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ASTM-E2191:2008 Edition

ASTM-E2191:2008 Edition

$40.63

E2191-08 Standard Practice for Examination of Gas-Filled Filament-Wound Composite Pressure Vessels Using Acoustic Emission

Published By Publication Date Number of Pages
ASTM 2008 8
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ASTM E2191-08

Historical Standard: Standard Practice for Examination of Gas-Filled Filament-Wound Composite Pressure Vessels Using Acoustic Emission

ASTM E2191

Scope

1.1 This practice provides guidelines for acoustic emission (AE) examination of filament-wound composite pressure vessels, for example, the type used for fuel tanks in vehicles which use natural gas fuel.

1.2 This practice requires pressurization to a level equal to or greater than what is encountered in normal use. The tanks’ pressurization history must be known in order to use this practice. Pressurization medium may be gas or liquid.

1.3 This practice is limited to vessels designed for less than 5000 psi (340 bar) maximum allowable working pressure and water volume less than 2.5 ft3 (0.07 m3).

1.4 AE measurements are used to detect emission sources. Other nondestructive examination (NDE) methods may be used to gain additional insight into the emission source. Procedures for other NDE methods are beyond the scope of this practice.

1.5 This practice applies to examination of new and in-service filament-wound composite pressure vessels.

1.6 This practice applies to examinations conducted at ambient temperatures above 70Ā°F (21Ā°C). This practice may be used at ambient temperatures below 70Ā°F if provision has been made to fill to the tank’s rated pressure at 70Ā°F.

1.7 The values stated in inch-pound units are to be regarded as the standard. SI units which are in parentheses are for information only.

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. Specific precautionary statements are given in Section 8.

Keywords

acoustic emission; composite gas cylinders; composite pressure vessel; flaws; gas pressure vessels; NGV tanks; Acoustic emission (AE) testing–metals/metallic materials; Composite pressure vessels; Filament-wound pressure vessels; Gas cylinders; Gas pressure systems/applications; Industrial0 metals/alloys; Pressure vessels

ICS Code

ICS Number Code 17.140.01 (Acoustic measurements and noise abatement in general)

DOI: 10.1520/E2191-08

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
2 Terminology
Summary of Practice
Significance and Use
Basis of Application
3 Apparatus
FIG. 1
4 Safety Precautions
Calibration and Verification
Procedure
Report
5 Keywords
A1. INSTRUMENTATION SPECIFICATIONS
A1.1 Sensors
A1.2 Signal Cable
A1.3 Couplant
A1.4 Preamplifier
A1.5 Power/Signal Cable
A1.6 Power Supply
A1.7 Signal Processor
6 A2. FAST-FILL PRESSURIZATION SCHEDULE
A2.1
A2.2
A2.3
A2.4
A2.5
7 A3. SLOW-FILL PRESSURIZATION SCHEDULE
A3.1
A3.2
A3.3
A3.4
FIG. A2.1
FIG. A3.1
8 X1. EXAMPLE INSTRUMENT SETTINGS AND ACCEPTANCE CRITERIA BASED ON COUNTS
X1.1
X1.2
X1.3
X1.4
X1.5
X1.6
X1.7
X1.8
X1.9
TABLE X1.1

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