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  1. commodore

    Creating deformations in aluminium!?

    I propose that I can create tiny raised 'bumps' in a thin sheet of aluminium, using a laser. I believe that I can use the laser to heat a tiny spot on the aluminium (say approaching 1 micron), not enough for the spot to melt but simply enough for thermal expansion to occur. This will cause a...
  2. commodore

    laser forming

    How does laser forming work? I understand that the metals react to the heat, and that the effect can be calculated but what actually is the effect? I believe thermal expansion occurs, but would thermal contraction occur too? Any information on this process would be most welcome!
  3. commodore

    heat expansion

    How does heat expansion work? I'm interested in how metal will bend either away or towards heat. What if you heat just a little section of metal with heat (not hot enough to melt, just expand), and keep the rest at normal temperature, what will happen to the heated part? My idea is that it will...

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