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Composite Technologies Research Group

                                                        

Current news and new reports:

3-D Static Elastic Constants and Strength Properties of a Glass/Epoxy Unidirectional Laminate [PDF file]

 

Mandell, J.F., Samborsky, D.D., Agastra, P., Sears, A.T., and Wilson, T.J., "Analysis of SNL/MSU/DOE Fatigue Database Trends for Wind Turbine Blade Materials," Contractor Report SAND2010-7052, Sandia National Laboratories, Albuquerque, NM (2010). [PDF file]

Two movies which go with the 2010 report:     Movie1 for Figure 28     Movie2 for Figure 84

 

The current SNL/MSU/DOE Composite Material Fatigue Database can be downloaded from:

SNL/MSU/DOE March 2011 Composite Material Database, Version 20.0 [Excel format]

 

RECENT PUBLICATIONS AND PRESENTATIONS

"The SNL/MSU/DOE Fatigue of Composite Materials Database: Recent Trends," J. Mandell, D. Samborsky, and D. Miller, 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics,and Materials Conference, 23–26 April 2012, Honolulu, Hawaii, AIAA-2012-1573
"Performance of Composite Materials Subjected to Salt Water Environments," D. Miller, J. Mandell, and D. Samborsky,53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics,and Materials Conference, 23–26 April 2012, Honolulu, Hawaii, AIAA-2012-1575.
"Effects of Defects: Part A—Development of a Protocol for Defect Risk Management & Improved Reliability of Composite Structures," T. Riddle, D. Cairns, and J. Nelson, 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics,and Materials Conference, 23–26 April 2012, Honolulu, Hawaii, AIAA-2012-1420
"Effects of Defects: Part B—Progressive Damage Modeling of Fiberglass/Epoxy Composite Structures with Manufacturing Induced Flaws," J. Nelson, T. Riddle, D. Cairns, J. Workman, 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics,and Materials Conference, 23–26 April 2012, Honolulu, Hawaii, AIAA-2012-1421

MCARE 2012 Presentation, "Fatigue of Wind Blade Laminates: Effects of Resin and Fabric Structure Details", David Miller, Daniel D. Samborsky and John F. Mandell.

MCARE 2012 Presentation “Degradation of Mechanical Properties in Composite Materials Subjected to Salt Water Environments”, David Miller, John Mandell, Dan Samborsky, Angela DiFronzo

"Manufacturing Defects Common to Composite Wind Turbine Blades: Effects of Defects," J.Nelson, D. Cairns, and T. Riddle,52th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference 2011, Denver, Co, 4-7 April 2011, AIAA-2011-1756

"Characterization of Manufacturing Defects Common to Composite Wind Turbine Blades: Flaw Characterization," T. Riddle, D. Cairns and J. Nelson,52th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference 2011, Denver, Co, 4-7 April 2011, AIAA-2011-1758

"Mixed Mode Static and Fatigue Crack Growth in Wind Blade Paste Adhesives," Samborsky, D.D., Sears, A.T., Agastra P. and Mandell, J.F. ,Department of Chemical and Biological Engineering, Montana State University, Bozeman, MT, 59717, USA. AIAA-2011-1755. Presented at AIAA-SDM 2011, Denver, April 2011.

Presentation at SNL Blade Workshop July 2010

"Fatigue Trends for Wind Blade Infusion Resins and Fabrics", Samborsky, D.D., Agastra, P., and Mandell, J.F., 2010 AIAA SDM, Orlando, Wind Energy Session, AIAA-2010-2820

"Fatigue Results and Analysis for Thick Adhesive Notched Lap Shear Test", Sears, A.T., Samborsky, D.D., Agastra, P., and Mandell, J.F., 2010 AIAA SDM, Orlando, Wind Energy Session, AIAA-2010-2821.

SAMPE 2010, Seattle, Paper 398, Agastra, P. and  Mandell, J. F., "Testing and Simulation of Damage Growth at Ply Drops in Wind Turbine Blade Laminates", SAMPE 2010, May 2010, Seattle, Paper 398. [PDF FILE]

ACerS Cocoa Beach Presentation, 2-24-2010

2009 AIAA SDM Wind Energy Special Session, "Fatigue Resistance of Fiberglass Laminates at Thick Material Transitions," Agastra, P., Samborsky, D.D., and Mandell, J.F., Palm Springs, May 2009, paper AIAA-2009-2411.

AIAA/ASME 2009 paper, "Static and Fatigue Testing of Thick Adhesive Joints for Wind Turbine Blades," Daniel D. Samborsky, Aaron T. Sears and John F. Mandell and Ole Kils, 2009 Wind Energy Symposium, Orlando, Florida  January 5-8, 2009, AIAA-2009-1550.

SAMPE 2008 paper "Composite Materials Fatigue Issues in Wind Turbine Blade Construction,"John F. Mandell, Daniel D. Samborsky, and Pancasatya Agastra, SAMPE 2008, Long Beach, May 18-22, 2008.

AIAA/ASME 2008 paper "Effects of Glass Fabric and Laminate Construction on the Fatigue of Resin Infused Blade Materials," Daniel D. Samborsky, Pancasatya Agastra and John F. Mandell, 2008 Wind Energy Symposium, January 10, 2008, Reno, Nevada. AIAA-2008-1346.

AIAA/ASME 2007 paper "Comparison of  Tensile Fatigue Resistance and Constant Life Diagrams for Several Potential Wind Turbine Blade Laminates," Daniel D. Samborsky, Timothy J. Wilson and John F. Mandell, 2007 Wind Energy Symposium, January 8-11, 2007,Reno, Nevada. AIAA-2007-820.

JSEE 2008 paper - "Delamination at Thick Ply Drops in Carbon and Glass Fiber Laminates Under Fatigue Loading," Daniel D. Samborsky , Timothy J. Wilson, Pancasatya Agastra and John F, Mandell, Journal of Solar Energy Engineering , Vol.130, No.3, 2008

2002 Contractor Report: Sandia report SAND2002-0771

"Fatigue of Composite Materials and Structures for Wind Turbine Blades"

 

other published papers and reports are listed under Publications

 

 

Composites Group Mailing Address

MONTANA STATE UNIVERSITY - BOZEMAN

CHEMICAL AND BIOLOGICAL ENGINEERING DEPARTMENT

306 Cobleigh Hall

Bozeman, Montana  59717-3920

 

Composites Group main office number  (406) 994-3597

Chemical and Biological Engineering office number  (406) 994-2221

 

Map to MSU - Bozeman and the Composites Group

 

 

updated 05/16/2012 02:49 PM

Web page problems/ comments: contact Daniel Samborsky at  

 

Keywords: composites, mechanical fatigue, fiberglass, carbon fiber, hybrid composites, unidirectional composites, angle ply composite, mixed mode fracture, fracture toughness, tensile fatigue, compressive, reversed loading, static fatigue, sub-critical crack growth, composite structures, composite beams, wind turbine blades, giga-cycle fatigue, MSU Composite Group

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