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ASTM F734-95(2011)

Historical Reaffirmation

Standard Test Method for Shear Strength of Fusion Bonded Polycarbonate Aerospace Glazing Material

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1.1 This test method determines the shear yield strength Fsy and shear ultimate strength Fsu of fusion bonds in polycarbonate by applying torsional shear loads to the fusion-bond line.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

At this writing, aerospace quality extruded transparent polycarbonate material is not available in thicknesses greater than 0.5 in. (12.7 mm). When a requirement exists for sheets thicker than 0.5 in. (12.7 mm), two or more sheets are fusion bonded together to form a single sheet of the desired thickness.

The structural integrity of the completed transparency depends on the integrity of the fusion bond. This test applies torsional shear loads to measure the structural integrity of the fusion bond. This test method is considered more reliable and more reproducible than shear tests in tension or compression.

SDO ASTM: ASTM International
Document Number F734
Publication Date Dec. 1, 2011
Language en - English
Page Count 5
Revision Level 95(2011)
Supercedes
Committee F07.08
Publish Date Document Id Type View
June 1, 2017 F0734-17 Revision
Jan. 1, 2001 F0734-95 Revision
May 1, 2022 F0734-17R22 Reaffirmation
Dec. 1, 2011 F0734-95R11 Reaffirmation
Nov. 1, 2006 F0734-95R06 Reaffirmation
Jan. 1, 2001 F0734-95R01 Reaffirmation