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Grain refinement of AM60/Al2O3p magnesium metal matrix composites processed by ECAE ECAE处理AM60/ al2o3金属镁基复合材料的晶粒细化
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2013_6_357
S. Huang, P. Lin
{"title":"Grain refinement of AM60/Al2O3p magnesium metal matrix composites processed by ECAE","authors":"S. Huang, P. Lin","doi":"10.4149/km_2013_6_357","DOIUrl":"https://doi.org/10.4149/km_2013_6_357","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"124 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76264449","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
Graphene nanoplatelets reinforced aluminum alloy matrix composites produced by spark plasma sintering 火花等离子烧结制备石墨烯纳米片增强铝合金基复合材料
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2021_4_237
V. Puchý, M. Podobová, R. Džunda, P. Hvizdoš, O. Velgosova, M. Besterci,, B. Ballóková
{"title":"Graphene nanoplatelets reinforced aluminum alloy matrix composites produced by spark plasma sintering","authors":"V. Puchý, M. Podobová, R. Džunda, P. Hvizdoš, O. Velgosova, M. Besterci,, B. Ballóková","doi":"10.4149/km_2021_4_237","DOIUrl":"https://doi.org/10.4149/km_2021_4_237","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"116 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76879691","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
Microstructural characterization and phase constituents near the interfaces of TiC-Al2O3/Q235 diffusion bonds TiC-Al2O3/Q235扩散键界面附近的显微组织表征和相组成
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2010_3_173
W. Huang, Y. Li, J. Wang
{"title":"Microstructural characterization and phase constituents near the interfaces of TiC-Al2O3/Q235 diffusion bonds","authors":"W. Huang, Y. Li, J. Wang","doi":"10.4149/km_2010_3_173","DOIUrl":"https://doi.org/10.4149/km_2010_3_173","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"245 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76114801","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
Influence of aging and annealing processes on the properties of TiB2 particulate reinforced aluminum composites produced by powder metallurgy 时效和退火工艺对粉末冶金制备TiB2颗粒增强铝复合材料性能的影响
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/KM_2021_1_21
D. Zalaoğlu, M. Übeyli
{"title":"Influence of aging and annealing processes on the properties of TiB2 particulate reinforced aluminum composites produced by powder metallurgy","authors":"D. Zalaoğlu, M. Übeyli","doi":"10.4149/KM_2021_1_21","DOIUrl":"https://doi.org/10.4149/KM_2021_1_21","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"2 1","pages":"21-38"},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73950102","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
Evaluation of the microstructure and properties of Cr3C2 powders added to Vanadis 4 alloy steel via vacuum sintering and heat treatments 真空烧结和热处理对钒4合金钢中添加Cr3C2粉末的组织和性能的影响
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2019_5_317
S. H. Chang, K. Lee, K. Huang, T. Yang
{"title":"Evaluation of the microstructure and properties of Cr3C2 powders added to Vanadis 4 alloy steel via vacuum sintering and heat treatments","authors":"S. H. Chang, K. Lee, K. Huang, T. Yang","doi":"10.4149/km_2019_5_317","DOIUrl":"https://doi.org/10.4149/km_2019_5_317","url":null,"abstract":"In this research, different ratios (1, 3, and 5 mass%) of chromium carbide (Cr3C2) powders were added to Vanadis 4 alloy steel powders. The various components of the powders underwent vacuum sintering at 1235, 1250, and 1265◦C for 1 h. The heat treatment process included quenched, sub-zero, and tempering treatment afterward. The results showed that the alloy with the addition of 5 mass% Cr3C obtained the optimal mechanical properties after sintering at the temperature of 1250◦C for 1 h. Meanwhile, the apparent porosity decreased to 0.04 %; the transverse rupture strength (TRS) and hardness reached 1821.2 MPa and 82.4 HRA, respectively. However, the hardness declined slightly to 82.3 HRA, but the TRS substantially increased to 2085.0 MPa. The decrease in hardness could be ascribed to the release of internal stress after the tempering process. Significantly, the alloy with a series of heat treatment processes was effective in enhancing strengthening TRS of the Vanadis 4 composites. K e y w o r d s: chromium carbide, Vanadis 4 alloy steel, vacuum sintering, porosity, transverse rupture strength, sub-zero treatment","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82054249","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
Vibration welding of high density polyehylene HDPE - purpose, application, weldingtechnology and quality of joints 高密度聚乙烯(HDPE)振动焊接的目的、应用、焊接工艺及接头质量
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2013_1_63
A. Kiszka, M. Lomozik
{"title":"Vibration welding of high density polyehylene HDPE - purpose, application, weldingtechnology and quality of joints","authors":"A. Kiszka, M. Lomozik","doi":"10.4149/km_2013_1_63","DOIUrl":"https://doi.org/10.4149/km_2013_1_63","url":null,"abstract":"The article describes the problems of vibration welding as an alternative method of joining thermoplastics. This technology makes possible to join polymers in only several seconds. This method can be successfully applied for joining of wood as well. The process of polymers joining has been described in details using the example high density polyethylene which is one of the most commonly used thermoplastics. Examination of welded joints has been presented. The authors focused on the macroand microscopic examinations which make possible to examine the structure of vibration welded joints in polyethylene HDPE (high density polyethylene). The examples of microand macrostructures have been shown. K e y w o r d s: thermoplastics, high density polyethylene, HDPE, vibration welding","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"42 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86560188","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: 3
