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Description of ASTM-D5573 2012ASTM D5573 - 99(2012)Standard Practice for Classifying Failure Modes in Fiber-Reinforced-Plastic (FRP) JointsActive Standard ASTM D5573 | Developed by Subcommittee: D14.40 Book of Standards Volume: 15.06 ASTM D5573Significance and Use 4.1 This practice provides a simple means of classifying failure modes for adhesively bonded FRP joints. 4.2 Each failure mode classification is based solely on a visual observation of the failure surface without the aid of a microscope or other means to magnify the surface. 4.3 Except for the line-drawing representations given, this practice does not contain descriptions of failure modes possible when using adhesion promoters. However, similar analogies to the failure modes described herein can be made. 4.4 This practice does not address the acceptability of any specific failure mode. 1. Scope 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. 2
Fig. 2Side-by Side Comparison of Failure Modes Fig. 3Adhesive Failure Fig. 4Cohesive Failure Fig. 5Thin-Layer Cohesive Failure Fig. 6Fiber-Tear Failure Fig. 7Light-Fiber-Tear Failure Fig. 8Stock-Break Failure Fig. 9Mixed Failure40?% Fiber-Tear Failure, 60?% Light-Fiber-Tear Fiber Fig. 10Mixed Failure32?% Adhesive Failure, 68?% Fiber-Tear Failure Fig. 11Mixed Failure20?% 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 , D5868 , and SAE J1525 .
1.3 The values stated in SI units are to be regarded as the standard. 1.4 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.
ASTM Standards D907 Terminology of Adhesives D3163 Test Method for Determining Strength of Adhesively Bonded Rigid Plastic Lap-Shear Joints in Shear by Tension Loading D3164 Test Method for Strength Properties of Adhesively Bonded Plastic Lap-Shear Sandwich Joints in Shear by Tension Loading D3165 Test Method for Strength Properties of Adhesives in Shear by Tension Loading of Single-Lap-Joint Laminated Assemblies D3807 Test Method for Strength Properties of Adhesives in Cleavage Peel by Tension Loading (Engineering Plastics-to-Engineering Plastics) D5041 Test Method for Fracture Strength in Cleavage of Adhesives in Bonded Joints D5868 Test Method for Lap Shear Adhesion for Fiber Reinforced Plastic (FRP) Bonding SAE Standard SAEJ1525 SAE Recommended Practice--Lap Shear Test for Automotive-Type Adhesives for Fiber Reinforced Plastic (FRP) Bonding Available from SAE International (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http://aerospace.sae.org.Keywords adhesive bond; failure mode; fiber-reinforced plastic; FRP; practice; ICS Code ICS Number Code 83.120 (Reinforced plastics) DOI: 10.1520/D5573-99R12 ASTM International is a member of CrossRef. ASTM D5573This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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