called the openable actuator. For more information visit our website: osu.edu/hyperplasticity
Introduction to The Impulse Manufacturing Lab
Просмотров 2 тыс.10 лет назад
The Impulse Manufacturing Lab is a research group at The Ohio State led by PI Professor Glenn Daehn that is focused on the creation and implementation of impulse metalworking within industry. Impulse methods include: Electromagnetic, Vaporizing Foil Actuator, and Pulsed Laser. Through these methods objects are moved at high speeds towards a die or another piece of metal. Shearing, welding, and ...
Conformal Joining by an Electromagnetic Actuator
Просмотров 4,2 тыс.10 лет назад
The use of an electromagnetic actuator to join an inner tube with dissimilar materials. Our Website: mse-gsd1.matsceng.ohio-state.edu/
Electrically Driven Dynamic Powder Compaction for Net Shape Manufacturing
Просмотров 97510 лет назад
Use of vaporizing foil actuator for dynamic compaction of titanium powders leading to compacts with density greater than 90% of the theoretical density. Our Website: mse-gsd1.matsceng.ohio-state.edu/ Vivek, A., DeFouw, J. D., & Daehn, G. S. (2014). Dynamic Compaction of Titanium Powder by Vaporizing Foil Actuator Assisted Shearing. Powder Technology.
Vaporizing Foil Actuator: A Tool for Creating Lightweight Structures
Просмотров 12 тыс.10 лет назад
Our group has recently been developing novel applications for the phenomenon of rapidly vaporized thin metal conductors. In this process, electrical energy stored in a capacitor bank is released through a switched circuit that contains a thin metal conductor. When the energy deposition rate into the conductor is very high which happens when the current in the circuit reaches its maximum very qu...
Vaporizing Foil Actuator Embossing of Script Ohio
Просмотров 1,7 тыс.10 лет назад
Vivek, A., Brune, R. C., Hansen, S. R., & Daehn, G. S. (2014). Vaporizing foil actuator used for impulse forming and embossing of titanium and aluminum alloys. Journal of Materials Processing Technology, 214(4), 865-875. Our Website: mse-gsd1.matsceng.ohio-state.edu/
Vaporizing Foil Actuator Welding by Collision of Dissimilar Metals
Просмотров 13 тыс.10 лет назад
Vaporizing Foil Actuator Welding: A Novel tool for Collision Welding, explained by Bert Liu and Co-workers. Publication: dx.doi.org/10.1016/j.jmatprotec.2013.07.006 Our Website: mse-gsd1.matsceng.ohio-state.edu/
A nice way to seal the Deal..
Now we’re need a DIY parts list and construction 😊
interesting , unless you doing this to metal the thickness of kitchen foil i doubt it can be done safely in a hobby enviroment because of the obviously enormous load in the capasitors (guessing old transformator style welder loading the capacirors and a relay from hell switching that current through the coil ) , wonder how big the electromagnetic pulse would be ( might overload laptops and other electronics )
"low capital cost" compared to what? last time I checked a 32kJ pulse capacitor with a lifetime of 1000 shots at 80% rated voltage and 20% voltage reversal was like $10k A cap bank with long lifetime and with enough energy to do all this in a slightly larger scale probably costs like $50k and up, then you have to add the power supply, pulse forming network and safety devices, the work coils. So a magnetic pulse metal forming machine in the medium scale of things (frying pans) must cost like $100k and up. You have to use forming dies anyway so I don't see the real benefit in cost.
is that zpinch principle?
hey, can I get this ppt file ? i need it for my presentation at my college. I chose VFAW as a presentation topic.
Triggered Spark Gaps for magnetic pulse welding, forming, crimping ruclips.net/video/bn703BgV3gg/видео.html
cool vid corn head
Where to from here ? whats the next application ?
I am wondering how this shape are created with the Cylinder - ruclips.net/video/5inJ7sDndBI/видео.html
I can't believe that I've never heard of this technology and it's been around for decades! Very cool video thanks for sharing..
It's been around since 1960s but recently got in trend again decade ago
Very good. Who are the 20 sad sacs that downvote a vid like this?
