Dan Cassens

Daniel L. Cassens, Ph. D.

Professor of Wood Products
175 Marsteller St.
Room 101B

West Lafayette, IN 47907-2033
Phone: (765)494-3644
Fax: (765)496-1344
Email: dcassens@purdue.edu


CURRENT ACTIVITIES AND INTERESTS

  • Certification of Forest Lands; Chain of Custody Certification for Manufacturers
  • Chemical and Thermal Treatment of Yellow Poplar to Improve Durability
  • Stain in Hardwood Lumber
  • Manufacture and Use of Hardwood Lumber and Veneers (See CD titled Lumber from Hardwood Trees at http://www.extension.purdue.edu/LumberfromHardwoods/)
  • A Handbook for Manufacturing and Marketing Eastern Hardwood Lumber Produced by the New Generation of Thin Kerf Portable Sawmill

Chapter 1    Introduction: Why a Thin Kerf Band Mill
Chapter 2    Hardwood Resource and Species Characteristics
Chapter 3    Wood Quality and Characteristics
Chapter 4    Hardwood Lumber Pricing and Grading
Chapter 5    Softwood Lumber Grading
Chapter 6    Log and Tree Scaling Techniques
Chapter 7    Forest Service Hardwood Log Grades, Tree Grades and Yields
Chapter 8    Hardwood Logs and Trees for Fine Face Veneer
Chapter 9    Sawing, Edging, Trimming, and Bucking Techniques
Chapter 10  Wood Residues and Potential Markets
Chapter 11  Wood Drying:  Problems Associated with Moisture in Wood, How Wood Dries, Air Drying, Kiln Drying, Storage, and Quality Control Checks
Chapter 12  Insect Damage of Trees, Lumber and Finished Product
Chapter 13  Stain in Logs, Lumber and Finished Products
Chapter 14  Structure of the Hardwood Lumber Industry
Chapter 15  Marketing Products
Chapter 16  Sales Techniques
Appendix A – Important References on Wood and Wood Processing
Appendix B – Lumber Weights and Moisture Content

EDUCATION

University of Wisconsin, Madison, Wisconsin
Ph.D. Majoy in Forestry (Forest Products)
(Minor in Botany )

University of California, Berkeley, C alifornia
M.S. in Wood Science

University of Illinois, Urbana, Illinois 
B.S. in Forestry (Forest Products)

PROFESSIONAL EMPLOYMENT

July 1996 - To date (Academic Year Appointment)
Professor; Extension Wood Products Specialist 70%, Teaching 30%,
Department of Forestry and Natural Resources
Purdue University,  West Lafayette, Indiana 47907
July 1985 - 1967 (Academic Year Appointment)
Professor and Extension Specialist - Wood Products,
Purdue University

July 1981 - 1985
Associate Professor and Extension Specialist - 
Wood Products,
Purdue University

March 1977 - July 1981.
Assistant Professor and Extension Specialist -
Wood Products,
Purdue University
June 1973 - February 1977.
Extension Specialist - Wood Products,
Cooperative Extension Service,
Louisiana State University,
Baton Rouge, Louisiana 70803
January 1970 - May 1973.
Wood Products Technologist,
U.S. Forest Products Laboratory,
One Gifford Pinchot Drive
Madison, Wisconsin 53705
June 1968 - December 1969.
Research Assistant,
California Forest Products Laboratory,
University of California,
Berkeley, California
 
