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John F. Mandell, Professor

Chemical and Biological Engineering Department, 327 Cobleigh Hall, ph: 406.994.4543

email: JohnM@coe.montana.edu

SPECIALTY AREAS

Composites, plastics, ceramics, fracture mechanics

EDUCATION

Ph.D. Massachusetts Institute of Technology, Cambridge, MA (1971), Materials
M.S. Case Western Reserve University, Cleveland, OH (1968), Engineering Mechanics
B.S. University of Massachusetts, Amerst, MA (1966), Civil Engineering


PROFESSIONAL EXPERIENCE

1988 - Pres. Professor, Montana State University
1981 - 1988 Principal Research Associate, Massachusetts Institute of Technology
1971 - 1981 Research Associate, Massachusetts Institute of Technology
1974 - Visiting Researcher, Swiss Federal Laboratories for Testing Materials and Research, Dubendorf, Switzerland
1971 - Pres. Consultant to various government agencies and companies

John Mandell is a member of six materials and engineering societies, is journal editorial board member and has over 100 technical publications. His research focus is on the mechanical properties of polymers and composites, with an emphasis on fatigue and fracture.

 

Publications

Samborsky, D.D, Wilson, T.J., and Mandell, J.F., "Comparison of Tensile Fatigue Resistance and Constant Life Diagrams for Several Potential Wind Turbine Blade Laminates," Journal of Solar Energy Engineering, Vol.131, Iss.1, February 2009

Samborsky, Daniel D., Sears, Aaron T., Mandell, John F. and Ole Kils, "Static and Fatigue Testing of Thick Adhesive Joints for Wind Turbine Blades," 2009 Wind Energy Symposium, Orlando, Florida  January 5-8, 2009

Samborsky, D.D, Agastra, P., and Mandell, J.F., "Effects of Glass Fabric and Laminate Construction on the Fatigue of Resin Infused Blade Materials," 2008 Wind Energy Symposium, January 2008, Reno, Nevada

Samborsky , D.D,  Wilson, T.J., Agastra, P., and Mandell, J.F., "Delamination at Thick Ply Drops in Carbon and Glass Fiber Laminates Under Fatigue Loading," Journal of Solar Energy Engineering, Special Issue on Wind Energy, ASME, Vol.130, August 2008, pp.1-8.

Samborsky , D.D,  Wilson, T.J., and Mandell, J.F., "Comparison of Tensile Fatigue Resistance and Constant Life Diagrams for Several Potential Wind Turbine Blade Laminates," 2007 Wind Energy Symposium, January 2007, Reno, Nevada.

Samborsky , D.D,  Wilson, T.J., Agastra, P., and Mandell, J.F., "Delamination at Thick Ply Drops in Carbon and Glass Fiber Laminates Under Fatigue Loading," 2006 Wind Energy Symposium, January 2006, Reno, Nevada.

Cairns, D.S., Ritter, W., Norris, P., Mandell, J., "A new Methodology for Wind Turbine Blade/Materials/Structural Characterization," 2004 ASME Wind Energy Symposium, ASME/AIAA., AIAA-2004-0175, pp. 64-75, (2004).

Mandell, J.F., Samborsky, D.D., Wang, L., and Wahl, N.K., "New Fatigue Data for Wind Turbine Blade Materials," Journal of Solar Energy Engineering, ASME, Vol. 125, No. 4, pp. 506-514. November 2003. (2003) [received the award for outstanding 2003 Wind Energy Journal Article]

Mandell, J.F., Cairns, D.S., Samborsky, D.D., Morehead, R.B., and Haugen,D.J., "Prediction of Delamination in Wind Turbine Blade Structural Details," Journal of Solar Energy Engineering, ASME, Vol. 125, No. 4, pp. 522-530. November 2003. (2003)

