{"title":"Mechanical Properties of Sintered Al–Sn–Fe Alloys","authors":"N. M. Rusin, A. L. Skorentsev, K. O. Akimov","doi":"10.1134/S1029959924010077","DOIUrl":null,"url":null,"abstract":"<p>The paper analyzes the features of plastic flow in compression in sintered Al–Sn–Fe alloys, some of which were exposed to compaction in a closed die at a pressure of 300 MPa and temperature of 250°C, and some to equal-channel angular pressing by route A (ECAP-A) at the same temperature. The analysis shows that the sintered composites comprise agglomerates of Sn-cemented Al<sub>3</sub>Fe particles formed in place of Fe powder particles due to the interaction of Al and Fe in sintering. The agglomerates are strong but sufficiently ductile, due to Sn, to survive under deformation and to efficiently impede the propagation of strain localization bands and microcracks. In compression, such agglomerates in Al<i>–</i>20Sn<i>–</i>17Al<sub>3</sub>Fe hold their form, moving as solid units, while the composite displays good ductility. In ECAP-A, they extend in the direction of plastic flow, and this adversely affects their ductility in further compression.</p>","PeriodicalId":726,"journal":{"name":"Physical Mesomechanics","volume":"27 1","pages":"69 - 78"},"PeriodicalIF":1.8000,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physical Mesomechanics","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1134/S1029959924010077","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, CHARACTERIZATION & TESTING","Score":null,"Total":0}
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Abstract
The paper analyzes the features of plastic flow in compression in sintered Al–Sn–Fe alloys, some of which were exposed to compaction in a closed die at a pressure of 300 MPa and temperature of 250°C, and some to equal-channel angular pressing by route A (ECAP-A) at the same temperature. The analysis shows that the sintered composites comprise agglomerates of Sn-cemented Al3Fe particles formed in place of Fe powder particles due to the interaction of Al and Fe in sintering. The agglomerates are strong but sufficiently ductile, due to Sn, to survive under deformation and to efficiently impede the propagation of strain localization bands and microcracks. In compression, such agglomerates in Al–20Sn–17Al3Fe hold their form, moving as solid units, while the composite displays good ductility. In ECAP-A, they extend in the direction of plastic flow, and this adversely affects their ductility in further compression.
期刊介绍：
The journal provides an international medium for the publication of theoretical and experimental studies and reviews related in the physical mesomechanics and also solid-state physics, mechanics, materials science, geodynamics, non-destructive testing and in a large number of other fields where the physical mesomechanics may be used extensively. Papers dealing with the processing, characterization, structure and physical properties and computational aspects of the mesomechanics of heterogeneous media, fracture mesomechanics, physical mesomechanics of materials, mesomechanics applications for geodynamics and tectonics, mesomechanics of smart materials and materials for electronics, non-destructive testing are viewed as suitable for publication.
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