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  • Resistance Welding Fundamentals (.pdf)
    in the operation of heating coils. In addition to the bulk resistances, the contact resistances also play a major role. The contact resistances are influenced by the surface condition (surface roughness, cleanliness, oxidation, and platings). Fundamentals of Resistance Welding | Resistance Spot Welding
  • Corrosion Resistance
    One of the benefits of the METALAST Technology is improved corrosion resistance. Corrosion resistance is typically measured using a salt spray procedure (ASTM B 117) where the anodized samples are exposed to a heated salt spray to accelerate corrosion. In order to pass MIL A 8625F, Type II anodized
  • Progress on Distributed Resistance Model for pHEMT
    impact on. impedance. This work reports a set of experiments utilizing. different testing structures to reveal how a pHEMT device's. layout affects its gate-to-source/drain resistances due to. distribution of resistance along electrodes and the consequent. current crowding. As an example
  • Socket Resistance Comparison (.pdf)
    This test measures the electrical resistance on the portion of the socket, which is in the primary current path. The resistance is measured as shown in the sketch. Note that secondary parallel paths (i.e. contact between probe tube and socket bottom, probe tube and socket top) if they occur, would
  • Choosing Plastics for Chemical Resistance
    structure, can be expected to dissolve in, or be softened by, certain solvents. But beyond that preliminary determination, the chemical resistance of polymers is difficult to predict by any simple means. Even establishing meaningful test parameters to determine chemical resistance is not easy because
  • Wear/Abrasion Resistance
    The wear or abrasion resistance of aluminum anodic coatings is one of the most important characteristics of hard anodized aluminum. Anodized aluminum is used for such components as pistons, cylinders, and hydraulic gear which require a very wear resistant surface. Although there are other anodizing
  • Reducing Contact Thermal Resistance
    The trend in the electronics packaging industry is towards smaller, more powerful devices. With these small, high power components, however, there are also higher heat fluxes. As a result, engineers must find ways to minimize the thermal resistance from the electronic device junction to the ambient
  • Chemical Resistance of Fluoropolymers (.pdf)
    such as polyethylene. Understanding the chemical structure gives a better understanding of why the fluoropolymers have such outstanding chemical resistance (and other properties). T E C H N I C A L W H I T E P A P E R. Chemical Resistance of Fluoropolymers. Introduction. Fluoropolymers are among

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