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Korean Journal of Materials Research最新文献

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Effects of Sr Additions on the Interfacial Reaction Layers Formed between Liquid Al-Si-Cu Alloy and Cast Iron 添加Sr对液态Al-Si-Cu合金与铸铁界面反应层形成的影响
Korean Journal of Materials Research Pub Date : 2023-09-27 DOI: 10.3740/mrsk.2023.33.9.353
Kyoung-Min Min, Je-Sik Shin, Jeong-Min Kim
{"title":"Effects of Sr Additions on the Interfacial Reaction Layers Formed between Liquid Al-Si-Cu Alloy and Cast Iron","authors":"Kyoung-Min Min, Je-Sik Shin, Jeong-Min Kim","doi":"10.3740/mrsk.2023.33.9.353","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.9.353","url":null,"abstract":"This study investigated the growth behavior and characteristics of compounds formed at the interface between a liquid Al-Si-Cu alloy and solid cast iron. Through microstructural analyses, it was observed that various AlFe and AlFeSi phases are formed at the interface, and the relative proportion of each phase changes when small amounts of strontium are added to the Al alloy. The results of the microstructural analysis indicate that the primary phases of the interfacial compounds in the Al-Si-Cu base alloy are Al8Fe2Si and Al4.5FeSi. However, in the Sr-added alloys, significant amounts of binary AlFe intermetallic compounds such as Al5Fe2 and Al13Fe4 formed, in addition to the AlFeSi phases. The inclusion of Sr has a slight diminishing effect on the rate at which the interfacial compounds layer thickens during the time the liquid Al alloy is in contact with the cast iron. The study also discusses the nano-indentation hardness and micro-hardness of the interfacial phases.","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135635931","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
Preparation and Structure Properties of LaBa2Cu2O9, LaBa2CaCu3O12 and LaBa2Ca2Cu5O15 Perovskites LaBa2Cu2O9、LaBa2CaCu3O12和LaBa2Ca2Cu5O15钙钛矿的制备及结构性质
Korean Journal of Materials Research Pub Date : 2023-09-27 DOI: 10.3740/mrsk.2023.33.9.367
Kareem Ali Jasim, Hind Abdulmajeed Mahdi, Rafah Ismael Noori, Marwa Ayad Abdulmajeed
{"title":"Preparation and Structure Properties of LaBa2Cu2O9, LaBa2CaCu3O12 and LaBa2Ca2Cu5O15 Perovskites","authors":"Kareem Ali Jasim, Hind Abdulmajeed Mahdi, Rafah Ismael Noori, Marwa Ayad Abdulmajeed","doi":"10.3740/mrsk.2023.33.9.367","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.9.367","url":null,"abstract":"In this study we examine variations in the structure of perovskite compounds of LaBa2Cu2O9, LaBa2CaCu3O12 and LaBa2Ca2Cu5O15 synthesized using the solid state reaction method. The samples’ compositions were assessed using X-ray fluorescence (XRF) analysis. The La: Ba: Ca: Cu ratios for samples LaBa2Cu2O9, LaBa2CaCu3O12 and LaBa2Ca2Cu5O15 were found by XRF analysis to be around 1:2:0:2, 1:2:1:3, and 1:2:2:5, respectively. The samples’ well-known structures were then analyzed using X-ray diffraction. The three samples largely consist of phases 1202, 1213, and 1225, with a trace quantity of an unknown secondary phase, based on the intensities and locations of the diffraction peaks. According to the measured parameters a, b, and c, every sample has a tetragonal symmetry structure. Each sample’s mass density was observed to alter as the lead oxide content rose. Scanning electron microscope (SEM) images of the three phases revealed that different Ca-O and Cu-O layers can cause different grain sizes, characterized by elongated thin grains, without a preferred orientation.","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135635690","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
Microwave Dielectric Properties of (Mg1-xNix)(Ti0.95(Mg1/3Ta2/3)0.05)O3 Ceramics （Mg1-xNix）（Ti0.95（Mg1/3Ta2/3）0.05）O3陶瓷的微波介电性能
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-08-27 DOI: 10.3740/mrsk.2023.33.8.330
Ju Hye Kim, Si Hyun Kim, Eung Soo Kim
{"title":"Microwave Dielectric Properties of (Mg1-xNix)(Ti0.95(Mg1/3Ta2/3)0.05)O3 Ceramics","authors":"Ju Hye Kim, Si Hyun Kim, Eung Soo Kim","doi":"10.3740/mrsk.2023.33.8.330","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.8.330","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44036761","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
Surface Modification and Bioactivity Improvement of 3Y-TZP Substrate by Spray Coating of Hydroxyapatite/Fosterite Composite Powder 羟基磷灰石/扶植石复合粉末喷涂对3Y-TZP基材的表面改性及生物活性的提高
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-08-27 DOI: 10.3740/mrsk.2023.33.8.337
