Avraham Benatar

Avraham Benatar

Associate Professor
Ph.D. in Mechanical Engineering, Massachusetts Institute of Technology
S.M. in Mechanical Engineering, Massachusetts Institute of Technology
S.B. in Mechanical Engineering, Massachusetts Institute of Technology

Avraham (Avi) Benatar is an Associate Professor of Welding Engineering and Director of the Plastics and Composites Joining Laboratory. He is also the Coordinator of the Welding Engineering Distance Education Master of Science program and the Faculty Director of the College of Engineering Master of Global Engineering Leadership. He earned the S.B., S.M. and Ph.D. degrees in Mechanical Engineering from the Massachusetts Institute of Technology.

Dr. Benatar teaches in the areas of joining of plastics and composites and welding design. His research interests include adhesive bonding and mechanical joining of plastics and composites, fundamentals of plastics and composites welding, optimization and control of welding processes, development of new welding methods, design of welded joints in plastics and composites including the use of moire and speckle interferometry for residual stress measurement, ultrasonic processing of materials, welding design, modeling of brazed joints, and fitness-for-service.

Dr. Benatar was elected Society of Plastics Engineers Fellow in 2003. He was awarded a Lady Davis Visiting Associate Professor Fellowship to the School of Mechanical Engineering at the Technion - Israel Institute of Technology in 1998-99 academic year. Dr. Benatar received the 1992 American Welding Society Adams Memorial Award and 1990 National Science Foundation Presidential Young Investigator Award. From 1997 to 2003 he was Chairman and U.S. Delegate to the International Institute for Welding Commission 16 on plastics welding and adhesive bonding technology. Dr. Benatar founded and was the first chairman of the American Welding Society G1 Committee on Joining of Plastics and Composites. He was also one of the founding members of and was Chairman and Technical Program Chairman of the Society of Plastics Engineers Special Interest Group on Joining of Plastics and Composites. He has more than 100 referred publications and has co-authored one book and co-edited a handbook. 

Book Chapters

2017

  • 2017. Plastics Joining. In Applied Plastics Engineering Handbook Processing, Materials, and Applications, edited by Kutz, M.,

2015

  • 2015. Composites. In Welding Handbook: Volume 5 Materials and Applications, Part 2, edited by O'Brien, A.; Sinnes, K.,
  • 2015. Plastics. In Welding Handbook: Volume 5 Materials and Applications, Part 2, edited by O'Brien, A.; Sinnes, K.,

2014

2003

1997

1996

  • 1996. "Composites." In Welding Handbook: Volume 3 Materials and Applications - Part 1, edited by Oates, W.R.,
  • 1996. "Plastics." In Welding Handbook: Volume 3 Materials and Applications - Part 1, edited by Oates, W.R.,

1994

  • 1994. "Joining of Polymers and Polymeric Composites." In The Encyclopedia of Advanced Materials, edited by Bloor, D.; Brook, R.J.; Flemings, M.C.; Mahajan, S.; Cahn, R.W.,

1993

1990

  • 1990. "Joining, Fusion (Welding) of Polymeric Composites." In International Encyclopedia of Composites, Volume 2, edited by Lee, S.M.,

1988

  • 1988. "Joining of Polymeric Composites." In The Manufacturing Science of Composites, edited by Gutowski, T.G.,

Journal Articles

2020

  • Zhang, D.; Yang, H.; Pan, J.; Lewis, B. et al., 2020, "Multi-functional CNT nanopaper polyurethane nanocomposite fabricated by ultrasonic infiltration and dip soaking processes." Composites Part B: Engineering 182,

2019

  • Zhang, D.; Villarreal, M.G.; Cabrera, E.; Benatar, A. et al., 2019, "Performance study of ultrasonic assisted processing of CNT nanopaper/solventless epoxy composite." Composites Part B: Engineering 159, 327-335 - 327-335.

