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Title: The Compressive Load-Strain Curve of Paperboard: Rate of Load and Humidity Effects

Source: Journal of Pulp and Paper Science: Volume 14, Number 2, March 1988; pp. 37-71.

Author(s)Gunderson, D.E.; Considine, J.M.; Scott, C.T.

Publication Year: 1988  View PDF »

Category: Journal Articles

Abstract: This paper reports the effect of load rate and humidity on edgewise compression properties of paperboard. One liner-board and one corrugating medium were tested at three load rates; 263 N/m/s, 2.63 N/m/s, and 0.0263 N/m/s, under constant 50% and 90% relative humidity (rh). Both paperboards exhibited lower compressive strength, smaller initial stiffness, and larger failure strains as load rate was reduced. Compressive strength and initial stiffness were found to vary with the logarithm of load rate. The results also show that the paperboards in this study were more affected by load rate at 90% rh than at 50% rh. The hyperbolic tangent model is extended to determine load as a function of strain and load rate. In this model, comparison of the machine direction (MD) and the cross-machine direction (CD) response shows that the CD is more sensitive to load rate at 50% rh, but that the MD is more sensitive at 90% rh.

Keywords: paper board tests, humidity, edge crush tests, liner boards, corrugating medium, compression strength, stiffness, loads, dynamic tests, mathematical models

Publication Review Process: Non-Refereed (Other)

File size: 658 kb(s)

Date posted: 09/15/2015
RITS Product ID: 74758
Current FPL Scientist associated with this product
Considine, John M.
Materials Research Engineer
  

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