Mandell, J.F., Samborsky, D.D., Wahl, N.K., and Sutherland, H.J., "Testing and Analysis of Low Cost Composite Materials Under Spectrum Loading and High Cycle Fatigue Conditions," Proceedings of The 14th International Conference on Composite Materials (ICCM-14), Society of Manufacturing Engineers, San Diego, California, July 14 - 18, 2003. Paper 1811. (2003)

Mandell, J.F. Samborsky, D.D., and Wang, L., "Effects of Fiber Waviness on Composites for Wind Turbine Blades," Proceedings of the 48th International SAMPE Symposium, Vol. 48, SAMPE 2003, Long Beach, CA, May 11-15, 2003. pp. 2653 - 2678, ISBN 0-938-99494-8, (2003)

Mandell, J.F., Cairns, D.S., Samborsky, D.D., Morehead, R.B., and Haugen,D.J., "Prediction of Delamination in Wind Turbine Blade Structural Details," 2003 ASME Wind Energy Symposium, ASME/AIAA. AIAA-2003-0697, pp. 202-213. (2003) [received the outstanding conference paper award during the 22nd ASME Wind Energy Symposium]

Cairns, D.S., Mandell, J.F., and Samborsky, D.D., "Quantification of Processing Parameters for Wind Turbine Blades," 2003 ASME Wind Energy Symposium, ASME/AIAA. AIAA-2003-0694, pp. 180-190. (2003)

Mandell, J.F., Samborsky, D.D., Wang, L., and Wahl, N.K., "New Fatigue Data for Wind Turbine Blade Materials," 2003 ASME Wind Energy Symposium, ASME/AIAA. AIAA-2003-0692, pp. 167-179. (2003)

Mandell, J.F., Samborsky, D.D., and Cairns, D.S. "Fatigue of Composite Materials and Substructures for Wind Turbine Blades," Contractor Report SAND2002-0771, Sandia National Laboratories, Albuquerque, NM (2002). [http://infoserve.library.sandia.gov/sand_doc/2002/020771.pdf]

Wahl, N.K., Mandell, J.F., and Samborsky, D.D., "Spectrum Fatigue Lifetime and Residual Strength for Fiberglass Laminates," Contractor Report SAND2002-0546, Sandia National Laboratories, Albuquerque, NM (2002). [http://infoserve.library.sandia.gov/sand_doc/2002/020546.pdf]

Larsen, E.B., Cairns, D.S., Mandell, J.F., and Samborsky, D.D., "Investigation of a Two-Stage Resin Injection Process to Reduce Effects of In-Plane Resin Flow,"2002 ASME Wind Energy Symposium, ASME/AIAA, AIAA-2002-0026, pp.40-46. (2002)

Wahl, N.K., Samborsky, D.D., Mandell, J.F., and Cairns, D.S., "Effects of Modeling Assumptions on the Accuracy of Spectrum Fatigue Lifetime Predictions for a Fiberglass Laminate," 2002 ASME Wind Energy Symposium, ASME/AIAA, AIAA-2002-0023, pp.19-26. (2002)

Wahl, N.K., Samborsky, D.D., Mandell, J.F., and Cairns, D.S., "Spectrum Fatigue Lifetime and Residual Strength for Fiberglass Laminates in Tension," 2001 ASME Wind Energy Symposium, AIAA-2001-0025, ASME/AIAA (2001)

McKittrick, L.R, Cairns, D.S., Mandell, J.F., Combs, D.C., Rabern, D.A., and VanLuchene, D., "Analysis of a Composit Blade Design for the AOC 15/50 Wind Turbine Using a Finite Element Model" Contractor Report SAND2001-1441, Sandia National Laboratories, Albuquerque, NM (2001). [http://infoserve.library.sandia.gov/sand_doc/2001/011441.pdf]

Mandell, J.F., Samborsky, D.D., Li. Mei, Orozco, Ricardo, and Cairns, D.S., "Selection of Fiberglass Matrix Resins for Increased Toughness and Environmental Resistance in Wind Turbine Blades," 2000 ASME Wind Energy Symposium, AIAA-2000-0057, ASME/AIAA, pp. 375-382. (2000)

