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ASTM D5573-99

Current Revision

Standard Practice for Classifying Failure Modes in Fiber-Reinforced-Plastic (FRP) Joints

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1.1 This practice covers the method of classifying, identifying, and characterizing the failure modes in adhesively bonded fiber-reinforced-plastic (FRP) joints. The FRP used in developing this practice consists of glass fibers in a thermoset-polyester-resin matrix, commonly referred to as sheet-molding compound, or SMC.

1.2 One objective of this practice is to present comprehensive definitions of possible failure modes to serve as a guide for contracts, drawings, product specifications and product performance.

Note 1-Figures 2 through 11 referred to in the practice are contained in the ASTM adjunct, Color Photographs of Failure Modes. Fig. 2-Side-by Side Comparison of Failure Modes Fig. 3-Adhesive Failure Fig. 4-Cohesive Failure Fig. 5-Thin-Layer Cohesive Failure Fig. 6-Fiber-Tear Failure Fig. 7-Light-Fiber-Tear Failure Fig. 8-Stock-Break Failure Fig. 9-Mixed Failure-40% Fiber-Tear Failure, 60% Light-Fiber- Tear Fiber Fig. 10-Mixed Failure-32% Adhesive Failure, 68% Fiber-Tear Failure Fig. 11-Mixed Failure-20%Adhesive Failure, 60% Light-Fiber-Tear Failure, 20% Fiber-Tear Failure Note 2-This practice may be used to describe the failure modes generated from testing, using procedures such as Test Methods D3163, D3164, D3165, D3807, D5041, and SAE J1525.

1.3 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.


SDO ASTM: ASTM International
Document Number D5573
Publication Date April 10, 1999
Language en - English
Page Count 3
Revision Level 99
Supercedes
Committee D14.40
Publish Date Document Id Type View
April 10, 1999 D5573-99 Revision
June 1, 2019 D5573-99R19 Reaffirmation
Oct. 1, 2012 D5573-99R12 Reaffirmation
April 1, 2005 D5573-99R05 Reaffirmation