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ASTM G71-81(2019)
Standard Guide for Conducting and Evaluating Galvanic Corrosion Tests in Electrolytes
NORMA vydaná dňa 1.5.2019
Informácie o norme:
Označenie normy: ASTM G71-81(2019)
Dátum vydania normy: 1.5.2019
Kód tovaru: NS-951271
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM G71-81(2019) :
Keywords:
corrosion, dissimilar metals, galvanic corrosion, galvanic couple, zero resistance ammeter,, ICS Number Code 77.060 (Corrosion of metals)
Doplňujúce informácie
| Significance and Use | ||||||||||||
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3.1 Use of this guide is intended to provide information on the galvanic corrosion of metals in electrical contact in an electrolyte that does not have a flow velocity sufficient to cause erosion-corrosion or cavitation. 3.2 This standard is presented as a guide for conducting galvanic corrosion tests in liquid electrolyte solutions, both in the laboratory and in service environments. Adherence to this guide will aid in avoiding some of the inherent difficulties in such testing. |
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| 1. Scope | ||||||||||||
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1.1 This guide covers conducting and evaluating galvanic corrosion tests to characterize the behavior of two dissimilar metals in electrical contact in an electrolyte under low-flow conditions. It can be adapted to wrought or cast metals and alloys. 1.2 This guide covers the selection of materials, specimen preparation, test environment, method of exposure, and method for evaluating the results to characterize the behavior of galvanic couples in an electrolyte. Note 1: Additional information on galvanic corrosion testing
and examples of the conduct and evaluation of galvanic corrosion
tests in electrolytes are given in Refs (1)2
through 1.3 The values stated in SI units are to
be regarded as standard. No other units of measurement are included
in this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||
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