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Three-dimensional Computational Modeling and Simulation of Intergranular Corrosion Propagation of Stainless Steel 不锈钢晶间腐蚀扩展的三维计算建模与仿真
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-06-30 DOI: 10.14773/CST.2021.20.3.105
T. Igarashi, A. Komatsu, T. Motooka, F. Ueno, M. Yamamoto
{"title":"Three-dimensional Computational Modeling and Simulation of Intergranular Corrosion Propagation of Stainless Steel","authors":"T. Igarashi, A. Komatsu, T. Motooka, F. Ueno, M. Yamamoto","doi":"10.14773/CST.2021.20.3.105","DOIUrl":"https://doi.org/10.14773/CST.2021.20.3.105","url":null,"abstract":"In oxidizing nitric acid solutions, stainless steel undergoes intergranular corrosion accompanied by grain dropping and changes in the corrosion rate. For the safe operation of reprocessing plants, this mechanism should be understood. In this study, we constructed a three-dimensional computational model using a cellular automata method to simulate the intergranular corrosion propagation of stainless steel. The computational model was constructed of three types of cells: grain (bulk), grain boundary (GB), and solution cells. Model simulations verified the relationship between surface roughness during corrosion and dispersion of the dissolution rate of the GB. The relationship was investigated by simulation applying a constant dissolution rate and a distributed dissolution rate of the GB cells. The distribution of the dissolution rate of the GB cells was derived from the intergranular corrosion depth obtained by corrosion tests. The constant dissolution rate of the GB was derived from the average dissolution rate. Surface roughness calculated by the distributed dissolution rates of the GBs of the model was greater than the constant dissolution rates of the GBs. The cross-sectional images obtained were comparable to the corrosion test results. These results indicate that the surface roughness during corrosion is associated with the distribution of the corrosion rate.","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"105-111"},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42126351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
스테인리스 스틸의 표면 산화피막 성장과 내부식성 상관관계 不锈钢表面氧化皮膜生长与内部食性相关
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-06-30 DOI: 10.14773/CST.2021.20.3.152
박영주, 유진석, 심성구, 정찬영
{"title":"스테인리스 스틸의 표면 산화피막 성장과 내부식성 상관관계","authors":"박영주, 유진석, 심성구, 정찬영","doi":"10.14773/CST.2021.20.3.152","DOIUrl":"https://doi.org/10.14773/CST.2021.20.3.152","url":null,"abstract":"Stainless steel is a metal that does not generate rust. Due to its excellent workability, economic feasibility, and corrosion resistance, it is used in various industrial fields such as ships, piping, nuclear power, and machinery. However, stainless steel is vulnerable to corrosion in harsh environments. To solve this problem, its corrosion resistance could be improved by electrochemically forming an anodized film on its surface. In this study, 316L stainless steel was anodized at room temperature with ethylene glycol-based 0.1 M NH4F and 0.1M H2O electrolyte to adjust the thickness of the oxide film using different anodic oxidation voltages (30 V, 50 V, and 70 V) with time control. The anodic oxidation experiment was performed by increasing the time from 1 hour to 7 hours at 2-hour intervals. Corrosion resistance according to the thickness of the anodic oxide film was observed. Electrochemical corrosion behavior of oxide films was investigated through polarization experiments.","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"152-157"},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48341863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A way Analyzing Oxide Layer on an Irradiated CANDU-PHWR Pressure Tube Using an EPMA and X-ray Image Mapping 用EPMA和x射线成像分析辐照CANDU-PHWR压力管氧化层的方法
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-06-30 DOI: 10.14773/CST.2021.20.3.118
Y. Jung, Heemoon Kim
