Weld penetration test

Dye penetrant inspection DPI , also called liquid penetrant inspection LPI or penetrant testing PT , is a widely applied and low-cost inspection method used to locate surface-breaking defects in all non-porous materials metals, plastics, or ceramics. Contact Us Events Road Show Branded Merchandise New Products. Figure 6 shows examples of CJP groove welds in a butt joint with a root face dimension i. I placed the weld surface into the electrolyte about a sixteenth of an inch, and a piece of L Stainless Steel on the other side as my negative electrode. The trailer shown in this thread suffered from bad fusion not penetration as defined in the welding world. I cut it cross wise with our plasma cutter.

Liquid penetrant inspection is widely used for leak detection. The most commonly employed scale for weld testing at LTI is the 10 Kg Vickers. Methods of destructive weld testing typically involve sectioning or breaking the welded component and evaluating various mechanical and physical characteristics.