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Metals & Alloys

The Metals & Alloys Blog is the place for conversation and discussion about ferrous and nonferrous metals, metalworking processes, and specialty alloys. Here, you'll find everything from application ideas, to news and industry trends, to hot topics and cutting edge innovations. This blog is inspired by the Metals & Alloys newsletter from GlobalSpec, which you can subscribe to here.

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Whither Welding's Wonders

Posted December 19, 2007 8:04 AM

Welding has come a long way in the last 50 years. Do you think it will continue to be a dynamic and expanding technology in the next 50? Or will other technologies, such as adhesives make added inroads into fastening applications? Could modern plasma-arc, friction-stir, explosion, laser, and ultrasonic welding technologies be supplanted by other developments (say adhesives) in the future? Share your ideas.

The preceding article is a "sneak peek" from Metals & Alloys, a newsletter from GlobalSpec. To stay up-to-date and informed on industry trends, products, and technologies, subscribe to Metals & Alloys today.


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Guru
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#1

Re: Whither Welding's Wonders

12/20/2007 8:31 AM

It has to, with techniques that we haven't even thought of yet.

With not only the development of new alloys, composites and polymers, but environments also. Such as the vacuum of space.

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#2

Re: Whither Welding's Wonders

12/21/2007 7:15 PM

I'm still waiting for the perfect welding method.

Place one material against the other,press and hold down a button on the "ray gun gizmo" and push the articles together, until they merge to your satisfaction.

When the two objects are properly merged, almost instantaneously, release the button, and they stay there merged (cold welded) in permanent togetherness state - unless you or someone else arrive with the "ray gun gizmo",and pressing the button once again, are able to release the bond.

Now, I think the process should be possible - all we need is the "ray gun gizmo".....

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#3
In reply to #2

Re: Whither Welding's Wonders

12/21/2007 8:31 PM

We use about as close as you can get to that with the IR fusion of PVDF and polypropylene pipe using a GF IR fusion machine.

I am interested to see if the future offers anything for some of the newer materials such as ceramics and the like.

Metal alloys will always be tough (no pun). I would not be surprised if nano-tech offers up some molecular level weldments for ??????? God knows what reason.

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#4
In reply to #3

Re: Whither Welding's Wonders

12/24/2007 2:12 PM

"I am interested to see if the future offers anything for some of the newer materials such as ceramics and the like."

If this develops, welding may take on a whole new meaning that resembles adhesives or chemical bonding.

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#5

Re: Whither Welding's Wonders

12/24/2007 2:34 PM

In my earlier Post:

http://cr4.globalspec.com/comment/158202/Re-Whither-Welding-s-Wonders

I should have explained what I meant with "merging".

As Matter consists of mostly empty space, it should be possible to alter that state slightly in an area, with the "ray gun gizmo".

This would enable of intermixing of highly dissimilar materials.

These materials are not just "welded", but truly and gradually intermixed.

So, you could thus intermix ceramic and steel.

Or wood and ceramic.

Or metal and living tissue - (Horrible postulated situation: Help me please there has been an accident, I slipped and fell, now I have my hand with the gizmo in it, batteries have gone flat and I'm stuck here, hand and gizmo intermixed with this boilerplate)

And soon.

Happy Christmas....

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