MEMBERSHIPS
  • Society of Wood Science and Technology
  • Forest Products Society
  • Indiana Hardwood Lumbermen's Association
  • National Christmas Tree Growers Association
  • Indiana Christmas Tree Growers Association
HONORARY FRATERNITIES:
  • Xi Sigma Pi
  • Sigma Xi
  • Gamma Sigma Delta
CITATION IN BIOGRAPHICAL WORKS
  • American Men and Women of Science
  • Who's Who in Technology Today
  • Who's Who in Frontier Science and Technology
INTERNATIONAL EXPERIENCE
  • Invited by the American Hardwood Export Council (AHEC) to make several presentations in Mexico on hardwood lumber and veneer.  1999.
  • Invited by the American Hardwood Export Council (AHEC) to make several presentations in the Japan on hardwood lumber and veneer.  1995.
  • Invited by the American Hardwood Export Council (AHEC) to make several presentations in the Philippines on hardwood lumber and veneer.  1994.
  • Participated in an IUFRO meeting and subsequent industry tour in Brazil.  1988.
  • Visited and subsequently developed a cooperative working relationship with the Furniture Industry Research Association of Great Britain (FIRA).  FIRA is world-renowned and the largest furniture research organization in the world.  1987.
  • Attended Ligna Hannover '85 Fair, Hanover, West Germany.  This fair is the world's largest and covers all aspects of woodworking equipment.  1985.
  • Served as a lecturer at the 3er Seminario De Ingenieria De Maderas and Consultant to the Sawmill Industry of the Instituto Tecnologicao, Cartago, Costa Rica.  1984.
  •  
TEACHING
  • Wood Products Processing (FNR 301)
  • Wood Structure, Properties and Identification (FNR 311)


EXTENSION OR CONTINUING EDUCATION RESPONSIBILITIES
Cassens services as a teacher and coordinator of numerous industry oriented educational programs.  These programs can be divided into two types.  The first are state-of-the-art programs which provide wood manufacturers with the most current technology and application of new ideas, processes and equipment. the second group are Basic Training programs which provide basid information on wood to industry and consumers. This information helps improve the efficiency of how wood products are manufactured and used. Examples of each follows:

 


State-of-the-Art Programs

Title

Date

Location

The Dollars & Sense of Going Green

Oct. 28-29, 2008

Sheraton City Centre Hotel
   Indianapolis, IN

Quality and Profit Improvement for Wood Veneering

Oct. 11-12, 2005

   Clarksville, IN

Upholstery Frames With Plywood and Oriented Strandboard

Nov. 15, 2000

 

Powder Coatings for Wood Substrates

Oct. 11, 2000

   Atlanta, GA

UV/EB Finishing Systems for the Wood Industry

Oct. 12, 2000

   Atlanta, GA

Furniture and Cabinet Manufacturing Seminar - An Overview

May 16-18, 2000

   Gransboro, NC

Upholstery Frames With Plywood and Oriented Strandboard

Nov. 16, 1999

   Memphis, TN

Powder Coatings for Wood Substrates

March 1997

  Indianapolis, IN

UV/EB Finishing Systems for the Wood Industry

March 1997

  Indianapolis, IN

 

Basic Training Programs

Title

Date

Location

White Oak Veneer Log Grading and Slicing

April 28, 2008

Morgan Monroe State Forest,   Martinsville, IN

Walnut Lumber Grading and Manufacturing

Oct. 19, 2007

Ramada Inn
   Elkhart, IN

Hardwood Lumber Grading and Manufacturing

Oct. 16-18, 2007

Ramada Inn
   Elkhart, IN

Hardwood Log Lumber and Tree Grading Workshop

Oct. 9 & 10, 2007

N.E. Purdue Agr. Center
   Columbia City, IN

Hardwood Log, Lumber and Tree Grading Workshop

Sept. 27 & 28, 2007

Morgan Monroe State Forest, Martinsville, IN

Hardwood Log, Lumber and Tree Grading Workshop

March 22-23, 2007

Feldon Farm
   Bedford, IN

Marketing Hardwood Veneer Logs and Trees

Oct. 12, 2007

Coldwater Veneer
   Coldwater, MI

Paint Workshop – Michael Hunt & Daniel Cassens

June 10, 2006

   Lafayette, IN

Forest Products Supply Chain (Planning Committee)

April 27, 2006

   W. Lafayette, IN

Is Mass Customization Right for Your Company?