2018

  • Sun, J.; Zhao, Y.; Yang, Z.; Shen, J. et al., 2018, "Highly stretchable and ultrathin nanopaper composites for epidermal strain sensors." Nanotechnology 29, no. 35,
  • Zhao, Y.; Cabrera, E.D.; Zhang, D.; Sun, J. et al., 2018, "Ultrasonic processing of MWCNT nanopaper reinforced polymeric nanocomposites." Polymer 156, 85-94 - 85-94.

2017

  • Fu, D.; Kuang, T.; Yen, Y.C.; Li, D. et al., 2017, "Polystyrene/multi-wall carbon nanotube composite and its foam assisted by ultrasound vibration." Journal of Cellular Plastics 53, no. 3, 273-285 - 273-285.
  • Riggs, B.; Benatar, A.; Alexandrov, B.T.; Xu, R., 2017, "Experimental Validation of Damage Zone Models for Lap-Shear Brazed Joints Using DIC." WELDING JOURNAL 96, no. 11, 421S-428S - 421S-428S.

2016

  • 2016, "Metallurgical characterisations of CMSX-4 vacuumbrazed with BNi-2 and BNi-9." Science and Technology of Welding and Joining DOI: 10.1080/13621718.2016.1218415,
  • Riggs, B.B.; Alexandrov, B.B.; Benatar, A.A.; Xu, R.R., 2016, "Thermodynamic and kinetic simulations of high temperature brazing: microstructure evolution in CMSX-4 joints." Science and Technology of Welding and Joining 1-10 - 1-10.
  • Sojiphan, K.; Babu, S.S.; Benatar, A.; Manonukul, A. et al., 2016, "Effects of ultrasonic power on the hardness of aluminum 3003-H18 alloy." Welding Journal 95, no. 6, 185s-193s - 185s-193s.

2015

  • Li, D.; Fu, D.; Yen, Y.C.; Benatar, A. et al., 2015, "Ultrasound-assisted-pressure-induced-flow leading to superior polymer/carbon nanotube composites and foams." Polymer (United Kingdom) 80, 237-244 - 237-244.

2014

  • Phillips, D.; Benatar, A.; Lippold, J.C., 2014, "Meeting the Demand for Welding Engineers." WELDING JOURNAL 93, no. 10, 52-58 - 52-58.

2012

  • Eckardt, T.; Hanhold, B.; Petrasek, D.; Sattler, S. et al., 2012, "Evaluating low-temperature brazing filler metals for joining titanium." Welding Journal 91, no. 2, 45-50 - 45-50.
  • He, X.; Benatar, A., 2012, "Determination of complex modulus of viscoelastic bars using forced longitudinal vibration of slender rods." Shengxue Xuebao/Acta Acustica 37, no. 2, 193-197 - 193-197.
  • Wu, C.Y.; Benatar, A.; Mokhtarzadeh, A., 2012, "Comparison of ultrasonic welding and vibration welding of thermoplastic polyolefin." Welding in the World 56, no. 1-2, 69-75 - 69-75.

2009

  • Grewell, D.A.; Benatar, A., 2009, "Comparison of orbital and linear vibration welding of thermoplastics." Polymer Engineering and Science 49, no. 7, 1410-1420 - 1410-1420.

2008

  • Grewell, D.; Benatar, A., 2008, "Semiempirical, squeeze flow, and intermolecular diffusion model. II. Model verification using laser microwelding." Polymer Engineering and Science 48, no. 8, 1542-1549 - 1542-1549.
  • Grewell, D.; Benatar, A., 2008, "Semi-empirical, squeeze flow and intermolecular diffusion model. I. determination of model parameters." Polymer Engineering and Science 48, no. 5, 860-867 - 860-867.