{"title":"A way Analyzing Oxide Layer on an Irradiated CANDU-PHWR Pressure Tube Using an EPMA and X-ray Image Mapping","authors":"Y. Jung, Heemoon Kim","doi":"10.14773/CST.2021.20.3.118","DOIUrl":"https://doi.org/10.14773/CST.2021.20.3.118","url":null,"abstract":"The oxide layer in samples taken from an irradiated Zr-2.5Nb pressure tube from a CANDU-PHWR reactor was analyzed using electron probe microanalysis (EPMA). The examined tube had been exposed to temperatures ranging from 264 to 306 ℃ and a neutron fluence of 8.9 × 1021 n/㎠ (E > 1 MeV) for the maximum 10 effective full-power years in a nuclear power plant. Measuring oxide layer thickness generally employs optical microscopy. However, in this study, analysis of the oxide layer from the irradiated pressure tube components was undertaken through X-ray image mapping obtained using EPMA. The oxide layer characteristics were analyzed by X-ray image mapping with 256 × 256 pixels using EPMA. In addition, the slope of the oxide layer was measured for each location. A particular advantage of this study was that backscattered electrons and X-ray image mapping were obtained at a magnification of 9,000 when 20 kV volts and 30 uA of current were applied to radiation-shielded EPMA. The results of this study should usefully contribute to the study of the oxide layer properties of various types of metallic materials irradiated by high radiation in nuclear power plants.","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"118-128"},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42647511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Enhancement of the Corrosion Resistance of CrN Film Deposited by Inductively Coupled Plasma Magnetron Sputtering 电感耦合等离子体磁控溅射增强CrN膜的耐蚀性
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-06-30 DOI: 10.14773/CST.2021.20.3.112
S. Chun, Seong-Jong Kim
{"title":"Enhancement of the Corrosion Resistance of CrN Film Deposited by Inductively Coupled Plasma Magnetron Sputtering","authors":"S. Chun, Seong-Jong Kim","doi":"10.14773/CST.2021.20.3.112","DOIUrl":"https://doi.org/10.14773/CST.2021.20.3.112","url":null,"abstract":"Inductively coupled plasma magnetron sputtering (ICPMS) has the advantage of being able to dramatically improve coating properties by increasing the plasma ionization rate and the ion bombardment effect during deposition. Thus, this paper presents the comparative results of CrN films deposited by direct current magnetron sputtering (dcMS) and ICPMS systems. The structure, microstructure, and mechanical and corrosive properties of the CrN coatings were investigated by X-ray diffractometry, scanning electron microscopy, nanoindentation, and corrosion-resistance measurements. The as-deposited CrN films by ICPMS grew preferentially on a 200 plane compared to dcMS on a 111 plane. As a result, the films deposited by ICPMS had a very compact microstructure with high hardness. The nanoindentation hardness reached 19.8 GPa, and 13.5 GPa by dcMS. The corrosion current density of CrN film prepared by ICPMS was about 9.8 × 10 -6 mA/cm 2 , which was 1/470 of 4.6 × 10 -3 mA/cm 2 , the corrosion current density of CrN film prepared by dcMS.","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"112-117"},"PeriodicalIF":0.6,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47206649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrosion Failure Analysis of Condensate Pre-Heater in Heat Recovery Steam Generator, 배열회수보일러 복수예열기 부식 파손 분석 Corrosion Failure Analysis of Condensate Pre-Heater in Heat Recovery Steam Generator，排列回收锅炉复数预热器腐蚀破损分析
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-04-30 DOI: 10.14773/CST.2021.20.2.69
Hobyung Chae, W. Kim, Heesan Kim, Jung-Gu Kim, Kyung Min Kim, Soo Yeol Lee, 채호병, 김우철, 김희산, 김정구, 김경민, 이수열
{"title":"Corrosion Failure Analysis of Condensate Pre-Heater in Heat Recovery Steam Generator, 배열회수보일러 복수예열기 부식 파손 분석","authors":"Hobyung Chae, W. Kim, Heesan Kim, Jung-Gu Kim, Kyung Min Kim, Soo Yeol Lee, 채호병, 김우철, 김희산, 김정구, 김경민, 이수열","doi":"10.14773/CST.2021.20.2.69","DOIUrl":"https://doi.org/10.14773/CST.2021.20.2.69","url":null,"abstract":"","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"69-76"},"PeriodicalIF":0.6,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42281407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effect of Aircraft Parking Environment on Atmospheric Corrosion Severity, 항공기 주기환경이 대기부식위험도에 미치는 영향 The Effect of Aircraft Parking Environment on Atmospheric Corrosion Severity，飞机周期环境对空气腐蚀危险度的影响
