Electrically Assisted Forming: Modeling and Control by Wesley A. Salandro, Joshua J. Jones, Visit Amazon's Cristina

By Wesley A. Salandro, Joshua J. Jones, Visit Amazon's Cristina Bunget Page, search results, Learn about Author Central, Cristina Bunget, , Laine Mears, John T. Roth

Maximizing reader insights into the newest learn findings and purposes of Electrically-Assisted Forming (EAF) – wherein metals are shaped less than an electrical present box – this e-book explains how any such approach produces rapid more suitable formability of metals past the level of thermal softening, and permits metals to be shaped to larger elongation with reduce mechanical strength in addition to taking into consideration light-weight brittle metals reminiscent of magnesium and titanium to be shaped with no exterior heating or annealing, permitting the greater use of those light-weight metals in design.
Including case experiences that illustrate and help the theoretical content material and real-world purposes of the thoughts mentioned, this ebook additionally serves to complement readers figuring out of the underlying theories that impression electro-plastic behaviour.

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Extra info for Electrically Assisted Forming: Modeling and Control

Sample text

There are different applications of simulation. The main simulation applicability would be for metal forming; however, there is also the potential to simulate, or model, alternative EA processes. Such process could be EA machining, EA bending, or EA joining. 2 Metal-Forming Companies • The predictive model can be used for EAF process design, where the speed, electrical settings, and die design will be optimized. The Tier I and Tier II metalforming suppliers will also be probable early adopters because the EAF technique may be their chosen formability-enhancing technique for forming Mg and Ti, as explained earlier.

Dislocations can also be considered lattice defects because they represent portions of un-bonded atoms within a lattice. Regardless of the type of lattice defect, any flaw in the lattice of the material will have an effect on the dislocations that are moving through the metal. In the case of a perfect lattice, the dislocations will move by way of breaking and reforming bonds due to external forces that are exerted, as was described in the previous sections. , a defect), the dislocations now have a harder time advancing past this point, unless extra energy is provided to do so.

There is an effect on material flow stress that appears to be due solely to direct electrical influence, beyond what would be expected from temperature effects. This electroplasticity effect is one of the key phenomena associated with EAF, and what we attempt to describe in the modeling chapters in later chapters. 3 Broader Impacts of EAF The applications (or industries) which could use EAF will be discussed first, followed by potential users of the EAF thermo-mechanical predictive models. 1 Automotive and Aerospace Industries Like other formability-enhancing manufacturing techniques, EAF is not the optimum technique to use for all metals or all part designs.

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