vollmer-gray

DR. AHAMED SHABEER, Ph.D.
Senior Managing EngineerPolymer Engineer Mechanical EngineerAdshabeer@vglabs.com

TECHNICAL AREAS OF SPECIALIZATION
  • Material Failure Analysis
  • Water System Component Failure Analysis
  • Physical, Mechanical and Environmental Testing of Polymeric Materials
  • Fatigue and Fracture Mechanics of Polymers and Composites
  • Chemical Compatibility Testing
  • Analytical Testing
  • Material Selection Consulting
  • Environmental Stress Cracking in Plastics
EDUCATION
Doctor of Philosophy, Mechanical Engineering/Polymers and Composites
Missouri University of Science and Technology, Rolla, Missouri (2005)
Master of Science, Polymer Engineering
College of Engineering Guindy, Chennai, India (2000)
Bachelor of Science, Mechanical Engineering
Pondicherry University, Pondicherry, India (1998)
Plastics Failure Analysis Seminar
2007 and 2008 (Organized by SPE/Bodycote – Chicago, Illinois)
Plastics Failure Analysis through Stress Analysis
2007 and 2008 (Organized by SPE/Bodycote – Chicago, Illinois)
PROFESSIONAL EXPERIENCE

Vice President, Vollmer-Gray Engineering Laboratories (January 2023 – present).

Mechanical and Material Failure Analyst, Vollmer-Gray Engineering Laboratories, Inc., (November 2010 to December 2022): Failure analysis of materials. Mechanical and chemical testing of materials. Fatigue crack propagation and fracture toughness testing and analysis.

Senior Scientist, Exova, Anaheim, CA (October 2009-November 2010): Failure Analysis of Polymer and Composite Components. Mechanical and chemical testing of polymers and composites. Fatigue crack propagation and fracture toughness measurement of polymers. Life prediction of polymers. Elastic-plastic fracture mechanics.

Polymer Scientist, Bodycote Testing Group, Anaheim, CA (June 2008 to October 2009): Failure Analysis of Polymer and Composite Components. Mechanical and chemical testing of polymers and composites. Fatigue crack propagation and fracture toughness measurement of polymers. Life prediction of polymers. Elastic-plastic fracture mechanics.

Polymer Scientist, Bodycote Polymer Broutman Laboratory, Melrose Park, IL (2006-2008): Failure Analysis of Polymer and Composite Components. Mechanical and chemical testing of polymers and composites. Fatigue crack propagation and fracture toughness measurement of polymers. Life prediction of polymers. Elastic-plastic fracture mechanics.

Post Doctoral Fellow, Missouri University of Science and Technology-Rolla, Missouri, (January 2006 to December 2006)

Graduate Fellow, Missouri University of Science and Technology-Rolla, Missouri, (January 2001 to December 2005)

Lecturer in Mechanical Engineering, University of Madras, India, (April 2001 to December 2001)

Tool Design Engineer, Tractors and Farm Equipments Limited India, (May 1998 to July 1999)

HONORS

Graduate Research Fellowship, Missouri University of Science and Technology-Rolla (2002 to 2006)

Gold Medal for Best Candidate in Polymer Science and Engineering (1999 to 2000)

PUBLICATIONS

A. Shabeer, A. Garg, S. Sundararaman and K. Chandrashekhara, “Dynamic Mechanical Characterization of Soy-based Epoxy Resin System,” Journal of Applied Polymer Science, Vol. 98, Issue 4, pp. 1772-1780, 2005.

A. Shabeer, S. Sundararaman, K. Chandrashekhara and L. Dharani, “Physicochemical properties and fracture behavior of soy-based epoxy resins,” Journal of Applied Polymer Science, Vol. 105, Issue 2, pp. 656-663, 2007.

A. Shabeer, K. Chandrashekhara and T. Schuman, “Synthesis and characterization of soy-based nanocomposites,” Journal of Composite Materials, Vol. 41, Issue 15, pp. 1825-1849, 2007.

S. Sundararaman, A. Shabeer, K. Chandrashekhara and T. Schuman, “Impact Behavior of Pultruded Soy-Epoxy Composites,” Journal of Biobased Materials and Bioenergy, Vol. 2, Issue 1, pp. 71-77, 2008.

A. Shabeer, A. Garg, S. Sundararaman, K. Chandrashekhara, V. Flanigan and S. Kapila, “Dynamic Mechanical Characterization of Soy-based epoxy Resin System,” Proceedings of the SAMPE Conference, Long Beach, CA, pp. 1-10, May 16-20, 2004.

A. Shabeer, S. Sundararaman, K. Chandrashekhara and T. Schuman, “Manufacturing and Performance evaluation of soy-based nanocomposites,” Proceedings of the ACMA Conference, Saint Louis, MO October, 2006.

S. Sundararaman, A. Shabeer, A. Garg and K. Chandrashekhara, “Impact Characterization of Pultruded Soy-based Composites,” Proceedings of the SAMPE Conference, Long Beach, CA, pp. 1-10, May 1-5, 2005.

