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Standard Practice for Acoustic Emission Examination of Reinforced Thermosetting Resin Pipe (RTRP)
Name übersetzen
NORM herausgegeben am 1.12.2016
Bezeichnung normen: ASTM E1118/E1118M-16
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.12.2016
SKU: NS-669604
Zahl der Seiten: 13
Gewicht ca.: 39 g (0.09 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
adhesive joints, Felicity effect, Felicity ratio, FRP pipe, load hold, RTRP, zone location ,, ICS Number Code 23.040.20 (Plastic pipes)
Significance and Use | ||||||||||||||||||||||||
5.1 The AE examination method detects damage in RTRP. The damage mechanisms detected in RTRP are as follows: resin cracking, fiber debonding, fiber pullout, fiber breakage, delamination, and bond or thread failure in assembled joints. Flaws in unstressed areas and flaws which are structurally insignificant will not generate AE. 5.2 This practice is convenient for on-line use under operating conditions to determine structural integrity of in-service RTRP usually with minimal process disruption. 5.3 Flaws located with AE should be examined by other techniques; for example, visual, ultrasound, and dye penetrant, and may be repaired and retested as appropriate. Repair procedure recommendations are outside the scope of this practice. |
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1. Scope | ||||||||||||||||||||||||
1.1 This practice covers acoustic emission (AE) examination or monitoring of reinforced thermosetting resin pipe (RTRP) to determine structural integrity. It is applicable to lined or unlined pipe, fittings, joints, and piping systems. 1.2 This practice is applicable to pipe that is fabricated with fiberglass and carbon fiber reinforcements with reinforcing contents greater than 15 % by weight. The suitability of these procedures must be demonstrated before they are used for piping that is constructed with other reinforcing materials. 1.3 This practice is applicable to tests below pressures of 35 MPa absolute [5000 psia]. 1.4 This practice is limited to pipe up to and including 0.6 m [24 in.] in diameter. Larger diameter pipe can be examined with AE, however, the procedure is outside the scope of this practice. 1.5 This practice applies to examinations of new or in-service RTRP. 1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.7 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 to determine
the applicability of regulatory limitations prior to use.
Standard Specification for Agencies
Performing Nondestructive Testing Personnel Qualification and Certification
in Nondestructive Testing ISO 9712 Personnel Qualification and Certification
in Nondestructive Testing Standard Practice for Verifying the
Consistency of AE-Sensor Response Using an Acrylic Rod Standard Guide for Mounting Piezoelectric
Acoustic Emission Sensors Standard Terminology for Nondestructive
Examinations Standard Practice for Secondary
Calibration of Acoustic Emission Sensors Standard Practice for Characterizing
Acoustic Emission Instrumentation Standard Guide for Determining the
Reproducibility of Acoustic Emission Sensor Response Standard Test Method for Primary
Calibration of Acoustic Emission Sensors Standard Terminology Relating to
Plastics |
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