Douglas W. Coffin

Professor

Paper & Chemical Engineering

Office Address: 64N Engineering Building, Miami University, Oxford, Ohio 45056

OFFICE PHONE: (513) 529-0771

E-MAIL ADDRESS: coffindw @ muohio.edu

EDUCATION:

Ph.D - Mechanical Engineering, University of Delaware - 1993

M.S. - Civil Engineering, University of Delaware - 1989

B.S. - Civil Engineering, University of Delaware - 1987

ACADEMIC EXPERIENCE:

Professor, Miami University, 2008- present

Associate Professor, Miami University, 2002 - 2008

Associate Professor of Engineering and Unit Leader Paper Physics, IPST, 2000-2002

Assistant Professor of Engineering, IPST, 1994 - 2000

Graduate Research Assistant, Center for Composite Materials, University of Delaware, 1990-1993

CONSULTING/PROFESSIONAL EXPERIENCE:

Senior Engineer, General Dynamics, Electric Boat Division, Nuclear Engineering Analysis, 1993-1994

Engineer, General Dynamics, Electric Boat Division, Nuclear Engineerin Analysis, 1989 - 1990

Associate Engineer, Electric Boat Division, Nuclear Engineerin Analysis, 1989

HONORS:

Van den Akker Prize for Advances in Paper Physics (2001)

IPST President's Award for Fundamental Science (1999)

Gunnar Nicholson Scholarship for Sabbatical in Sweden (1999)

Nominated for Teacher of the Year (1999) KODAK Gift/Grant (1998)
CCM Technical Poster Award (1993) ICI Fellowship (1990)

Davis Fellowship (1987)
Graduated Cum Laude (1987)

Civil Engineering Alumni Award (1987)
Science and Engineering Scholar (1986)

Phi Kappa Phi (National Honor Society)

Mortar Board (National Honor Society)

Tau Beta Pi (National Engineering Honor Society)

Chi Epsilon, vice president 1987 (National Civil Engineering Honor Society)

PUBLICATIONS AND PAPERS:

Book:

• F. Bloom and D. W. Coffin, Handbook of Thin Plate Buckling and Postbuckling,
  Chapman & Hall/CRC, Boca Raton Florida, 2001.

Book Chapters:

• Coffin, D. W., L.A. Carlsson and R. B. Pipes, "On the Separation of Carbon Nanotubes", Submitted to Composites Science and Technology, special edition edited by R. Ruoff, 2004

• Coffin, D. W., Lif, J. O., Fellers, C., "Tensile and ultrasonic stiffnes of paper at different moisture - A clarification of the differences", Nordic Pulp and Paper Research Journal, 19 (2): 257-263, 2004.

• Vorakunpinij, A., Coffin, D. W., Habeger, C. C., "A new device for measuring tensile and compressive creep in paper", Experimental Techniques, 28(3): 43-48, 2004.

• D. W. Coffin and C. Fellers, "Paper: Creep," Encyclopedia of Materials: Science
  and Technology, Elsevier Science, England, September 2001.

• D. W. Coffin and C. Fellers, "Paper: Strength and Stiffness," Encyclopedia of
  Materials: Science and Technology, Elsevier Science, England, September 2001.

• D. W. Coffin "Elastic Properties of Paper, " Handbook of Elastic Properties, edited by H. E. Bass, M. Levy, D. Stem, Volume III, Chapter 4, Academic Press, 2001.

• R. B. Pipes, D. W. Coffin, P. Simacek, S. F. Shuler, and R. K. Okine, "Rheological
  Behavior of Collimated Fiber Thermoplastic Composite Materials," Flow Phenomena in Polymer Composites, edited by S. G. Advani, Elsevier, Amsterdam, 1994.