April 13, 2006

   Jasper, IN

Wood Manufacturing Seminar

April 13, 2006

   Jasper, IN

Hardwood Lumber Grading

April 12, 2006

   Jasper, IN

Log, Lumber and Tree Grading Workshop

March 23-24, 2006

Davis Farm,   Muncie, IN

Identifying and Understanding Wood in Historic Structure

Sept., 2001

For Restoration and Renovation Exhibition and Conference,
--New Orleans, LA

 

EXTENSION PUBLICATIONS

Title

Item #

Date

Controlling Moisture Content in Stored Lumber

FNR-403-W

2008

Wood from Midwestern Trees

FNR 270

2007

Hardwood Lumber and Veneer Species - Ash

FNR-272-W

2007

Hardwood Lumber and Veneer Species – Aspen

FNR-273-W

2007

Hardwood Lumber and Veneer Species - Basswood

FNR-274-W

2007

Hardwood Lumber and Veneer Species - Beech

FNR-275-W

2007

Hardwood Lumber and Veneer Species - Black Cherry

FNR-276-W

2007

Hardwood Lumber and Veneer Species - Black Locust

FNR-277-W

2007

Hardwood Lumber and Veneer Species - Black Walnut

FNR-278-W

2007

Hardwood Lumber and Veneer Species - Birch

FNR-279-W

2007

Hardwood Lumber and Veneer Species - Butternut

FNR-280-W

2007

Hardwood Lumber and Veneer Species - Coffeetree

FNR-281-W

2007

Hardwood Lumber and Veneer Species - Cottonwood

FNR-282-W

2007

Hardwood Lumber and Veneer Species - Elm

FNR-283-W

2007

Hardwood Lumber and Veneer Species - Hackberry/Sugarberry

FNR-284-W

2007

Hardwood Lumber and Veneer Species - Hickory and Pecan Species

FNR-285-W

2007

Hardwood Lumber and Veneer Species - Honey Locust

FNR-286-W

2007

Hardwood Lumber and Veneer Species - Hard or Sugar Maple

FNR-287-W

2007

Hardwood Lumber and Veneer Species - Red Oak

FNR-288-W

2007

Hardwood Lumber and Veneer Species - Sassafras

FNR-289-W

2007

Hardwood Lumber and Veneer Species - Soft Maple

FNR-290-W

2007

Hardwood Lumber and Veneer Species - Sycamore

FNR-291-W

2007

Hardwood Lumber and Veneer Species - White Oak

FNR-292-W

2007

Hardwood Lumber and Veneer Species - Yellow-Poplar

FNR-293-W

2007

Hardwood Lumber and Veneer Species - Black Gum and Tupelo

FNR-298-W

2007

Hardwood Lumber and Veneer Species - Buckeye

FNR-299-W

2007

Hardwood Lumber and Veneer Species - Sweetgum

FNR-300-W

2007

Hardwood Lumber and Veneer Species - Willow

FNR-301-W

2007

Each year Cassens prepares numerous papers for publication through Purdue University Cooperative Extension Service and for different trade journals.  Examples follow:

“Quality Control in Lumber purchasing:  hardwood Lumber Grades” translated to Spanish and on line at http://www.itcr.ac.cr/revistaKuru/pdf/Nota%201.pdf.  2006

Cassens, Daniel.  May 2001. How to Grade Hardwood Logs.  Sawmill and Woodlot Management

Cassens, Daniel.  May 2001.  Webb Company Hosts Veneer Log Marketing Seminar, Northern Logger 2001

Cassens, Daniel.  March 2001.  Buck You Logs To NHLA Rules?

Cassens, Daniel.  January 2001.  Log and Tree Scaling.

Daniel Cassens.  Nov. 2000.  Quality Control in Lumber Purchasing:  Hardwood Lumber Grades.

Cassens, Daniel.  May 9, 2000.  Particleboard and MDF Properties as Related to the Furniture, Cabinet and Millwork Industry. 

