Guidelines for Supporting Specimens
Corrosive behavior of materials subjected to immersion, partial immersion, or vapor phase can have great variance. For this reason, specimens to be tested should be properly positioned. There are several important points to be considered when supporting specimens for exposure:
Each specimen location should be identified by sketch and recorded.
The corrosive media should have access to the coupons.
The test rack should have adequate corrosion resistance to endure the test.
Specimens should be electrically isolated from other metals unless galvanic effects are being studied.
Specimens should be located in easily accessible areas.
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