2007

  • Grewell, D.; Benatar, A., 2007, "Welding of Plastics: Fundamentals and New Developments." International Polymer Processing Journal of the Polymer Processing Society 22, no. 1, 43-60 - 43-60.
  • Lu,Chunmeng; Cheng,Mark,Ming-Cheng; Benatar,Avraham; Lee,L,James, 2007, "Embossing of High-Aspect-Ratio-Microstructures Using Sacrificial Templates and Fast Surface Heating." POLYMER ENGINEERING AND SCIENCE 47, no. 6, 830-840 - 830-840.
  • Grewell, D.; Benatar, A., 2007, "Diffractive optics as beam-shaping elements for plastics laser welding." Optical Engineering 46, no. 11,

2006

  • Li, L.; Yi, A.Y.; Huang, C.; Grewell, D.A. et al., 2006, "Fabrication of diffractive optics by use of slow tool servo diamond turning process." Optical Engineering 45, no. 11,
  • Yi, A.Y.; Chen, Y.; Klocke, F.; Pongs, G. et al., 2006, "A high volume precision compression molding process of glass diffractive optics by use of a micromachined fused silica wafer mold and low Tg optical glass." Journal of Micromechanics and Microengineering 16, no. 10, 2000-2005 - 2000-2005.

2005

  • Lu,C,M; Juang,Y,J; Lee,L,J; Grewell,D; Benatar,A, 2005, "Analysis of laser/IR-assisted microembossing." POLYMER ENGINEERING AND SCIENCE 45, no. 5, 661-668 - 661-668.

2003

  • Benatar, A.; Rittel, D.; Yarin, A.L., 2003, "Theoretical and experimental analysis of longitudinal wave propagation in cylindrical viscoelastic rods." Journal of the Mechanics and Physics of Solids 51, no. 8, 1413-1431 - 1413-1431.

1999

  • Staicovici, S.; Wu, C.Y.; Benatar, A., 1999, "Welding and disassembly of microwave welded HDPE bars." Journal of Reinforced Plastics and Composites 18, no. 1, 35-43 - 35-43.
  • Wu, C.Y.; Staicovici, S.; Benatar, A., 1999, "Microwave welding of HDPE using impedance matching system." Journal of Reinforced Plastics and Composites 18, no. 1, 27-34 - 27-34.

1997

  • Yeh, H.J.; Benatar, A., 1997, "Technical evaluation: Methods for sealing paper/foil aseptic food packages." Tappi Journal 80, no. 6, 197-203 - 197-203.
  • Wu, C.Y.; Benatar, A., 1997, "Microwave welding of high density polyethylene using intrinsically conductive polyaniline." Polymer Engineering and Science 37, no. 4, 738-743 - 738-743.
  • Du, G.; Avlyanov, J.; Wu, C. Y.; Reimer, K. G.; Benatar, A.; MacDiarmid, A. G.; Epstein, A. J., 1997, "Inhomogeneous charge transport in conducting polyaniline." Synthetic Metals 85, no. 1-3,

1989

  • Benatar, A.; Cheng, Z., 1989, "Ultrasonic welding of thermoplastics in the far‐field." POLYMER ENGINEERING AND SCIENCE 29, no. 23, 1699-1704 - 1699-1704.
  • Benatar, A.; Eswaran, R.V.; Nayar, S.K., 1989, "Ultrasonic welding of thermoplastics in the near‐field." POLYMER ENGINEERING AND SCIENCE 29, no. 23, 1689-1698 - 1689-1698.
  • Benatar, A.; Gutowski, T.G., 1989, "Ultrasonic welding of PEEK graphite APC‐2 composites." POLYMER ENGINEERING AND SCIENCE 29, no. 23, 1705-1721 - 1705-1721.
  • Benatar, A.; Gutowski, T.G., 1989, "Ultrasonic Welding of Advanced Thermoplastic Composites." Engineering Plastics 2, no. 1, 45-62 - 45-62.

1987

  • Benatar, A.; Gutowski, T.G., 1987, "REVIEW OF METHODS FOR FUSION BONDING THERMOPLASTIC COMPOSITES.." SAMPE Journal 23, no. 1, 33-39 - 33-39.

1986

  • Benatar, A.; Gutowski, T.G., 1986, "METHODS FOR FUSION BONDING THERMOPLASTIC COMPOSITES.." S.A.M.P.E. quarterly 18, no. 1, 35-42 - 35-42.
  • Benatar, A.; Gutowski, T.G., 1986, "Effects of moisture on interface modified graphite epoxy composites." Polymer Composites 7, no. 2, 84-90 - 84-90.