George Marra Award Recipients

2025

Rajan Akhikari, Samuel O. Ayanleye, Edward D. Entsminger, Franklin Quin, Wengang Hu, Jilei Zhang. Grain Angle Effects on Acoustic Emission Characteristics of Southern Yellow Pine Columns Under Compression. Vol. 56 (4): 208-221 – First Place
Sarah Amira, Kneji Kobayashi, Keita Ogawa. Evaluation of Withdrawal Strength of Self-tapping Screw Inserted into Cross-laminated Timber with Different Anatomical Aspects. Vol. 56(1): 9-26 – Second Place
Futoshi Ishiguri, Ikumi Nezu, Jyunichi Ohshima, Shinso Yokota. Evaluation of Relationships Between Age-related Changes in Radial Growth Increments of Stems and Wood Properties in Paulownia Tomentosa Trees Grown in Fukushima, Japan. Vol. 56 (3): 113-126. – Honorable Mention
Cody Wainscott, Matthew Konkler, Scott Noble, Joey Valenti, Jeff Morrell, Gerald Presley. Characterization of Bondlines in Cross-laminatd Timber Made with Preservative-Treated Lumber. Vol. 56 (4): 183-196. – Honorable Mention

2024

Prabu Ravindran, Frank C. Owens, Adriana Costa, Brunela Pollastrelli Rodrigues, Manuel Chavesta, Rolando Montenegro, Rubin Shmulsky, and Alex C. Wiedenhoeft. Evaluation of Test Specimen Surface Preparation on Macroscopic Computer Vision Wood Identification. Vol. 55 (2): 176-202 – First Place
Sina Jahedi, Lech Muszynski, Mariapaola Riggio, and Sujit Bhandari. Bending Characteristics of Custom CLT Layups Laminated with Ponderosa Pine Harvested from Restoration Programs. Vol. 55(3/4): 282-294 – Second Place
R. Sargent, M. Mikuljan, and A. Kutnar. Densification of New Zealand-Grown Eucalyptus Species: Effect of Grain Orientation and Densification Process on Wood Properties. Vol. 55(2): 143-156 – Third Place

2023

A. Olsson, G. Pot, J. Viguier, M. Hu, and J. Oscarsson. Performance of Timber Board Models for Prediction of Local Bending Stiffness and Strength – With Application on Douglas Fir Sawn Timber. Vol. 54 (4): 226-245 – First Place
D. Lipovac, S. Wei, A.Q. Nyrud, and M.D. Burnard. Perception and Evaluation of (Modified) Wood by Older Adults from Slovenia and Norway. Vol. 54(1): 45-59 – Second Place
Tracye M. Murphy, L. Schimleck, and Albert Landers. Evaluating Log Stiffness using Acoustic Velocity for Manufacturing Structural Oriented Strand Board. Vol. 54(2): 99-110 – Third Place

2022

Juan, Li and Kasal Bohumil. Repeatability of adhesion force measurement on wood
longitudinal cut cell wall using atomic force microscopy. Vol. 53 (1): 3-16 – First Place
Jang, Eun-Suk and Chun-Won Kang. Effect of porous traits of hardwoods crosssection on sound absorption performance – Focusing on six species of Korean hardwoods. Vol. 53(4): 260-272 – Second Place
Liu, Fenglu, Houjiang Zhang, Xiping Wang, Fang Jiang, Wenhua Yu, and Robert J Ross. Acoustic wave propagation in standing trees – Part II. Effects of tree diameter and juvenile wood. Vol. 53(2): 95-108 – Third Place

2021

Balkis Fatomer A. Bakar and Frederick A. Kamke. Effect of Alkali treatment on the tensile properties of grape cane fibers by integration digital image correlation method. Vol 52 (4): 365-379 – First Place
Shaobo Liang, Hongmei Gu, Richard Bergman, and Stephen S. Kelley. Comparative Life-Cycle Assessment of a Mass Timber Building and Concrete Alternative. Vol 52 (2): 217-229 – Second Place
Grant T. Kirker, Christian Brischke, Leandro Passarini, and Samuel L Zelinka. Salt Damage in Wood: Controlled Laboratory Exposures and Mechanical Property Measurements. Vol 52 (1): 44-52. – Third Place

