Magnetic Particle Testing (MPT)
At Darchem, Magnetic Particle Testing is a key method for identifying surface and near-surface defects in ferromagnetic components. By magnetizing the part and applying fine magnetic particles, we can accurately detect discontinuities such as cracks or seams. The particles gather at areas of magnetic flux leakage, revealing flaws under appropriate lighting. This technique supports our quality assurance in safety-critical applications across sectors including aerospace, nuclear, and defence.
Dye Penetrant Testing (DPT)
Dye Penetrant Testing is used at Darchem to inspect non-porous materials for surface-breaking defects. A visible or fluorescent dye is applied to the component, allowed to dwell, then carefully removed before a developer highlights any flaws. This method is especially effective for detecting fine cracks in metal fabrications and assemblies. DPT plays a vital role in maintaining the integrity and performance of our high specification engineered products.
X-Ray / Radiography
At Darchem, radiography is used as a critical non-destructive testing method to inspect the internal integrity of components without dismantling them. By using X-rays or gamma rays, engineers can detect hidden cracks, voids, or flaws in metals and welded assemblies. This process ensures that every part meets the highest safety, quality, and performance standards, particularly for aerospace, nuclear and marine applications, where reliability and precision are essential.
Visual Inspection
At Darchem, visual inspection is a fundamental quality control process used to assess the surface condition and overall integrity of components. Skilled engineers examine parts for defects such as cracks, misalignments, surface imperfections, or assembly issues. This non-destructive method ensures that every component meets stringent safety, quality, and performance standards. Visual inspection is particularly vital in aerospace, nuclear, marine, and industrial applications, where even minor defects can impact reliability and functionality.