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Friction Stir Welding was invented by Wayne Thomas at TWI Ltd in 1991 and overcomes many of the problems associated with traditional joining techniques. Friction Stir Welding is a solid state process which produces welds of high quality in difficult to weld materials such as aluminium and is fast becoming the process of choice for manufacturing light weight transport structures such as boats, trains and aeroplanes.
For more information www.twi.co.uk/technologies/welding-coating-and-material-p...
If you wish to use this image each use should be accompanied by the credit line and notice, "Courtesy of TWI Ltd".
Welding and joining technologies are fundamental to engineering and manufacturing. Without the ability to make strong and durable connections between materials it would be impossible to produce the many different items we all rely on in our everyday lives – from the very large (buildings, pipelines, trains and bridges) to the very small (medical implants and electronic devices).
TWI has its roots in welding and joining technology and over many years has been responsible for developing and encouraging the adoption of new techniques and best practice in all industry sectors, providing its Members with the right manufacturing choices first time.
For more information www.twi-global.com/capabilities/joining-technologies/arc-...
If you wish to use this image each use should be accompanied by the credit line and notice, "Courtesy of TWI Ltd".
Surface contact welding on titanium foil
Courtesy of Dr. Gilberto Del Rosario
Image Details
Instrument used: Nova NanoSEM
Magnification: 10,000x
Horizontal Field Width: 29.8 um
Vacuum: high vacuum
Voltage: 3.00 kV
Spot: 3.0
Working Distance: 5.8 mm
Detector: TLD
Construction welding: External pipe lineup clamp holds two large bore pipe sections in position for welding. Welder standing on right of pipe and welder on his back left of pipe (welding above his face) make initial electric arc weld stitching around pipe joint to hold joint in position for the first complete weld bead all around the joint (after lineup clamp has been removed). Dixboro Bridge, Ann Arbor, 2004
Construction welding: Electric arc welding all around of large bore underground steel pipe. Worker grinds top weld while lying down welder welds lower half. Pipe is supported by wood blocking/cribbing. Dixboro Bridge, Ann Arbor, 2004
Since its early beginnings as the British Welding Research Association in 1946, TWI has been at the forefront of arc welding development. For instance, we developed carbon dioxide (CO2) shielding for MIG/MAG welding, making the process viable for welding carbon steel, and built the first solid-state power sources, paving the way for thyristor and inverter technology.
For more information www.twi.co.uk/technologies/welding-coating-and-material-p...
If you wish to use this image each use should be accompanied by the credit line and notice, "Courtesy of TWI Ltd".
TIG welding (Tungsten Inert Gas)
end of the square tube capped off.
A little tricky welding. It gets too hot too quick.
Aluminum is a big heat sink and starts melting before you realize it.
Most of the seal is made by just fusing the material. Very little filler is used
The pvc pipe in background is my home made fumes extracting device.
This pipe is hooked up to an exhaust fan which sucks all the bad stuff to the outside.
A closer look at the welds. The beads were not perfect and showed signs of low current, but it could be just the thing that did it. They fused well, and I could not knock them off with a hammer.
Source: lost
Edited: 020829_185856.jpg
A ship breaker uses a welding torch to cut scrap metal into pieces small enough to hoist out of the ship.
Ship breaking is the manual disassembly of retired ships. Here in Jarkarta, they are being broken in the water and on the bare ground, allowing scrap and toxic waste to pollute the surrounding waters. Read more about ship breaking on Wikipedia.
I love working on my hobbies with my younger brother, because it gives me the opportunity to capture these photographs
For more images and a wider range of sets please add me on Facebook
This is the third instalment in my WELD series that is gradually building up into a book of some sort :) this is my first colour version of a welding glass shot image and i would love for other users opinions on the outcome. Thanks