December 11, 2007
By: John Wallace
Determining whether a tube seam has a partial bond can be difficult with standard ultrasonic or eddy current techniques. However, multifrequency, probe-based eddy current equipment can detect poor-diffusion bonds in nonferrous materials. Using a penetrating field to reflect a signal off the planar structure of the weld works on ferrous materials.
Here's Jim Colt telling us about a new video contest anyone with a Hypertherm product can easily enter. T-shirts for just entering and nice prizes, too.
Check it out!
Still Building America—Fabricating at lightning speed - by Josh Welton
Drew “Ruby” Parker has landed what many would consider a dream fabricating job—body hanger for a racing team. Where will this job take him?
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