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I believe they use microwaves for inspecting the welds on pipes and such.
by mark-r 5y ago
I believe they use microwaves for inspecting the welds on pipes and such.
- 52-6F-62 5y agoThat's usually x-rayed if it's critical infrastructure AFAIK. Dad was a pipe fitter for Imperial Oil.
- laurent92 5y agoDepends on the size of the cracks you want to observe. For aircraft they use ultrasounds. I assume you dad used x-ray because methane and H2 are extremely small (they can’t be contained in, for example, water pipes, so the same goes for diagnostics and wavelengths).
- 52-6F-62 5y agoHot crude and hydrochloric acid under pressure are two I remember from his stories. He said they checked for hairline cracks. What that actually meant in practice for measurements I’m not sure.
- ortusdux 5y agoI've done a fair amount of weld inspection / NDT. X-ray would be the only radiation based method used on a construction site. This would typically be done in batches and require the evacuation of an exclusion zone.