Daniel Cassens and Yuelong Leng.  March 7, 2000.  Face Check Development in Veneered Furniture Panels. 

Cassens, Daniel.  1999.  Tools for Measuring the Board Feet Volume in Trees and Logs, CES Paper 318. Wood Mizer News

Cassens, Daniel.  1999. Douglas Fir, CES Paper 317.  Wood Mizer News

Cassens, Daniel. 1999.  American Black Walnut, CES Paper 324.  Wood Mizer News

Cassens, Daniel.  1999.  Storage of Logs and Lumber, CES Paper 322.  Wood Mizer News

Cassens, Daniel.  1998.  What Makes a Veneer Quality Tree.  Wood Mizer News.

Cassens, Daniel.  1998.  Techniques for Increasing Grade Lumber Yield.  Wood Mizer News.

Cassens, Daniel.  1998.  Air Drying Lumber.  Wood Mizer News.

Cassens, Daniel.  1998.  Understanding the Softwood Lumber Grading Process.  Wood Mizer News.

RESEARCH
Cassens conducts applied research aimed at providing new knowledge to selected industrial wood manufacturing problems.  Publication or presentation from recent projects follow:

  • Zhang, M., R. Gazo, D.L. Cassens, and J. Xie. Moisture Distribution in a Red Oak Lumber Package Stored in a High Humidity Environment. 2006. For Prod J. 56(4):75-80.
  • Dahle, G.A., H.A. Holt, W.R. Chaney, T.M. Whalen, D.L. Cassens, R. Gazo and R.L. McKenzie. Branch Strength Loss for Silver Maple (Acer saccharinum) Converted from Round-Over to V-trim. 2006. Arboriculture and Urban Forestry 32(4):148-154.
  • Dahle, G.A., H.A. Holt, W.R. Chaney, T.M. Whalen, J. Grabosky, D.L. Cassens, R. Gazo, R.L. McKenzie and J.B. Santini. Decay Patterns in Silver Maple (Acer saccharinum) Trees Converted from Roundovers to V-trims. 2006. Arboriculture and Urban Forestry 32(6):260-264.
  • Tora, S.G., D.L. Cassens, E. Haviarova. Properties of Hot-Melt Adhesives Used in Kitchen Cabinets. 2006. For Prod J. 56(11/12):43-50.
  • Tora, S.G., D.L. Cassens, E. Haviarova. Performance of Stock Kitchen Cabinets Designed and Produced Based on Tested Joints. 2006. For Prod J. 50(11/12):51-54.
  • Clements, C., R. Gazo, D.L. Cassens. Maximizing Lumber Use: the Effect of Manufacturing Defects on Yield – A Case Study. 2006. For Prod J. 56(1):60-65.
  • Serrano, Jose R and Daniel Cassens.  2001.  Reducing Warp and checking in Plantation Grown Yellow Poplar 4 x 4’S by Reversing Part Positions and Gluing in the Green Condition.  Accepted For. Prod. J.
  • Serrano, Jose R. and Daniel Cassens.  2000.  Pallet and Component Parts From Small-Diameter Red Oak Bolts.  For. Prod. J. 50(3):67-73.
  • Cassens, Daniel and Yuelong Leng .  Face Check Development in Veneered Furniture Grade Panels.  Forest Products Society, Lake Tahoe, Nevada, June 18-21, 2000. 
  • Krutz, Gary W., Harry G. Gibson, Daniel L. Cassens, and Min Zhang.  1999.  Color Vision in Forest Engineering.  International Conference on Forest Engineering. 
  • Wettschurack, Katherine P., Harry G. Gibson, Daniel L. Cassens, and Gary W. Krutz.  1999.  The Causes of Ridges That Occur During the Widebelt Sanding of Cabinet Doors.  For. Prod. J. 49(2):82-88.
  • Wettschurack, Katherine, Harry Gibson, Daniel L. Cassens, and Gary Krutz.  1999.  Factors Causing Ridge Formation During Wide-Belt Sanding and Corrective Actions.  For. Prod. J. 49(2):82-88.
