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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Cristina, J. Bunget Wesley, A. Salandro Mears, Laine |
| Copyright Year | 2012 |
| Abstract | Recent research by the authors has resulted in the conception of several methods of accounting for direct electrical effects during an Electrically-Assisted Manufacturing (EAM) process, where electricity is applied to a conductive workpiece to enhance its formability characteristics. The modeling and analysis strategy accounts for both mechanical effects and heat transfer effects due to the applied electrical power. This work presents a sensitivity analysis and explanation of several key material and process inputs during an Electrically-Assisted Forming (EAF) test on Stainless Steel 304 and Titanium Grades 2 and 5 specimens. First, the effect that the specific heat (Cp) value has on the model will be discussed and compared with another lightweight material. Second, the significance of all three heat transfer modes (conduction, convection, and radiation) will be noted, and any possible simplifications to the existing heat transfer model will be highlighted. Third, the general electroplastic effect coefficient (EEC) profile shape for the Stainless Steel 304 material will be compared to that of Titanium alloys. Fourth, a frequency analysis will be done on the data taken during the experiments, by way of a Fast Fourier Transform (FFT), and the variation of frequency response with the electric input is studied. Overall, this work provides insight into several factors affecting a material’s EEC profile, and also compares resulting EEC profiles of various materials. |
| Sponsorship | Manufacturing Engineering Division |
| Starting Page | 179 |
| Ending Page | 187 |
| Page Count | 9 |
| File Format | |
| ISBN | 9780791854990 |
| DOI | 10.1115/MSEC2012-7334 |
| Volume Number | ASME 2012 International Manufacturing Science and Engineering Conference |
| Conference Proceedings | ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing |
| Language | English |
| Publisher Date | 2012-06-04 |
| Publisher Place | Notre Dame, Indiana, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Thermo-mechanics Lightweighting Electrically-assisted forming Electroplastic effect Sensitivity analysis Accounting Mechanical properties Electric arc furnaces Modeling Convection Electricity (physics) Thermomechanics Heat conduction Specific heat Titanium alloys Radiation (physics) Stainless steel Titanium Frequency response Manufacturing Shapes Heat transfer Fast fourier transforms |
| Content Type | Text |
| Resource Type | Article |
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