2020

Kong Yue, Lu Wang, Jiao Xia, Yulong Zhang, Zhangjing Chen, Weiqing Liu. “Experimental Research on Mechanical Properties of Laminated Poplar Wood Veneer/Plastic Sheet Composite”, 51(3) — First Place
R. Arbelaez, L. Schimleck, J. Dahlen, S. Wood. “Evaluation of Lumber from Deconstructed Portland Residential Buildings”, 51(4) — Second Place
So Sun Lee, Sung-Jun Pang, Gi Young Jeong. “Effects of Size, Species, and Adjacent Lamina on Moisture-related Strain in Glulam”, 51(2) — Second Place

2019

Hongmei Gu, Richard Bergman, Nathaniel Anderson, Sevda Alanya-Rosenbaum. “Life Cycle Assessment of Activated Carbon from Wood Biomass”, 50(3) — First Place
Douglas, R. Rammer, Samuel L. Zelinka, Laura E. Hasburgh, and Steven T. Craft. “Ability of Finger-Jointed Lumber to Maintain Load at Elevated Temperatures”, 50(1) — Second Place
Paige McKinley, Frederick A. Kamke, Arijit Sinha, Vincent De Andrade, and Joseph E. Jakes. “Analysis of Adhesive Penetration into Wood Using Nano-x-ray Computed Tomography”, 50(1) — Third Place

2018

Stan Lebow, Patricia Lebow and Kolby Hirth. “Comparison of Accelerated Methods for Evaluating Leaching from Preservative Treated Wood”, 49(1) — First Place
Jerrold E. Winandy. “Relating Wood Chemistry and Strength: Part II. Fundamental Relationships Between Changes in Wood Chemistry and Strength of Wood”, 49(1) — First Place
Connie S. Love, Luis Meza, Jeffrey Morrell, Stan T. Lebow and Frederick Matt. “Effect of Landfill Burial on Condition of Wood: Preliminary Tests”, 49(1) — Second Place
Carolina Kravetz, José Otávio Brito, Daniel Saloni and David C Tilotta. “Qualitative Analysis of the Extractives of Orange Wood”, 49(4) — Third Place

2017

Douglas Gardner and Mehdi Tajvidi. “Hydrogen bonding in wood-based materials: An update”, 48(4) — First Place
Samuel L. Zelinka, Leandro Passarini, Jose Colon Quintana, Samuel V. Glass, Joseph E. Jakes, and Alex C. Wiedenhoeft. “Cell wall domain and moisture content influence southern pine electrical conductivity”, 48(Special Issue) — Second Place
Richard Bergman, D. Kaestner, and Adam Taylor. “Life cycle impacts of North American wood panel manufacturing”, 48(Special Issue) — Honorable Mention
Paige E. McKinley, Daniel J. Ching, Frederick A. Kamke, Michaela Zauner, and Xianghui Xiao. “Micro x-ray computed tomography of adhesive bonds in wood”, 48(Special Issue) — Honorable Mention

2016

G. D. Estep, D. B. DeVallance, D. B. DeVallance, D. J. Lacombe. “Analysis of certified wood product use in commercial leed green building projects,” 47(3) — First Place
Min Ye, Jeffrey J. Morrell. “Effect of treatment postfixation practices on copper migration from alkaline-copper-treated douglas-fir lumber,” 47(4) — Second Place
Svetka Kuljich, Roger E. Hernández, Carl Blais. “Effects of cutterhead diameter and log infeed position on energy requirements of a chipper canter,” 47(4) — Third Place

2015

Oscarsson, Jan, A. Olsson, and B. Enquist. “Localized modulus of elasticity in timber and its significance for the accuracy of machine strength grading,” 46(4) — First Place
Lamason, Clevan, Bryce MacMillan, Bruce Balcom, Brigitte Leblon and Zarin Pirouz. “Examination of water phase transitions in black spruce by magnetic resonance and magnetic resonance imaging,” 46(4) — Second Place
Wang, Xiaoqing, Sichen Liu, Huanjun Chang, and Junliang Liu. “Sol-gel deposition of TiO2 nanocoatings on wood surfaces with enhanced hydrophobicity and photostability,” 46/1 — Third Place

