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Fluorescent Penetrant Dye Inspection (PT)Fluorescent Penetrant Dye Inspection (Penetrant Testing or PT) is a widely accepted inspection method used to detect surface cracks and defects in metals, ceramics and plastics. Penetrant Inspection will detect casting and forging defects, cracks and leakes in new products, and fatigue cracks on in-service components. Since May 2007, Superior Joining Technologies has been approved to ASTM E 1417 Standard Practice for Liquid Penetrant Inspection. |
Magnetic Particle Inspection (MT)Magnetic Particle Inspection (Magnetic Testing or MT) is a non-destructive method for detecting defects in ferrous metals. A magnetic field created with AC or DC current is applied through the material, causing distortion in the magnetic flow at a surface or near-surface flaw. Fine magnetic iron oxide particles, coated with a fluorescent dye and held in a suspension liquid, are attracted to the distortion in the magnetic field in the area of the defect and hold on to the edges of the defect to reveal it as a build-up of particles. The photograph at right shows an airplane crank-shaft being viewed with ultra-violet light (black light) as part of the magnetic testing process. The zoomed-view shows the presence of fatigue cracks on the plate around the crank shaft. Superior Joining Technologies received a five year certification on March 25, 2008, for approval to ASTM E 1444-05 Standard Practice for Magnetic Particle Testing . |
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Superior Joining Technologies is certified to and meets the requirements for NAS 410 for Aerospace, SNT-TC-1A for General Industry, and CP 189 for specialized non-aerospace applications such as pipeline and nuclear inspections. We are also a Certified FAA Repair Station for Fluorescent Penetrant and Magnetic Particle Inspection.
Heading up our NDT operation is Joel Mohnacky, who has over five years experience in PT and MT and is certified to a Level III status. |