Cairns, D., Mandell, J.F., Sears, A., and McKittrick, L., "Design Considerations for Buckling in Composite Wind Turbine Blades," 2000 ASME Wind Energy Symposium, AIAA-2000-0059, ASME/AIAA, pp. 354-366. (2000)

Cairns D.S., Humbert D.R., and Mandell J.F., "Resin Transfer Molding of Composite Materials with Oriented Unidirectional Plies" Composites Part A: Applied Science and Manufacturing, Volume 30, Number 3, March 1999, pp. 375-383(9)

Mandell, J.F., Samborsky, D.D., Sutherland, H.J., "Effects of Materials Parameters and Design Details on the Fatigue of Composite Materials for Wind Turbine Blades," 1999 European Wind Energy Conference, 1-5 March 1999, Nice, France, pp. 628-633. (1999) [www.sandia.gov/Renewable_Energy/wind_energy/other/EWEC99-1.pdf]

Samborsky, D. D., Mandell, J. F., and Cairns, D. S, "Selection of Reinforcing Fabrics for Wind Turbine Blades," 1999 ASME Wind Energy Symposium, AIAA-99-0024, ASME/AIAA, pp. 32-42. (1999).

Cairns, D. S, McKittrick, L., Combs, D., Mandell, J.F., Rabern, D., and VanLuchene, R., "Design/Manufacturing Synthesis of Composite Blades for the AOC 15/50 Wind Turbine," 1999 ASME Wind Energy Symposium, AIAA-99-0027, ASME/AIAA, pp. 58-65. (1999).

Mandell, J. F., Samborsky, D. D., Scott, M.E., and Cairns, D. S, "Effects of Structural Details on Delamination and fatigue Life of Fiberglass Laminates," 1998 ASME Wind Energy Symposium, ASME/AIAA, pp. 323 - 327. (1998). [awarded best wind energy conference paper for 1998]

Mandell, J. F., Samborsky, D. D., Combs, D.W., Scott, M.E., and Cairns, D. S, "Fatigue of Composite Material Beam Elements Representative of Wind Turbine Blade Substructure," NREL Contractor Report SR-500-24379, November 1998. [http://www.nrel.gov/docs/fy99osti/24379.pdf]

Cairns, D. S., Haugen, D. J., Mandell, J. F., and Samborsky, D. D., "Fracture of Skin/Stiffener Intersections in Composite Wind Turbine Structures," 1998 ASME Wind Energy Symposium, ASME/AIAA, pp. 334 - 343. (1998).

Mandell, J.F., and D.D. Samborsky, "DOE/MSU Composite Material Fatigue Database: Test Methods, Materials, and Analysis," Contractor Report SAND97-3002, Sandia National Laboratories, Albuquerque, NM (1997). [infoserve.library.sandia.gov/sand_doc/1997/973002.pdf]

Mandell, J.F., Samborsky, D.D., and Cairns, D.S., "Advanced Wind Turbine Blade Structure Development Program at Montana State University," 1997 ASME Wind Energy Symposium, ASME/AIAA, 189-196 (1997).

Samborsky, D.D, and Mandell, J.F., "Fatigue Resistant Fiberglass Laminates for Wind Turbine Blades," 1996 ASME Wind Energy Symposium, ASME, pp. 46-51 (1996).

Cairns, D., Mandell, J.F., Scott, M., and Macagnano, J., "Design Considerations for Ply Drops in Composite Wind Turbine Blades," 1997 ASME Wind Energy Symposium, ASME, pp. 197 - 208 (1997).