Refereed Journal Publications:

• D.W. Coffin, L. A. Carlsson and R. B. Pipes, "On the Separation of Carbon Nanotubes, " Composite Science and Technology, 66: 1129-1137 (2006)

• Wu Bi and Douglas W. Coffin, “Racking Strength of Paperboard Based Sheathing Materials,” BioResources, 2(1);6-13 (2007)

• D. W. Coffin and B. Hojjatie, "Application of show moire' method in measurement of sheet topography," TAPPI Journal (2005)

• D. W. Coffin, Acknowledgement of contribution in Carlsson L. and Linstrom T, "A shear-lag approach to tensile strength paper," Composites Science and Technology 65 (2005) 183-189

• D. W. Coffin and C. C. Habeger, "The Mechanics of Sorption-induced
  Transients in the Loss Tangent," Journal of Pulp and Paper Science, to
  appear November 27(11): (2001).

• C. C. Habeger, D. W. Coffin, B. Hojjatie, "Influence of Humidity Cycling
  Parameters on the Moisture-Accelerated Creep of Polymeric Fibers," Journal
  of Polymer Science: Part B: Polymer Physics, 39(17): 2048-2062 (2001).

• Leisen, J.; Hojjatie, B.; Coffin, D. W., and Beckham, H. W, "Moisture
  Transport in Paper Detected by Magnetic Resonance Imaging," Drying
  Technology, 19(1): 199-206 (2001).
  
  
• B. Hojjatie, J. Abedi, D. W. Coffin, "Quantitative Determination on In-plane
  Moisture Distribution in Paper by Infared Thermography," Tappi Journal,
  84(5): (2001).
  
  
• D. W. Coffin and C. C. Habeger, "Practical Influence of Heterogeneity on
  Tensile Compressive Creep in Paper," Tappi Journal, 84(3) (2001).
  
  
• D. W. Coffin, C.C. Habeger, and J. Waterhouse, "Effect of Recycling Fibers
  on Accelerated Creep," Progress in Recycling, 9(3): 14-21 (2000).
  
  
• F. Bloom and D. W. Coffin, "Modeling the Hygroscopic Buckling of Layered
  Paper Sheets," Mathematics and Computer Modeling, 31: 43-60 (2000).
  
  
• C. C. Habeger and D. W. Coffin, "The Role of Stress-Concentrations in
  Accelerated Creep and Sorption-induced Physical Aging, Journal of Pulp and
  Paper Science, Vol. 26( 4): 145-157 (2000).
  
  
• B. Hojjatie and D. W. Coffin, "On-Line Freeness Sensors Used in
  Papermaking," Paper Technology, 40(5): 29-34 (1999).
  
  
• D. W. Coffin and F. Bloom, "Elastica Solution for the Hygrothermal Buckling
  of a Beam," International Journal of Nonlinear Mechanics, 34: 934-957 (1999).
  
  
• D. W. Coffin, R. B. Pipes, and P. Simacek, "First-Order Approximations for
  the Effective Shearing Viscosities of Continuous-Fiber Suspensions," Journal of Composite Materials, 28(9): 1669-1180 (1995).
  
  
• R. B. Pipes, D. W. Coffin, S. F. Shuler, and P. Simacek, "Non-Newtonian
  Constitutive Relationships for Concentrated Aligned Fiber Suspensions," Journal of Composite Materials, 28(4): 343-351 (1994).
  
  
• D. W. Coffin and R. B. Pipes, "Constitutive Relationships for Aligned
  Discontinuous Fiber Composites," Composites Manufacturing, 2(3/4):141-146 (1991).
  
  
• A. D. Kerr and D. W. Coffin, "Beams on a Two Dimensional Pasternak
  Base Subjected to Loads that Cause Lift-off," International Journal of Solids and Structures, 28(4): 413-422 (1991).
  
  
• A. D. Kerr and D. W. Coffin, "On Membrane and Plate Problems for
  Which the Linear Theories are Not Admissible," Journal of Applied Mechanics, 57(1): 128-133(1990).
  
  

MAJOR INTEREST AREAS:

Applied Solid Mechanics, Paper Mechanics, Dimensional Stablity, Stablity Theory, Composite Materials, Viscoelasticity, Theoretical and Experimental Mechanics