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-04-30 DOI: 10.14773/CST.2021.20.2.94
Ju-Heon Yun, Dooyoul Lee, Sungryul Park, Minseng Kim, Dong-Zin Choi
{"title":"The Effect of Aircraft Parking Environment on Atmospheric Corrosion Severity, 항공기 주기환경이 대기부식위험도에 미치는 영향","authors":"Ju-Heon Yun, Dooyoul Lee, Sungryul Park, Minseng Kim, Dong-Zin Choi","doi":"10.14773/CST.2021.20.2.94","DOIUrl":"https://doi.org/10.14773/CST.2021.20.2.94","url":null,"abstract":"","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"94-104"},"PeriodicalIF":0.6,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48692913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The Effect of Seawater Temperature on the Electrochemical Corrosion Behaviour of Stainless Steels and Anodized Aluminum Alloys, 스테인리스강과 양극산화된 알루미늄 합금의 전기화학적 부식특성에 미치는 해수온도의 영향 海水温度对不锈钢和阳极氧化铝合金电化学腐蚀特性的影响
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-04-30 DOI: 10.14773/CST.2021.20.2.85
S. Chong, Seong-Jong Kim, 정상옥, 김성종
{"title":"The Effect of Seawater Temperature on the Electrochemical Corrosion Behaviour of Stainless Steels and Anodized Aluminum Alloys, 스테인리스강과 양극산화된 알루미늄 합금의 전기화학적 부식특성에 미치는 해수온도의 영향","authors":"S. Chong, Seong-Jong Kim, 정상옥, 김성종","doi":"10.14773/CST.2021.20.2.85","DOIUrl":"https://doi.org/10.14773/CST.2021.20.2.85","url":null,"abstract":"","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"85-93"},"PeriodicalIF":0.6,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45212096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An Investigation on Application of Experimental Design and Linear Regression Technique to Predict Pitting Potential of Stainless Steel 试验设计与线性回归技术在不锈钢点蚀电位预测中的应用研究
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-04-30 DOI: 10.14773/CST.2021.20.2.52
K. Jung, Seong-Jong Kim
{"title":"An Investigation on Application of Experimental Design and Linear Regression Technique to Predict Pitting Potential of Stainless Steel","authors":"K. Jung, Seong-Jong Kim","doi":"10.14773/CST.2021.20.2.52","DOIUrl":"https://doi.org/10.14773/CST.2021.20.2.52","url":null,"abstract":"","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"52-61"},"PeriodicalIF":0.6,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48313750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Investigation of Pulse Anodization Duty Ratio and Sealing Treatment on the Corrosion Behavior of the Anodic Coating Layer in Magnesium AZ31B 脉冲阳极氧化占空比及密封处理对AZ31B镁阳极镀层腐蚀行为的影响
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-04-30 DOI: 10.14773/CST.2021.20.2.45
A. Setiawan, Muhammad Dani Rachman
{"title":"An Investigation of Pulse Anodization Duty Ratio and Sealing Treatment on the Corrosion Behavior of the Anodic Coating Layer in Magnesium AZ31B","authors":"A. Setiawan, Muhammad Dani Rachman","doi":"10.14773/CST.2021.20.2.45","DOIUrl":"https://doi.org/10.14773/CST.2021.20.2.45","url":null,"abstract":"","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"45-51"},"PeriodicalIF":0.6,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46373006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Experimental Investigation of the Application of Artificial Neural Network Techniques to Predict the Cyclic Polarization Curves of AL-6XN Alloy with Sensitization 应用人工神经网络技术预测AL-6XN合金敏化循环极化曲线的实验研究
IF 0.6
Corrosion Science and Technology-Korea Pub Date : 2021-04-30 DOI: 10.14773/CST.2021.20.2.62
K. Jung, Seong-Jong Kim
{"title":"An Experimental Investigation of the Application of Artificial Neural Network Techniques to Predict the Cyclic Polarization Curves of AL-6XN Alloy with Sensitization","authors":"K. Jung, Seong-Jong Kim","doi":"10.14773/CST.2021.20.2.62","DOIUrl":"https://doi.org/10.14773/CST.2021.20.2.62","url":null,"abstract":"","PeriodicalId":43201,"journal":{"name":"Corrosion Science and Technology-Korea","volume":"20 1","pages":"62-68"},"PeriodicalIF":0.6,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46716268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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