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High Strain-Rate Constitutive-Behavior of Electronic Materials

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Synopsis

Material constitutive behavior of electronic materials at small-length scales and high strain-rates is not well-understood. Lack of material data limits the prediction capability and accuracy of computational models for transient dynamics of electronics subjected to shock and vibration. Electronic materials being studied include leadfree solders, low-k dielectrics, underfills, thin-film adhesives, fine-pitch copper traces and conformal coats.

Representative Publications

  1. Lall, P., Zhang, D., Yadav, V., Suhling, J., Locker, D., Effect of Temperature on the High Strain Rate Properties of SAC Leadfree Alloys at Temperatures Up to 200C, Proceedings of the 66th ECTC, Las Vegas, Nevada, pp. 1924- 1933, May 31- June 3, 2016.
  2. Lall, P., Yadav, V., Suhling, J., Locker, D., High Strain Rate Stress-Strain Measurement of SAC105 Leadfree Alloy at Temperatures up to 200C, Proceedings of the ITHERM 2016, Las Vegas, Nevada, pp. 1225- 1236, May 31- June 3, 2016.
  3. Lall, P., Shantaram, S., Suhling, J., Locker, D., Stress-Strain Behavior of SAC305 at High Strain Rates, ASME Journal of Electronic Packaging, Volume 137, No. 1, doi:10.1115/1.4028641, pp. 1-16, March 2015.
  4. Lall, P., Yadav, V., Suhling, J., Locker, D., A Study on the Evolution of the High Strain Rate Mechanical Properties of SAC105 Leadfree Alloy at High Operating Temperatures, Paper IPACKICNMM2015-48389; Session 14-2-1, ASME International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems (InterPACK), San Francisco, CA, pp. 1-17, July 6-9, 2015
  5. Lall, P., Zhang, D., Yadav, V., Locker, D., KEYNOTE PRESENTATION: High Strain-Rate Constitutive Behavior of SAC105 and SAC305 Leadfree Solder During Operation at High Temperature, Proceedings of the EuroSIME, Budapest, Hungary, pp. 1-11, April 19-22, 2015.
  6. Lall, P., Shantaram, S., Locker, D., High Strain Rate Properties of SAC105 and SAC305 Leadfree Alloys after Extended High Temperature Storage, Journal of the SMTA, Volume 27, No. 1, pp. 13-27, 2014
  7. Lall, P., Yadav, V., Zhang, D., Suhling, J., Shantaram, S., High Strain Rate Mechanical Properties of SAC105 Leadfree Alloy at High Operating Temperatures, 14th IEEE ITHERM Conference, pp. 161-169, Orlando, FL, May 27-30, 2014.
  8. Lall, P., Zhang, D., Yadav, V., Suhling, J., Shantaram, S., Material Behavior of SAC305 under High Strain Rate at High Temperature, 14th IEEE ITHERM Conference, pp. 1261-1270, Orlando, FL, May 27-30, 2014.
  9. Lall, P., Shantaram, S., Suhling, J., Locker, D., Effect of Aging on the High Strain Rate Mechanical Properties of SAC105 and SAC305 Lead-free Alloys, Electronic Components and Technology Conference, ECTC, 63rd, pp.1277-1293, 2013.
  10. Lall, P., Limaye, G., Shantaram, S., Suhling, J., Effect of Isothermal Aging and High Strain Rate on Material Properties of Innolot, Proceedings of the ASME 2013 International Technical Conference & Exposition on Packaging and Integration of Electronic and Photonic Microsystems, InterPACK2013-73246, pp. 1-13, Burlingame, CA, 2013.

 


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