THIS stuff is sci-fi tech. It would use a lot of energy, but imagine how quickly you could crank out parts compared to pressing & welding. Also doesn't need the same type of tooling.
Thank you for the video. Very good work. What is the peak value of current and what is the total capacitance of your charge storage setup?
This is the future of home canning.. my grammy would be proud
Wow this 1960's video looks new.
The same thing was already used while building the apollo rocket
This is awesome!!!
how is the current switched, is it a mechanical switch or solid state?
A damped sinusoidal current flows through the could when the capacitor bank discharges
5:15 FIRE
I think that no one invented this process. I think it was discovered by accident. Then someone was like "Wait a minute, maybe I can do something with this." I kind of think a lot of stuff is "invented" that way.
Impressive
Wow , this is a very impressive technology.
The Slo-Mo Guys might be interested in filming this
I was thinking about the same thing, then I found your comment. It would really be interesting to see the metal bend and curl in 100k fps
Cool.
I believe there are some detonators that use this same principle. Bridge wire or r bridge foil dets I believe. Low ability to be mishandled so used for access annual applications on things you only wanna go boom if you've got the right code
Какое напряжение на конденсаторе? Отличное видео, даже если никто не ответит. Ого, сколько времени прошло %)
Bend radius thickness deformation calculated values will remain the same as other process ? Does speedy process need additional factors consideration?
Not sure why I watched this (I have nothing to do with any metal working of any sort) but it's awsome. I'm wondering though dose it matter how conductive the material is? Also dose it matter how big the piece is or dose it just depend on how much it had to move?
It depends on all of those things
Have you heard of electrothermal guns. If you electrically heat aluminum in water the aluminum will burn and generate high pressure. Work was done at Maxwell on this years ago. Perhaps it could be used for metal forming.
That's an old Maxwell Magneform machine
Maxwell Technologies built impact welding for Hanford labs back in the early 80's. I worked there when that was going on. It was for making plugs to fuel rods for reactors.
That is a neat process, especially the hemming
So Cool! Thank you for posting!
That was cool.
you shouldn't be showing this on RUclips it's an industrial secret that's why America is being stolen around the world. their inventions are copied by several countries mainly china etc etc
What's the purpose of the air nozzle on the last one? Venting or removal?
might be for testing how airtight it is
One of the best videos I have seen to date. A practical application of fringe technology.
Fringe technology? This tech has been around since the Apollo days.
@@BEdmonson85 Yeah, been around but still fringe. You will not be able to point out many items in your home that have been made using the tech. So fringe older tech.
@@KallePihlajasaari Can't deny that. Good point. I think I equated the word fringe to cutting-edge or state-of-the-art.
@@BEdmonson85 state of the art just means it's too expensive for anyone to afford!
How is the visible flash generated at 5:25?
I would assume the shear speed of it. perhaps igniting the air or the nylon as it went?
I think that was just a reflection of light from the camera as the angle changed on the part.
Metal deformed
aluminum is very flamable but it oxadizes instantly preventing it from bursting into flames normally but this process is so fast that the metal burns under the enourmous pressure and friction under such a short time that some flashing comes off durring the induction process
Flash --- edge formation
"It's amazing!"
Is that explosion welding? It looks like your using electricity to melt the two metals together. Is there even an explosion? It’s very cool and confusing.
The high energy delivered by the capacitor bank vaporizes a piece of foil "explosively", leading to a very strong but short Impulse. Just like an explosive. It's quite similar to explosive forming/welding - very different means but very similar result.
Ryan, Could you provide detail on the forming working template? I am curious if the forming template had, after process occurs; any "residual" magnetic field.
considering the template looks like uhmw plastic, there will be none
Hi John, I've tried to reach the website, but it's not working...
you guys need to make A LOT more videos....in HD.....with a Chronos cam
I could watch another dozen of these
Nice video bro,do more videos like this.!
Dear ryan I need some help in this project can you help me making the circuit diagram of impulse generator
Why is it called "Coldwater"?
I'm glad to see your work continue.
Given the relatively small scales achievable vs explosive welding, what are the target applications. It's too time intensive for running lines of spot welds, are there mesoscale machining tasks where this would be of particular use? or is it primarily for metallurgy research?
Good to make gold bars with lead inside 😂