Y. Yun, Jong Kook Lee
{"title":"Surface Modification and Bioactivity Improvement of 3Y-TZP Substrate by Spray Coating of Hydroxyapatite/Fosterite Composite Powder","authors":"Y. Yun, Jong Kook Lee","doi":"10.3740/mrsk.2023.33.8.337","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.8.337","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":"139 ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41272988","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
Characteristics of Complex Foaming Composites’ Normal Pressure Foaming of Using Rubber and Bio-Degradable Materials 橡胶与生物降解材料复合发泡复合材料的常压发泡特性
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-08-27 DOI: 10.3740/mrsk.2023.33.8.323
Dong Hun Han, Young Min Kim, Dan Bi Lee, Kyu Hwan Lee, Han-Seong Kim
{"title":"Characteristics of Complex Foaming Composites’ Normal Pressure Foaming of Using Rubber and Bio-Degradable Materials","authors":"Dong Hun Han, Young Min Kim, Dan Bi Lee, Kyu Hwan Lee, Han-Seong Kim","doi":"10.3740/mrsk.2023.33.8.323","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.8.323","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44333848","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
Effect of Heat and Moisture on the Phase Transition in Dimethylammonium-Facilitated CsPbI3 Perovskite 热、湿对二甲铵促进CsPbI3钙钛矿相变的影响
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-08-27 DOI: 10.3740/mrsk.2023.33.8.344
Sohyun Kang, Seungmin Lee, Jungyun Noh
{"title":"Effect of Heat and Moisture on the Phase Transition in Dimethylammonium-Facilitated CsPbI3 Perovskite","authors":"Sohyun Kang, Seungmin Lee, Jungyun Noh","doi":"10.3740/mrsk.2023.33.8.344","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.8.344","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48852566","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
Green Synthesis of Colloidal and Nanostructured MnO2 by Solution Plasma Process 溶液等离子体法绿色合成胶体和纳米结构MnO2
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-07-27 DOI: 10.3740/mrsk.2023.33.7.315
Hyemin Kim
{"title":"Green Synthesis of Colloidal and Nanostructured MnO2 by Solution Plasma Process","authors":"Hyemin Kim","doi":"10.3740/mrsk.2023.33.7.315","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.7.315","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48123881","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
Artificial Neural Network Supported Prediction of Magnetic Properties of Bulk Metallic Glasses 人工神经网络支持的大块金属玻璃磁性能预测
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-07-27 DOI: 10.3740/mrsk.2023.33.7.273
Chun U Nam
{"title":"Artificial Neural Network Supported Prediction of Magnetic Properties of Bulk Metallic Glasses","authors":"Chun U Nam","doi":"10.3740/mrsk.2023.33.7.273","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.7.273","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47774403","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
Fabrication of Ceramic Filters via Binder Jetting Type 3D Printing Technology 利用粘结剂喷射式3D打印技术制备陶瓷过滤器
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-07-27 DOI: 10.3740/mrsk.2023.33.7.285
Mose Kwon, Jong-Han Choi, Kwang-Taek Hwang, J. Choi, Kyu-Sung Han, Ung-Soo Kim, Jin-Ho Kim
{"title":"Fabrication of Ceramic Filters via Binder Jetting Type 3D Printing Technology","authors":"Mose Kwon, Jong-Han Choi, Kwang-Taek Hwang, J. Choi, Kyu-Sung Han, Ung-Soo Kim, Jin-Ho Kim","doi":"10.3740/mrsk.2023.33.7.285","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.7.285","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41993967","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
Evaluation of Output Performance of Flexible Thermoelectric Energy Harvester Made of Organic-Inorganic Thermoelectric Films Based on PEDOT:PSS and PVDF Matrix 基于PEDOT:PSS和PVDF基体的有机-无机热电薄膜柔性热电采集器输出性能评价
IF 0.3
Korean Journal of Materials Research Pub Date : 2023-07-27 DOI: 10.3740/mrsk.2023.33.7.295
Yujin Na, Kwi‐Il Park
{"title":"Evaluation of Output Performance of Flexible Thermoelectric Energy Harvester Made of Organic-Inorganic Thermoelectric Films Based on PEDOT:PSS and PVDF Matrix","authors":"Yujin Na, Kwi‐Il Park","doi":"10.3740/mrsk.2023.33.7.295","DOIUrl":"https://doi.org/10.3740/mrsk.2023.33.7.295","url":null,"abstract":"","PeriodicalId":17864,"journal":{"name":"Korean Journal of Materials Research","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44266577","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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