Sutherland, H.J., and Mandell, J.F., "Application of the U.S. High Cycle Fatigue Data Base to Wind Turbine Blade Lifetime Predictions" 1996 ASME Wind Energy Symposium, ASME, 1996, pp. 85-92. [http://www.sandia.gov/Renewable_Energy/wind_energy/asme/ASME1-96p85.pdf]

Mandell, J.F.; Samborsky, D.D., "MSU/DOE Wind Turbine Blade Composite Material Fatigue Database," National Laboratories, Albuquerque, NM, 87185, November 1995, yearly updates available at Sandia website. [www.Sandia.gov/Renewable_Energy/wind_energy/homepage.html]

Mandell, J.F., Combs, D.E., and Samborsky, D.D., "Fatigue of Fiberglass Beam Substructures," 1995 ASME Wind Energy Symposium, W.D. Musial, S.M. Hock, and D.E. Berg, Eds., SED-Vol. 16, ASME, 99 - 106 (1995).

Mandell, J.F., Creed, R.F., Pan, Q., Combs, D.W., and Shrinivas, M., "Fatigue of Fiberglass Generic Materials and Substructures," 1994 ASME Wind Energy Symposium, W.D. Musial, S.M. Hock, and D.E. Berg, Eds., SED-Vol. 15, ASME, 207 - 214 (1994).

Mandell, J.F., Reed, R.M. Jr., Samborsky, D.D., and Pan, Q., "Fatigue Performance of Wind Turbine Blade Materials," in SED-Vol 14, Wind Energy 93, S. Hock, ed., ASME, New York, 191-198. (1993).

Mandell, J.F., Reed, R.M., and Samborsky, D.D., "High Cycle Fatigue of Wind Turbine Blade Materials," in SED-Vol 12, Wind Energy 92, P.S. Veers, S.M. Hock, eds., ASME, New York, p. 105 (1992).

Mandell, J.F., Reed, R.M. Jr. and Samborsky, D.D., "Fatigue of Fiberglass Wind Turbine Blade Materials," Contractor Report SAND92-7005, Sandia National Laboratories, Albuquerque, NM (1992). [http://infoserve.library.sandia.gov/sand_doc/1992/927005.pdf]

Hsieh, A.J. Schneider, N.S., and Mandell J.F., "Solvent Stress Cracking and Failure Mechanisms in Polyetherimide Composites," Polymer Composites, Vol II, No 4, 1990.

Mandell, J.F., Grande, D.H., and. Dannemann, K.A,"High Temperature Testing of Glass/Ceramic Composites," Test Methods and Design Allowables for Fibrous Composites: Second Volume, ASTM STP 1003, C.C. Chamis, Ed, ASTM, 1989, p.3.

Grande, D.H., Mandell, J.F. and. Hong, K.C.C, "Fiber/Matrix Bond Strength Studies of Glass, Ceramic and Metal Matrix Composites," Journal of Materials Science, 23, 311, 1988.

Hsieh, A.J. and Mandell, J.F., "Environment Enhanced Delamination Crack Growth of Adhesively Bonded Polyetherimide Matrix Composites," Proc. Symposium on Aerospace Applications of Polymer Materials, American Chemical Society, Fall Meeting, Los Angeles (1988).

Mandell, J.F., Hong, K.C.C, and Grande, D.H., "Interfacial Shear Strength and Sliding Resistance in Metal and Glass-Ceramic Matrix Composites," 11th Annual Conference, Engineering Ceramics Division, American Ceramic Society, Coco Beach, Fla. (1987)

Mandell, J.F., "Tensile Behavior of Glass/Ceramic Composite Materials at Elevated Temperature," Gas Turbine Conference and Exhibit, ASME, 1987.

Mandell, J.F., "Tensile Behavior of Glass/Ceramic Composite Materials at Elevated Temperatures," Journal Engr. Gas Turbine and Power, Trans. ASME, 109, 267, 1987.

Mandell, J.F., "Fracture Toughness and Crack Instability in Tough Polymers Under Plane Strain

Conditions, Polymer Engineering and Science, 27, 1128, 1987.

"Fatigue and Environmental Resistance of Polyester and Nylon Fibers," (J.F. Mandell, M.G. Steckel, S.S. Chung, and M.C. Kenney) Polymer Engineering and Science, 27, 1121, 1987.