2014

Morrow, C. D., T. M. Gorman, J. W. Evans, D. E. Kretschmann, and C. A. Hatfield. “Prediction of wood quality in small-diameter Douglas-fir using site and stand characteristics,” 45(1) — First Place
Wang, Xiping, Steve Verrill, Eini Lowell, Robert J. Ross, and Vicki L. Herian. “Acoustic sorting models for improved log segregation,” 45(4) — Second Place
Renneckar, Scott. “State of the Art Paper – Biomimetics: Adapting performance and function of natural materials for biobased composites,” 45(1) — Honorable Mention
Kaboorani, Alireza, Pierre Blanchet, and Aziz Laghdir. “A rapid method to assess viscoelastic and mechanosorptive creep in wood,” 45(4) — Honorable Mention

2013

Laszlo Horvath, Perry Peralta, Ilona Peszlen, Levente Csoka, Balazs Horvath and Joseph Jakes. “Modeling Hygroelastic Properties of Genetically Modified Aspen,” 44(1) — First Place
Zanin Kavazovi, Jean Deteix, André Fortin and Alain Cloutier. “Numerical Modeling of the Medium-Density Fiberboard Hot Pressing Process, Part 2: Mechanical and Heat and Mass Transfer Models,” 44(3) — Second Place
Yucheng Peng, Yousoo Han and Douglas J. Gardner. “Spray-Drying Cellulose Nanofibrils: Effect of Drying Process Parameters on Particle Morphology and Size Distribution,” 44(4) — Honorable Mention

2012

Rastislav Lagana, William G. Davids, Lech Muszynski, and Stephen Shaler. “Moment-Curvature Analysis of Coupled Bending and Mechanosorptive Response of Red Spruce Beams,” 43(3) — First Place
Ge Wang, Sheldon Q. Shi, Jinwu Wang, Yan Yu, Shuangping Cao, and Haitao Cheng. “Tensile Properties of Four Types of Individual Cellulosic Fibers,” 43(4 )– Second Place
Han-Seung Yang, Douglas J. Gardner, and Jacques Nader. “Mechanical Properties of Cellulose Nanofibril-Filled Polypropylene composites,” 43(2) — Tied for Third Place
Ge Wang, Sheldon Q. Shi, Jinwu Wang, Yan Yu, Shuangping Cao, and Haitao Cheng. “Microtension Test Method for Measuring Tensile Properties of Individual Cellulosic Fibers,” 43(3) — Tied for Third Place

2011

Jim Wilson. “Life-cycle inventory of formaldehyde-based resins used in wood composites in terms of resources, emissions, energy and carbon,” 42 (Special CORRIM issue) — First Place
Zanin Kavazovic, Jean Deteix, Alain Cloutier and André Fortin. “Sensitivity study of a numerical model of heat and mass transfer involved during the medium-density fiberboard hot pressing process,” 42(2) — Second Place

2010

Kevin B. D. White, Thomas M. Miller, and Rakesh Gupta. “Seismic Performance Testing of Partially and Fully Anchored Wood-frame Shear Walls,” 41(4) — First Place
Niels Peter K. Nielsen, Douglas J. Gardner, Torben Poulsen, and Claus Felby. “Importance of Temperature, Moisture Content, and Species for the Conversion Process of Wood Residues into Fuel Pellets,” 41(4) — Second Place

2009

Heiko Thoemen and Christian Ruf. “Measuring and simulating the effects of the pressing schedule on the density profile development in wood-based composites,” 40(3) — First Place
Brad Jianhe Wang, Chunping Dai, and Steve Wharton. “Impact of mountain pine beetle-attacked lodgepole pine logs on plywood manufacturing,” 40(3) — Second Place

