ASTM-E2076 2010

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E2076/E2076M-10 Standard Practice for Examination of Fiberglass Reinforced Plastic Fan Blades Using Acoustic Emission

Published By	Publication Date	Number of Pages
ASTM	2010	6

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Category: ASTM

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Description

1.1 This practice provides guidelines for acoustic emission (AE) examinations of fiberglass reinforced plastic (FRP) fan blades of the type used in industrial cooling towers and heat exchangers.

1.2 This practice uses simulated service loading to determine structural integrity.

1.3 This practice will detect sources of acoustic emission in areas of sensor coverage that are stressed during the course of the examination.

1.4 This practice applies to examinations of new and in-service fan blades.

1.5 This practice is limited to fan blades of FRP construction, with length (hub centerline to tip) of less than 3 m [10 ft], and with fiberglass content greater than 15 % by weight.

1.6 AE measurements are used to detect emission sources. Other nondestructive examination (NDE) methods may be used to evaluate the significance of AE sources. Procedures for other NDE methods are beyond the scope of this practice.

1.7 Units 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.

1.8 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.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Practice
2	Significance and Use Basis of Application Apparatus FIG. 1
3	Safety Precautions Calibration and Standardization Test Procedure FIG. 2
4	Evaluation Report Keywords A1. INSTRUMENTATION SPECIFICATIONS A1.1 Sensors A1.2 Signal Cable
5	A1.3 Couplant A1.4 Preamplifier A1.5 Power/Signal Cable A1.6 Power Supply A1.7 Signal Processor X1. EXAMPLE INSTRUMENT SETTINGS & ACCEPTANCE CRITERIA X1.1 X1.2 X1.3 Acceptance Criteria
6	TABLE X1.1

Additional information

Standard Title	E2076/E2076M-10 Standard Practice for Examination of Fiberglass Reinforced Plastic Fan Blades Using Acoustic Emission
Published Code	ASTM
Publication Date	2010
Pages Count	6

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ASTM-E2076 2010

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