Mandell, J.F., "Modeling of Marine Rope Fatigue Behavior," Textile Research Journal, 57, 318, 1987.

Mandell, J.F., "Fatigue Behavior of Short Fiber Composite Materials," The Fatigue Behavior of Composite Materials, K.L. Reifsnider, Ed., Elsevier, Ch. 7, 1991.

Lee, L.H., Mandell J.F., and McGarry, F.J., "Multiple Crazing at Crack Tips in PVC Under Plane Strain Conditions," Polymer Engineering and Science 26, 626, 1986.

Mandell, J.F., Grande, D.H., Tsiang, T.H., and McGarry, F.J., "A Modified Microdebonding Test for Direct In-Situ Fiber/Matrix Bond Strength in Fiber Composites," in Composite Materials: Testing and Design, Seventh Conference, ASTM STP 893, American Society for Testing and Materials, 1986, p. 87.

Kawamoto, J., McGarry, F.J., and Mandell, J.F., "Impact Resistance of Rubber Modified Carbon Fiber Composite," Proc. Advanced Composites Conference (ASM), Dearborn, Mich., December 1985.

Mandell, J.F., Grande, D.H., and Edwards, B., "Test Method Development for Structural Characterization of Fiber Composites at High Temperatures," 9th Annual Conference on Composites and Advanced Ceramic Materials, Cocoa Beach, Florida, January 1985.

Mandell, J.F., McGarry, F.J., Y. Hsieh A.J. and Li, C.G., "Tensile Fatigue of Glass Fibers and Composites with Conventional and Surface Compressed Fibers," in Proc. 40th Annual Conference Reinforced Plastics/Composites Institute, SPI, Paper 7-G. 1985.

McGarry, F.J., Mandell, J.F., and Lee L.H., "Brittle Fracture of PVC Pipe Material,", J. Polymer Science: Polymer Symposium 72, 83, 1985.

Mandell, J.F., McGarry, F.J., Y. Hsieh, A.J., and Li, C.H., "Test Method Development for Structural Characterization of Fiber Composites at High Temperatures," Polymer Composites, 6, 168, 1985.

Kenney, M.C., Mandell, J.F. and McGarry, F.J., "The Effects of Sea Water and Concentrated Salt Solutions on the Fatigue of Nylon 6, 6 Fiber," , Journal of Materials Science 20, 2060, 1985.

Kenney, M.C., Mandell, J.F. and McGarry, F.J., "Fatigue behavior of Synthetic Fibers, Yarns and Ropes," Journal of Materials Science 20, 2045, 1985.

Tsiang, T.H. and Mandell, J.F., "Bearing/Contact for Anisotropic Materials,", AIAA Journal 23, 1273, 1985.

Tsiang, T.H. and Mandell, J.F., "Damage Development in Bolt Bearing of Composite Laminates," AIAA Journal 23, 1570, 1985.

Mandell, J.F., Chevaillier, J.P.-F., "Craze Initiation, Crack Growth and Lifetime Trends in Fatigue of PVC," Polymer Engineering and Science 25, 170, 1985.

Meier, U., Kuster, J., and Mandell, J.F., "Stress Relaxation of NR and NBR: Comparison of Measured Data With Reduced Variables Estimates", Rubber Chemistry and Technology, 57, p. 254, 1984.

Mandell, J.F., McGarry, F.J., and Li, C.G., "Fatigue Crack Growth and Lifetime Trends in Injection Molded Reinforced Thermoplastics," in High Modulus Fiber Composites in Ground Transportation and High Volume Applications, ASTM STP 873, American Society for Testing and Materials, 1985, p. 36.

Orringer, O., Knadle, K.T., and Mandell, J.F., "Crash Padding Mechanical Properties and Impact Response Analysis," in Proc. SAE Government/Industry Conference, Washington, D.C., May 1984.

