Banner for LabNotes
From Lab Notes
Contact Information
Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: (608) 231-9200
Fax: (608) 231-9592


You are here: FPL Home  / Information Products & Services  / Publications

Requested Product

Title: Anisotropy Evaluation of Paperboard With Virtual Fields Method

Source: In: Proceedings of 2013 SEM annual conference and exposition on experimental and applied mechanics. 2013 June 3-5; Lombard, IL. Paper 83; 2013; 8 p.

Author(s)Considine, J.M.; Pierron, F.; Turner, K.T.; Vahey, D.W.

Publication Year: 2013  View PDF »

Category: Conference Proceedings
Associated Research Project(s):   FPL-4709-4B

Abstract: Paperboard is most often used as a structural material in which stiffness is a critical mechanical property. As such, paperboard mills use stiffness as one of their quality control parameters. Some manufacturing variability of paperboard is caused by changing material anisotropy, a behavior that is difficult to characterize. This work introduces a novel load fixture, designed to produce full-field strains capable of anisotropic Qi j evaluation without wrinkling the paperboard specimen. Anisotropic Qi j evaluation was accomplished using the Virtual Fields Method (VFM), a generalized inverse method. A substantial effort was made to ensure material remained in its linear elastic regime. Qi j determined by the VFM compared favorably with those determined by ultrasonic and tensile coupon tests. An appropriate virtual field mesh was established by a mesh density analysis.

Keywords: VFM; DIC; stiffness; paperboard; anisotropy

Publication Review Process: Non-Refereed (Other)

File size: 284 kb(s)

Date posted: 09/06/2013
RITS Product ID: 65058
Current FPL Scientist associated with this product
Considine, John M.
Materials Research Engineer

Additional items that might interest you
View the video celebrating FPL's 100 years of public service in 2010, from the producers of the Greatest Good....view

Research Highlights from FPL....view

Termite Eradication: A search for the Holy Grail.... view

Moisture Management in Residential Construction Series videos...view

Wood Floor Systems in Residential Construction Series videos....view
- FPL's Mission and Strategic Plan -

FPL's mission is to identify and conduct innovative wood and fiber utilization research that contributes to conservation and productivity of the forest resource, thereby sustaining forests, the economy, and quality of life. ... ..more »

- FPL Research Emphasis Areas -
Advanced Composites

As an integral part of the FPL mission, we improve the long-term sustainability of our Nation's forests by creating valuable composite products from biobased materials ... ..more »

Advanced Structures

The FPL has been in the forefront of wood-frame housing research since 1910 and has long been recognized as a world leader in such housing-related areas as engineered wood ... ..more »

Forest Biorefinery

We all know the compelling reasons that the United States needs to reduce its dependence on fossil fuels. Historically, the greatest increases in energy demand have been for transportation fuels ... ..more »


A leader in wood products research for over a century, the FPL is positioning itself to become the lead Federal research facility for the application of nanotechnology in forest products ... more »

Woody Biomass Utilization

Forests in the United States contain a substantial amount of small-diameter, overstocked, and underutilized material.FPL research projects are exploring the potential of the small-diameter ... ..more »