Published March 2022 | Version v1
Journal article Metadata-only

Corrosion release behavior of alloy 690 and its application in high-temperature water with Zn injection

Creators

  • 1. China Nuclear Power Technology Research Institute, Shenzhen (China)
  • 2. Chinese Academy of Sciences, Shenyang (China)

Description

Corrosion release behavior of Alloy 690 in high-temperature water was investigated under the conditions of injected Zn concentrations of 0 ppb, 10 ppb and 50 ppb. A protective oxide film composed of Zn(FexCr1-x)2O4 and Cr2O3 was formed with Zn injection, resulting in a better corrosion resistance. In comparison with the Zn-free condition, the corrosion release rate under the Zn-injection conditions was smaller. The corrosion release inhibiting factors were 1.7 and 1.9 under the conditions of 10 ppb and 50 ppb Zn-injection respectively. A foreseen application of the corrosion and corrosion release rates has been proposed and discussed

Additional details

Publishing Information

Journal Title
Nuclear Engineering and Technology
Journal Volume
54
Journal Issue
3
Series
29 refs, 9 figs, 4 tabs
Journal Page Range
p. 984-990
ISSN
1738-5733

INIS

Country of Publication
Korea, Republic of
Country of Input or Organization
Korea, Republic of
INIS RN
53091687
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
ABUNDANCE; ALLOYS; CHROMATES; CHROMIUM OXIDES; COMPARATIVE EVALUATIONS; CONCENTRATION RATIO; CORROSION; CORROSION RESISTANCE; ECOLOGICAL CONCENTRATION; FILMS; INJECTION; TEMPERATURE RANGE 0400-1000 K; WATER
Descriptors DEC
CHALCOGENIDES; CHEMICAL REACTIONS; CHROMIUM COMPOUNDS; DIMENSIONLESS NUMBERS; EVALUATION; HYDROGEN COMPOUNDS; INTAKE; OXIDES; OXYGEN COMPOUNDS; TEMPERATURE RANGE; TRANSITION ELEMENT COMPOUNDS