corrosion coupon


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corrosion coupon

[kə′rō·zhən ‚kü‚pän]
(chemical engineering)
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References in periodicals archive ?
For low temperature performance testing, two weight loss corrosion coupons made of mild steel were used.
8 mm involving active corrosion were unlikely in view of the insulation of the pipe, the effective cathodic corrosion protection, the inspected corrosion coupons that had been buried and exposed to the same conditions as the pipeline to determine the rate, and the sufficient input of cathodic protection current.
That is primarily because the industry has relied on conventional corrosion-monitoring techniques such as pigging and corrosion coupons that do not provide real-time information but rather focus on historical analysis.
These devices can be thought of as electronic corrosion coupons, but unlike traditional coupons that must be removed and weighed, the value of metal loss can be measured remotely at any time without removing the device from service.
Conventional monitoring techniques such as corrosion coupons and probes did not detect the problem.
Corrosion coupons have now confirmed effective corrosion control in all portions of the line.
Bottom-line corrosion coupons at the end of the line also showed improvement due to better inhibitor distribution throughout the length of the line (Figs 7 and 8).
The reduction in corrosion rates of corrosion coupons
Increased use of onstream corrosion monitoring devices, including linear polarization resistance (LPR), electrical resistance (ER) type corrosion probes and corrosion coupons, to monitor for changes in the corrosivity of the produced fluids.