  • Cassens, Daniel L. and Richard Hanger.  2/26/98   Application and Quality of Coatings on Porous Surfaces.  Purdue Coatings System Research Center Symposium. 
  • Cassens, Daniel L. and Elmer L. Schmidt.  1998.  Use of Borate Compounds to Prevent Insect Damage to Furniture Hickory Rounds with The Bark Intact.  For. Prod. J. 48(3):36-37.
  • Serrano, Jose R. and Daniel Cassens.  1998.  Dimensional Stability of Red Oak Panels Products from Small-Diameter Top Logs.  For. Prod. J. 48(7/8):71-74.
  • Hester, Patricia, Daniel Cassens and T.A. Bryan.  1997.  The Applicability of Particleboard Residue as a Litter Material for Male Turkeys.  Poultry Sci. 76:248-255.  AES Paper No 14806.
  • Schmidt, E.L., D. L. Cassens and J. Steen. 1997.  Log Fumigation Prevents Sticker Stain and Enzyme - Medicated Sapwood Discoloration in Maple and Hickory Lumber.  For. Prod. J. 47(9)47-50. 
  • Cassens, Daniel and James Bradtmueller.  1996.  Characterization of the Custom Woodworking Industry.  For. Prod. J. 46(5):29-36.
  • Cassens, Daniel L., J.R. Bankston, and J.S. Friday.  1994.  Statistical Process Control for Hardwood Sawmills - Is It Time?. For. Prod. J. 44(1):48-50.
  • Cassens, Daniel L., James P. Bradtmueller and Federico Picado.  1994.  Variation in Selected Properties of Industrial  Grade Particleboard.  For. Prod. J.  44(10) 50-56.
  • Haney, Leland, Cyrille Precetti, Harry Gibson, Gary Krutz, and Daniel Cassens.  1994.  Color Matching of Wood a Real-Time Machine Vision System.  Paper No. 943579 Winter Meeting of the American Society of Agr. Eng. Atlanta, GA.
  • Winterhalter, D. and D. L. Cassens.  United States Hardwoods:  Consumer Perceptions and Willingness to Pay.  Report produced for and distributed by the Forest Stewardship Council (FSC) Founding Assembly, Toronto, Canada, October 1-3, 1993.  The report was supplemental to the United States consultative process determining economic, social and environmental feasibility of FSC success in the United States.
HANDBOOKS AND MANUALS
  • A Handbook for Manufacturing and Marketing in Eastern Hardwood Lumber produced bythe New Generation of Thin Kerf Portable Sawmill
  • CD Hardwood Lumber of the Central Midwest. For purchase at http://www.extension.purdue.edu/LumberfromHardwoods
  • Cassens, Daniel L., Bruce Johnson, William Feist, and Rodney DeGrott.  1995.  Selection and Use of Preservative-Treated Wood.  Forest Products Society, 2801 Marshall Ct., Madison, WI 53705.  104 pp.
  • Cassens, Daniel L. and William C. Feist.  1991.  Exterior Wood in the South:  Selection, Application and Finishes.  USDA Forest Service General Technical Release - 69.  56 pp.
  • U.S. Navy Wood Preservation Manual.  1990.  NAVFAC Mo-312 Navel Facilities Engineering Command, 200 Stovall Street, Alexandria, VA 22332-2300.  7 chapters, 186 pages, 67 figures, 13 tables, 32 pages of appendix.  (Prepared by Daniel Cassens and Rodney DeGroot).
  • Cassens, Daniel L. and William C. Feist.  1986.  Finishing Wood Exteriors, Selection, Application and Maintenance.  USDA Forest Service, Agr. Hbk. No. 647.  56 pp.

Purdue University, College of Agriculture

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