R. Yadav, A. Shabeer, R. Seemamahannop, K. Chandrashekhara, V. Flanigan and S. Kapila, “Thermal and Mechanical Characterization of Soy Protein Based Plastics,” Proceedings of the SAMPE Conference, Long Beach, CA, pp. 1-10, May 1-5, 2005.

R. Yadav, A. Shabeer, S. Sundararaman, K. Chandrashekhara, V. Flanigan and S. Kapila, “Development and Characterization of Soy-based Epoxy Foams,” Proceedings of the SAMPE Conference, Long Beach, CA, May, 2006.

A. Shabeer, Thomas P. Schuman, Meryss Kafka Duda and K. Chandrashekhara, “Soy Epoxy Nanoclay Composite Coatings,” Proceedings of the Thirty-Fourth Annual International Waterborne, High-Solids, and Powder Coatings Symposium, 34, pp. 301-314, New Orleans, LA February 14-16, 2007.

A. Shabeer, K. Chandrashekhara, T. Schuman, N. Phan and T. Nguyen, “Mechanical, Thermal and Flammability properties of pultruded soy-based nanocomposites,” Proceedings of the SAMPE Conference, Baltimore, MD, June, 2007.

H. Svetlik, D.B. Edwards and A. Shabeer, “Fracture Toughness Testing (K1C) of PE 4710 material,” Proceedings of the ANTEC Conference, Milwaukee, WI, May, 2008.

A. Shabeer, “Failure Analysis of a Plastic Slide valve Assembly,” Proceedings of the ANTEC Conference, Chicago, IL, June, 2009.

A. Shabeer, “Failure Analysis of a Plastic Electronic Housing,” Proceedings of the SAMPE Conference, Baltimore, MD, May 18-21, 2009.

A. Shabeer, and Gerard Minogue, “Failure Analysis of an Underground Sewer Pipe,” ANTEC Conference, Boston, MA, May 1-5, 2011.

A. Shabeer, and Gerald F. Zamiski, “Investigations of the Brittle Failure caused by an Environmental Stress Cracking of a Plastic Enclosure,” ANTEC Conference, Orlando, FL, April 2-4, 2012.

A. Shabeer, and Gerald F. Zamiski, “Failure of HDPE Butt Fusion Joint Due to Poor Manufacturing Practices,” ANTEC Conference, Cincinnati, OH, April 22-24, 2013.

C. Brignola, A. Shabeer, P. Guthorn and G. Zamiski, “Fracture Toughness of a Medical grade Ultra High Molecular Weight Polyethylene Using a Single Specimen Method,” ANTEC Conference, Cincinnati, OH, April 22-24, 2013.

Soy Epoxy Nanoclay Composite Coatings, Proceedings of the Thirty-Fourth Annual International Waterborne, High-Solids, and Powder Coatings Symposium, 34, pp. 301-314, New Orleans, LA, February 14-16, 2007.

PRESENTATIONS

Dynamic Mechanical Characterization of Soy-based Epoxy Resin System, SAMPE 2004 Technical Conference, Long Beach, CA, May 16-20, 2004.

Impact Behavior of Pultruded Soy-Epoxy Composites, SAMPE 2005 Technical Conference, Long Beach, CA, May 1-5, 2005.

Thermal and Mechanical Characterization of Soy Protein Based Plastics, Proceedings of the SAMPE Conference, Long Beach, CA, pp. 1-10, May 1-5, 2005.

Development and Characterization of Soy-based Epoxy Foams, Proceedings of the SAMPE Conference, Long Beach, CA, May, 2006.

Mechanical, Thermal and Flammability properties of pultruded soy-based nanocomposites, Proceedings of the SAMPE Conference, Baltimore, MD, June, 2007.

Plastics Failure Analysis, Thermoset Resin Formulators Associations, Chicago, IL, September, 2008.

Failure Analysis of a Plastic Slide Valve Assembly, ANTEC, Chicago, IL, June 2009.

Fatigue Crack Propagation Testing of Orthopedic Implant Materials, SAMPE Orange County Chapter, Anaheim, CA, April 2010.

Investigations of the Brittle Failure caused by an Environmental Stress Cracking of a Plastic Enclosure, ANTEC Conference, Orlando, FL, April 2-4, 2012.

Polymeric Composites from Renewable Resources, SAMPE Orange County Chapter, Anaheim, CA, April 2012.

Failure Analysis of Plastics, McGuire & Associates, Orange, CA, April 2012.

Failure Analysis of Plastics, ASM-ASCE Combo Meeting, Temecula, CA, August 2012.

Plastic Failures, Auto Club Meeting, Riverside, CA, October 2012.

Failure of HDPE Butt Fusion Joint Due to Poor Manufacturing Practices, ANTEC Conference, Cincinnati, OH, April 22-24, 2013.

PROFESSIONAL AFFILIATIONS

Society of Plastics Engineers

Board Member of Southern California SPE

SAMPE (Society of Advancement in Materials and Process Engineering)

ASM International

INVITED SPEAKER

Plastic Failure Analysis (SAMPE Orange County, June, 2009)

Fatigue Crack Growth Testing of Orthopedic Materials (SAMPE Orange County, April, 2010)

Polymeric Composites from Renewable Resources (SAMPE Orange County, April, 2012)