|Series||Technical reports / Royal Aircraft Establishment -- 67022|
|Contributions||Royal Aircraft Establishment.|
The snatch-tearing method developed by Swallow and Mikolajewski has been used to compare the response to a tearing agency of six biaxially-tensioned fabrics. The sum of the warpwise and weftwise torn lengths has been taken as the criterion of tear. Analysis of variance has been made and response equations determined, characterising the length of tear in terms of the significant factors. Apparatus for tearing fabrics in a time of sec is described. Energy is applied by means of a falling weight which impacts a nail of known diameter inserted in a biaxially horizontally and vertically tensioned fabric. The tearing of a light-weight nylon fabric has been studied in factorial experiments. Analysis of variance shows that the horizontal tension and energy input are the most. J. Hu, K.M. Babu, in Fabric Testing, Test for tearing strength. The tearing strengths of pristine woven cotton and titania coated cotton before and after 20 h of light irradiation may be measured by an Elmendorf Tearing Tester (Thwing-Albert Instrument Co.) in accordance with ASTM D The tearing strength results are analyzed before and after irradiation treatment for coated. The volume Annual Book of ASTM Standards, available in print and online, contain o standards written by ASTM technical committees. The standards referenced in this course were developed by Committee D13 on Textiles.
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