Tsiang, T.H., and Mandell, J.F., "Damage Development in Bolt Bearing of Composite Laminates," AIAA/ASME/AHS 25th Structures, Structural Dynamics and Materials Conference, Palm Springs, CA, May 1984.

Mandell, J.F., Roberts, D.R., and McGarry,F.J., "Plane Strain Fracture Toughness of Polyethylene Pipe Materials," Polymer Engineering and Science 23, p. 404, 1983.

Mandell, J.F., and Meier, U., "Effects of Stress Ratio, Frequency, and Loading Time on the Tensile Fatigue of Glass Reinforced Plastics," in Long Term Behavior of Composites, ASTM STP 813, T.K. O'Brien, ed., ASTM, p. 55 1983.

Mandell, J.F., Darwish, A.Y., and McGarry, F.J., "Effects of Processing Conditions and Aging on the Fracture Toughness of Rigid PVC Pipe Materials," Journal Vinyl Technology, 4, p. 95, 1982.

Darwish, A.Y., Mandell, J.F., and McGarry, F.J., "Effects of Composition and Extrusion Temperature on the Fracture Behavior of Rigid PVC Pipe Materials," Proc. Second Mechanical Design and Production Conference, Cairo, Egypt, 1982.

Mandell, J.F., McGarry, F.J., Huang, D.D.,and Li, C.G., "Some Effects of Matrix and Interface Properties on the Fatigue of Short Fiber Reinforced Thermoplastics," Proc 36th Annual Conference Reinf. Plastic/Composites, SPI, 1982 Paper 23-C.

Mandell, J.F., Darwish, A.Y., McGarry, F.J., "Time and Temperature Effects on the Fracture Toughness of Rigid Poly (vinyl chloride) Pipe Materials," Polymer Engineering and Science, 22, p. 826, 1982.

Mandell, J.F., and Lee, B.L., "Matrix Cracking in Short Fiber Reinforced Composites Under Static and Fatigue Loading," Composite Materials: Testing and Design (Sixth Conference), STP 787, ASTM, p. 200, 1982.

Mandell, J.F., "Fatigue Behavior of Fiber-Resin Composites," in Developments in Reinforced Plastics - 2, G. Pritchard, ed., Applied Science Publishers, London, p. 67, 1982.

Mandell, J.F., Huang, D.D., and McGarry, F.J., "Crack Propagation Modes in Injection Molded Fiber Reinforced Thermoplastics," in Short Fiber Reinforced Composite Materials, ASTM STP 772, ASTM, Philadelphia, p. 3, 1982.

Mandell, J.F., Huang, D.D., and McGarry, F.J., "Tensile Fatigue Performance of Glass Fiber Dominated Composites," Proc. 36th SPI Annual Conference, RP/C Inst., Feb. 1981.

Wang, S.S., McGarry, F.J., and Mandell, J.F., "Fracture of Adhesive Joints," Polymer Composites, 2, p. 205, 1981.

Mandell, J.F., Smith, K.l., and Huang, D.D., "Effects of Residual Stress and Orientation on the Fatigue of Injection Molded Polysulfone," Polymer Engineering and Science,, 21, p. 1173, 1981.

Mandell, J.F., Huang, D.D., and McGarry, F.J., "Tensile Fatigue Performance of Glass Fiber Dominated Composites," Composites Technology Review, 3 p. 96, 1981.

Darwish, A.Y., Mandell, J.F., and McGarry,F.J., "Applicability of Linear Elastic Fracture Mechanics to Rigid PVC Pipe Materials," SPE ANTEC, Boston, May 1981.

Mandell, J.F., Huang, D.D., and McGarry, F.J., "Fatigue of Glass and Carbon Fiber Reinforced Thermoplastics," Polymer Composites, 2, p. 137, 1981.