2008

Russell J. Chedgy, Paul I. Morris, Young Woon Lim, and Colette Breuil. “Black stain of western red cedar (Thuja plicata donn) by Aureobasidium pullulans: The role of weathering,” 39(3) — First Place
Lori Elkins, Jeffrey J. Morrell, and Robert J. Leichti. “Establishing a through-boring pattern for utility poles,” 39(4)– Second Place
Erin N. Anderson, Robert J. Leichti, Edward G. Sutt, Jr., and David V. Rosowsky. “Sheathing nail bending-yield stress: Effect on cyclic performance of wood shear walls,” 39(4) — Honorable Mention

2007

John A. Naim. “Numerical simulations of transverse compression and densification in wood,” 38(4) — First Place
R. Cristian Neagu, E. Kristofer Gamstedt, Mikael Lindstron,. “Characterization methods for elastic properties of wood fibers from mats for composite materials,” 38(1) — Second Place
Mohammed Jahangir A. Chowdhury and Philip E. Humphrey. “The effect of sequential ammonia and methyl formate injection on the strength development of phenol-formaldehyde bonds to wood,” 38(2) — Honorable Mention

2006

Sigurdur Ormarsson and Dave Cown. “Moisture-Related Distortion of Timber Boards of Radiata Pine: Comparison with Norway Spruce,” 37(3): 424-436 — First Place
Kathy L. Woo, Paul Watson, and Shawn D. Mansfield, “The Effects of Mountain Pine Beetle Attack on Lodgepole Pine Wood Morphology and Chemistry: Implications for Wood and Fiber Quality,” 37(1): 112-126 — Second Place
Mohssine Moutee, Mario Fafard, Yves Fortin, Aziz Laghdir. “Modeling the Creep Behavior of Wood Cantilever Loaded at Free End During Drying,” 37(3): 521-534 — Honorable Mention
Mohammed Jahangir A. Chowdhury and Philip E. Humphrey, “A Sealed Pressing System and its Use to Explore the Ammonia Plasticization of Natural Fiber Mats,” 37(1): 42-50 — Honorable Mention

2005

Kate E. Semple, Ross B. Cunningham, and Philip D. Evans. “Manufacture of Wood-cement Composites from Acacia Mangium: Mechanistic Study of Compounds Improving the Compatibility of Acacia Mangium Heartwood with Portland Cement,” 36(2): 250-259 — First Place
Chi-Leung So, Stan T. Lebow, Leslie H. Groom, and Timothy G. Rials. “The Application of Near Infrared (NIR) Spectroscopy to Inorganic Preservative-Treated Wood”, Volume 36(3): 329-336 — Honorable Mention
Siqun Wang, Paul M. Winistorfer, and Timothy M. Young, “Fundamentals of Vertical Density Profile Formation in Wood Composites. Part III. MDF Density Formation During Hot Pressing,” 36(1): 17-25 — Honorable Mention
Balazs G. Zombori, Frederick A. Kamke, and Layne T. Watson, “Sensitivity Analysis of Internal Mat Environment During Hot Pressing,” 36(2): 195-209 — Honorable Mention

2004

Zombori, Balazs G.; Kamke, Frederick A.; Watson, Layne T. “Simulation of the internal conditions during the hot pressing process,” 35(1): 2-23 — First Place
Green, David W. and Evans, James W., “Effect of low relative humidity on properties of structural lumber products,” 35(2): 247-265 — Honorable Mention
Stark, Nicole M. and Rowlands, Robert E., “Effects of wood fiber characteristics on mechanical properties of wood/polypropylene composites,” 35(2): 167-174 — Honorable Mention

2003

Muszynski, Lech, Wang, Fenghu, and Shaler, Steven M. “Short-term creep tests on phenol-resorcinol-formaldehyde (PRF) resin undergoing moisture content changes,” 34(4): 612-624 — First Place
Lang, Elemer M., Bejo, Laszlo; Szalai, Jozsef, Kovacs, Zsolt, and Anderson, R. Bruce. “Orthotropic strength and elasticity of hardwoods in relation to composite manufacture. Part II. Orthotropy of compression strength and elasticity,” 34(2): 350-365 — Second Place

2002

Dai, Chunping. “Viscoelasticity of wood composite mats during consolidation,” 33(3): 353-363 — First Place
Tabarsa, Taghi and Chui, Ying Hei. “Characterizing microscopic behavior of wood under transverse compression. Part II. Effect of species and loading direction,” 33(2): 223-232 — Second Place

