（1. School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China) （2. Suzhou Nuclear Power Research Institute, Suzhou 215004, China）
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Abstract:
Key problems of electrochemical noise techniques used in corrosion detecting and monitoring of nuclear power materials were discussed and resolved, and then the electrochemical noise test system was established based on zero resistance ammeter (ZRA) mode. Several electrochemical sensors for nuclear power field detecting were developed by using Pt of small area or working electrode with thermal spraying ceramic coating as counter electrode. Combined with Compact RIO modular instrument, the designed electrochemical noise test block could measure and acquire the current and potential noise simultaneously....