Mandell, J.F., Darwish, A.Y., and McGarry, F.J., "Fracture Testing of Injection Molded Glass and Carbon Fiber Reinforced Thermoplastics," in Test Methods and Design Allowables of Fibrous Composites, ASTM STP 734, C.C. Chamis, ed., ASTM, Philadelphia, p. 73, 1981. STP 734,

Flueler, P., Roberts, D., Mandell, J.F., and McGarry, F.J., "Fracture Toughness Testing of Plastic Pipes," ASTM STP 736, Physical Testing of Plastics, ASTM, Philadelphia, PA p. 15, 1981.

Mandell, J.F., "Fatigue Crack Growth in Fiber Reinforced Plastics" Polymer Composites, 2, p. 22, 1981.

Mandell, J.F., Chen, J.H., and McGarry, F.J., "A Microdebonding Test for In-Situ Fiber-Matrix Bond Strength and Moisture Effects," Int. Journal Adhesion and Adhesives, 1, p. 40, 1980.

Mandell, J.F., Chen, J.H., and McGarry, F.J., "A Microdebonding Test for In-Situ Fiber-Matrix Bond Strength and Moisture Effects," 35th Annual Conference, Reinforced Plastics Composites Institute, Society of the Plastics Industry, February, 1980, New Orleans, LA, Paper 26-d.

Mandell, J.F., Huang, D.D., and McGarry, F.J., "Fatigue of Glass and Carbon Fiber Reinforced Thermoplastics," 35th Annual Conference Reinforced Plastics/Composites Institute, New Orleans, LA, Society of the Plastics Industry, February, 1980

Mandell, J.F., "Fatigue Crack Growth in Fiber Reinforced Plastics,", 34th Annual Conference Reinforced Plastics/Composites, SPI, January 1979, New Orleans, LA,

Conners, J.D., Mandell, J.F., and McGarry, F.J., "Compressive Fatigue in Glass and Graphite Reinforced Composites," 34th Annual Conference Reinforced Plastics/Composites, Society of the Plastics Industry, January 1979, New Orleans, LA, paper 4-A.

Tetlow, P.D., Mandell, J.F., and McGarry, F.J., "Effects of Rubber Additions on the Fracture Toughness of a Polyester Resin," 34th Annual Conference Reinforced Plastics/Composites, Society of the Plastics Industry, January 1979, New Orleans, LA, paper 23-F.

Gracewski, A.S., Mandell, J.F., and McGarry, F.J., "Factors Affecting the Impact Resistance of SMC Materials,", 34th Annual Conference Reinforced Plastics/Composites, SPI, January 1979, New Orleans, LA, paper 23-D.

Mandell, J.F., "Origin of Moisture Effects on Crack Propagation in Composites," Polymer Engineering Science, 19, o, 353, 1979.

Wang, S.S., Mandell, J.F., and McGarry, F.J., "An Analysis of the Crack Tip Stress Field in DCB Adhesive Fracture Specimens," International Journal of Fracture, Vol. 14, 1978.

McGarry, F.J., Mandell, J.F., and Wang, S.S., "Fracture of Adhesive Joints," Proc., 36th ANTEC, Society of Plastics Engineers, April, 1978, Washington, D.C., p. 311.

Wang, S.S., Mandell, J.F., and McGarry, F.J., "A Multilayer Hybrid-Stress Finite Element Analysis of a Through-Thickness Edge Crack in a ±45^o Laminate," Engineering Fracture Mechanics, Vol. 9. p. 217, 1977.

Mandell, J.F., "Crack Propagation and Fracture of Composites," Proc. 14th Society; of Engineering Sciences, Lehigh University, 1977.

Mandell, J.F., Im, J., and McGarry, F.J., "The Extension of Surface and Embedded Cracks in Fiber Reinforced Plastics," 32nd Annual Conference, Reinforced Plastics/Composites Institute, Society of the Plastics Industry, 1977.

Mandell, J.F., McGarry, F.J., and Wang, S.S., "Fracture of Fiber Reinforced Composites," Polymer Science and Engineering, Vol. 16, p. 609, 1976.

Mandell, J.F., and Meier, U., "Die Rissfortpfanzug unter Ermudungs-beanspruchung in einem GFK-Kreuzrerbund-

Laminat," Material and Technic, Vol. 4, 1976.