Evaluation of microstructure and fatigue properties of dissimilar AA7075/AA6061 joints produced by friction stir welding 异种AA7075/AA6061搅拌摩擦焊接接头显微组织及疲劳性能评价
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2012_4_259
F. Sarsılmaz, N. Ozdemir, I. Kirik
{"title":"Evaluation of microstructure and fatigue properties of dissimilar AA7075/AA6061 joints produced by friction stir welding","authors":"F. Sarsılmaz, N. Ozdemir, I. Kirik","doi":"10.4149/km_2012_4_259","DOIUrl":"https://doi.org/10.4149/km_2012_4_259","url":null,"abstract":"","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"67 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86080864","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: 6
Compaction and solid state sintering behavior of Cu-20%wt ZnO powders Cu-20%wt氧化锌粉体的压实和固态烧结性能
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2013_6_367
M. Ardestani
{"title":"Compaction and solid state sintering behavior of Cu-20%wt ZnO powders","authors":"M. Ardestani","doi":"10.4149/km_2013_6_367","DOIUrl":"https://doi.org/10.4149/km_2013_6_367","url":null,"abstract":"In this research, compaction behavior and solid state sinterability of Cu-20wt.%ZnO powders were investigated. The compressibility of the powders was evaluated using Heckel and Panelli-Ambrosio equations. The powders were compacted uniaxially by 50, 100, 200 and 300 MPa at room temperature. The cold compacted powders were sintered at 850 and 1000◦C. The results showed that by increasing cold compaction pressure and sintering temperature the density of sintered compacts improved significantly. Additionally, it was found that the largest increase of density during sintering process was observed in the samples with relatively low green densities. The microstructural evaluation of the sintered samples by scanning electron microscopy (SEM) demonstrated that increasing the sintering temperature and cold compaction pressure resulted in decreasing the volume fraction of the pores and also their dimensions. However, it was confirmed that sintering temperature had more effective role on elimination of porosities rather than cold compaction pressure. The highest density was achieved for the samples which were compacted by 300 MPa and sintered at 1000◦C. K e y w o r d s: metal matrix composites (MMC), powder consolidation, sintering","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90084780","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
Crack identification using elastic waves: a boundary element method 弹性波裂纹识别:边界元法
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2013_5_311
N. Flores-Guzman, J. Núñez-Farfán, E. Olivera-Villaseñor, J. E. Rodríguez-Sánchez, C. Ortiz-Alemán, M. Orozco-del-Castillo, A. Rodríguez-Castellanos
{"title":"Crack identification using elastic waves: a boundary element method","authors":"N. Flores-Guzman, J. Núñez-Farfán, E. Olivera-Villaseñor, J. E. Rodríguez-Sánchez, C. Ortiz-Alemán, M. Orozco-del-Castillo, A. Rodríguez-Castellanos","doi":"10.4149/km_2013_5_311","DOIUrl":"https://doi.org/10.4149/km_2013_5_311","url":null,"abstract":"This work is aimed to obtain numerical results that allow the detection and characterization of subsurface discontinuities in metallic materials by the application of Rayleigh compression and shear elastic waves. The solution is obtained from boundary integral equations, which belong to the field of elasto-dynamics. Subsequent to the implementation of the boundary conditions, a system of Fredholm’s integral equation of second kind and zero order is obtained in frequency domain, which is solved using the method of Gaussian elimination. Resonance peaks arise from analysis in frequency domain allowing inferring the presence of discontinuities. Aluminum, copper, steel, molybdenum, titanium and tungsten materials were analyzed, however, a greater emphasis on the steel properties was considered due to its extended use. Results obtained are in agreement with those published in references. K e y w o r d s: crack detection, elastic waves, Rayleigh’s waves, discontinuities, boundary element method","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"58 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75106029","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
Microstructural, mechanical and dry sliding wear properties of the MgO reinforced aluminium matrix composites produced by vacuum infiltration 真空浸渗制备MgO增强铝基复合材料的显微组织、力学性能和干滑动磨损性能
Metallic Materials Pub Date : 2021-01-01 DOI: 10.4149/km_2014_2_77
O. Bican
{"title":"Microstructural, mechanical and dry sliding wear properties of the MgO reinforced aluminium matrix composites produced by vacuum infiltration","authors":"O. Bican","doi":"10.4149/km_2014_2_77","DOIUrl":"https://doi.org/10.4149/km_2014_2_77","url":null,"abstract":"Dry sliding wear properties of MgO (10–40 vol.%) reinforced aluminium matrix composites produced by vacuum infiltration method were investigated using a pin-on-disc test machine after examining their microstructural and mechanical properties. The hardness of the composites increased continuously with increasing MgO content and the highest hardness (71 HB) was obtained for Al-40vol.%MgO. The highest tensile strength (139 MPa) and the lowest porosity (1.3 %) were obtained for Al-20vol.%MgO composite. It was observed that the wear volume of the composites increased with increasing load and sliding speed. Wear resistance of the composites tested was observed to be strongly dependent on their tensile strength and porosity rather than their hardness. Although adhesion and abrasion took place during the wear of tested composites, smearing appeared to be the most effective wear mechanism for the composites contaning up to 20 vol.% MgO, while abrasive wear dominated for the Al-30vol.%MgO and Al-40vol.% MgO composites. K e y w o r d s: vacuum infiltration, mechanical properties, MgO, aluminium matrix composites, wear","PeriodicalId":18519,"journal":{"name":"Metallic Materials","volume":"314 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76279931","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: 3
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