Relating bending stiffness measurements across various free span lengths
Source abstract
Abstract
Bending stiffness should be an intrinsic property of a material, so it is puzzling that the TAPPI Standard Test Method T 836 “Bending stiffness, four point method” specifies span lengths when testing different types of corrugated fiberboard. These specified spans often limit the samples that can be measured with this method. To better understand the relationship between bending stiffness and span length, we performed measurements on a range of materials at different spans. The results provide a practical tool enabling comparison of bending stiff-ness measurements made at various span lengths. Additionally, this note discusses several areas that could serve as the foundation for more fundamental work exploring the bending behavior of corrugated board.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Material Properties and Processing · Music Technology and Sound Studies · Surface Roughness and Optical Measurements
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References (10)
Show source-provided references
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