Mandell, J.F., McGarry, F.J., Barton, W.D., and Demchick, R.P., "Effect of Water on the Crack Propagation Rate in Fiberglass Laminates Under Static and Dynamic Loading," Proc. 31 Annual Technical Conference, Reinforced Plastics/Composites Institute, The Society of the Plastics Industry, Inc., Washington, D.C. 1976.

Wang, S.S., Mandell, J.F., and McGarry, F.J., "Three-Dimensional Solution for a through-Thickness Crack in a Crossplied Laminate, " Fracture Mechanics of Composites, ASTM STP 593, American Society for Testing and Materials, 1975.

Mandell, J.F., Wang, S.S., and McGarry, F.J., "The Extension of Crack Tip Damage Zones in Fiber Reinforced Plastics Laminates," Journal Composite Materials, Vol. 9, P. 266, 1975.

Mandell, J.F., "Fatigue Crack Propagation Rates in Woven and Nonwoven Fiber Glass Laminates," in Composite Reliability, ASTM STP 580, American Society for Testing and Materials, 1975.

Mandell, J.F., and Meier, U., "Fatigue Crack Propagation in 00/900 E-Glass/Epoxy Composites,"

Fatigue of Composites Materials, ASTM STP 569, American Society for Testing and Materials, 1975.

Mandell, J.F., McGarry, F.J., and Wang, S.S., "Fracture of Fiber Reinforced Composites," Proc. 33rd ANTEC, Society of Plastics Engineers, 1975.

Mandell, J.F., McGarry, F.J., Wang, S.S., and Im, J., "Stress Intensity Factors for Anisotropic Fracture Test Specimens of Several Geometries, Journal Composite Materials, Vol. 8, p. 105, 1974.

Mandell, J.F., McGarry, F.J, Im, J., and Meier,U., "Fiber Orientation, Crack Velocity, and Cyclic Loading Effects On The Mode of Crack Extension in Fiber Reinforced Plastics," in Failure Modes in Composites II, The Metallurgical Society of AIME, 1974.

Mandell, J.F., McGarry, F.J. Kashihara, R., and Bishop, W.R., "Engineering Aspects of Fracture Toughness: Fiber Reinforced Laminates," 29th Annual Technical Conference, Reinforced Plastics/Composites Institute, The Society of the Plastics Industry, Inc., Washington, D.C., 1974, paper 17-D.

Mandell, J.F., McKenna, G.B., and McGarry F.J., "Interlaminar Strength and Toughness of Fiberglass Laminates," 29th Annual Technical Conference, Reinforced Plastics/Composites Institute, The Society of the Plastics Industry, Inc., Washington, D.C., 1974, paper 13-C.

McGarry, F.J., and Mandell, J.F., "Fracture Toughness Studies of Fiber Reinforced Plastic Laminates," Special Discussion of Solid-Solid Interfaces, The Chemical Society, Farady Division, Nottingham, England, 1972.

McGarry, F.J., and Mandell, J.F., "Fracture Toughness of Fibrous Glass Reinforced Plastics Composites," 27th Annual Technical Conference, Reinforced Plastics/Composites Institute, The Society of the Plastics Industry, Inc; Washington, D.C., 1972.

McGarry, F.J., and Mandell, J.F., "Fracture Toughness of Fiber Reinforced Composites," A.C.S Symposium of Chemistry of Fibers and Matrices of High performance Composites, LOs Angeles, CA, 1971.

McGarry, F.J., and Mandell, J.F., "Fracture Mechanisms in a Composite Model," 25^th Annual Technical Conference, Reinforced Plastics/Composites Division, SPI, 1970.

Kicher, T.P., and Mandell, J.F., "An Experimental Study of the Buckling of Anisotropic Plates," 10th ASME/AIAA Structures, Structural Dynamics and Materials Conference, New Orleans, LA, 1969.

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