2001

Zhang, Jun and Pascal Kamdem. “Interaction of copper-amine with southern pine: Retention and migration,” 32(3): 332-339 — First Place
Anagnost, Susan E., Mark, Richard E., and Hanna, Robert B. “Utilization of soft-rot cavity orientation for the determination of microfibril angle – Part I,” 32(1): 81-87 — Second Place

2000

Jhang, Jian and Perry N. Peralta. “Moisture content-water potential characteristics curves for red oak and loblolly pine,” 31(4): 360-369. — First Place
Chowdhury, Mohammed Jahangir and Philip E. Humphrey. “The effect of acetylation on the shear strength development,” 31(3): 293-299. — Second Place

1999

Paul Cooper. “Diffusion of copper in wood cell walls following vacuum treatment,” Volume 30(4) — First Place
Peter W. Lau and J. Dave Barrett. “Modeling the reliability of wood tension members exposed to elevated temperatures,” 30(3) — Second Place
Yi-ru Chen, Elmer Schmidt, and Kurt Olson. “Effect of compression of green wood chips on conidial germination and colonization of a biopulping fungus, phanerochaete,” 30(1) — Honorable Mention

1998

John W. Stelmokas, Audrey G. Zink, and Joseph R. Loferski. “Image Correlation Analysis of Multiple-Bolt Wood Connections,” 29(3)–First Place
Stefan Zauscher and Philip E. Humphrey. “Orienting Lignocellulosic Fibers and Particles by Means of a Magnetic Field,” 29(1)–Second Place
Dongjin Song and Simon Ellis. “Localized Properties in Flakeboard: A Simulation Using Stacked Flakes,” 29(4)–Honorable Mention
Ying H. Chui and Chun Ni. “Load-Embedment Response of Timber to Reversed Cyclic Load,” 29(2)–Honorable Mention

1997

Laurence Mott, Stephen M. Shaler, and Leslie H. Groom; 28(4)–First Place
Greg C. Foliente, Mahendra P. Singh, and J. Daniel Dolan; 28(1)–Second Place
Barbara L. Gartner; 28(1)–Honorable Mention

1996

Charles B. Vick, Klaus Richter, Bryan H. River, and Albert R. Fried, Jr.; 27(1) First Place
Stan T. Lebow and Jeffrey J. Morrell; 27(2) Honorable Mention
Thomas D. Skaggs and Donald A. Bender; 27(3) Honorable Mention

1995

M.P. Wolcott, F. A. Kamke, and D. A. Dillard; 26(4) First Place
Paul A. Cooper and Dibyendu N. Roy; 26(3) Second Place

1994

Chungping Dai and Paul Steiner; 25(4) First Place
Jerrold Winandy and Jeffrey Morrell; 25(3) Second Place
David Ritter, Robert Kroll, and Roland Gertjejansen; 25(2)
Honorable Mention

1993

David E. Kretschmann and B. Alan Bendtsen; 24(2) First Place
Charles B. Vick and Thomas E. Kuster; 24(1) Second Place
Kelly LaFave and Rafik Y. Itani; 24(1) Honorable Mention

1992

David W. Green and David E. Kretschmann; 23(3) First Place
Steven E. Taylor and Donald A. Bender; 23(4) Second Place
Michael L. Hoag and Robert L. Krahmer; 23(1) Honorable Mention

1991

M. P. Wolcott, F. A. Kamke, and D. A. Dillard; 22(4) First Place
William T. Simpson and Yi-Fu Tan; 22(1) Second Place

1990

Philip Humphrey and Larry Ostman; 21(3) First Place
Irving Sachs, Gary Myers, and Gary Leatham; 21(4) Second Place

1989

Terrence E. Conners and Thomas E. McLain; 20(2)

1988

Leslie Groom and Anton Polensek; 19(3)

1987

Michael Thurmond, Frank Woeste, David Green; 18(1)

1986

Kirk Nadler, Elvin Choong, David Wetzel; 17(3)