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Relating bending stiffness measurements across various free span lengths, TAPPI Journal August 2020
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 stiffness 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.
Standards
Moisture content of fiber glass mats, Test Method TAPPI/ANSI T 1012 om-23
Moisture content of fiber glass mats, Test Method TAPPI/ANSI T 1012 om-23
Standards
Optical Measurements Terminology (Related to Appearance Eval
Optical Measurements Terminology (Related to Appearance Evaluation of Paper), Test Method T 1213 WD-08 WITHDRAWN
Standards
The determination of instrumental color differences, Test Method TAPPI/ANSI T 1215 sp-21
The determination of instrumental color differences, Test Method TAPPI/ANSI T 1215 sp-21
Standards
Pentosans in wood and pulp, Test Method T 223 cm-23
Pentosans in wood and pulp, Test Method T 223 cm-23
Standards
Specific external surface of pulp, Test Method T 226 cm-23
Specific external surface of pulp, Test Method T 226 cm-23
Standards
Zero-span breaking strength of pulp (dry zero-span tensile), Test Method T 231 cm-22
Zero-span breaking strength of pulp (dry zero-span tensile), Test Method T 231 cm-22
Standards
Foreign particulate matter in pulp by transmitted light
The document searched has been withdrawn for technical reasons. Standards that have been withdrawn for technical reasons (including those that have been replaced by other Standards) are no longer available for distribution. See the Numerical Index and/or the Subject Index for Standards to determine if there are current documents that may meet your needs.
Standards
Basic density and moisture content of pulpwood, Test Method TAPPI/ANSI T 258 om-21
Basic density and moisture content of pulpwood, Test Method TAPPI/ANSI T 258 om-21
Standards
Determination of sodium, calcium, copper, iron and manganese in pulp and paper by atomic absorption spectroscopy, Test Method TAPPI/ANSI T 266 om-24
Determination of sodium, calcium, copper, iron and manganese in pulp and paper by atomic absorption spectroscopy, Test Method TAPPI/ANSI T 266 om-24