Magnetic Particle Testing (MT) Methods
Here’s a detailed explanation of Magnetic Particle Testing (MT) methods for metal components: 1. Basic Principle Ferromagnetic Materials Only: Works on iron, nickel, cobalt, and their alloys. Magnetic Flux Leakage: When the component is magnetized, surface/near-surface defects disrupt magnetic field lines, creating “flux leakage.” Particle Accumulation: Magnetic particles (dry powder or wet suspension) cling to flux leakage zones, […]
What Is Sand Blasting?
Sand Blasting is the process of smoothing a surface with abrasive materials, like sand, ceramic grit, or aluminum oxide. The abrasive materials are pushed out at a high velocity with compressed air. Historical Context The origins of sand blasting trace back to 1870, when Benjamin Chew Tilghman patented the process. Since then, the technique […]
