A. S. Prosviryakov, A. I. Bazlov, M. S. Kishchik, A. V. Mikhaylovskaya
{"title":"多向锻造后机械合金化了 5 wt% Zr 的 Al-Cu-Mn 合金的显微组织和力学性能","authors":"A. S. Prosviryakov, A. I. Bazlov, M. S. Kishchik, A. V. Mikhaylovskaya","doi":"10.1007/s12540-024-01800-y","DOIUrl":null,"url":null,"abstract":"<p>Zr-containing aluminum-based alloys and especially Al-Zr composites have high thermal resistance due to the formation of Al<sub>3</sub>Zr dispersoids from supersaturated aluminum solid solution. The use of mechanical alloying can significantly increase the solubility of zirconium and improve the strength properties at elevated temperatures. The aim of the present work is to investigate the effect of multi-directional forging (MDF) on the microstructure and properties of Al-Cu-Mn alloy mechanically alloyed with 5 wt%Zr. Mechanical alloying was carried out by ball milling for 20 h at 300 rpm. The temperature of hot pressing and subsequent MDF operation was 400 °C. SEM, XRD and TEM were used to study the microstructure. In this work, it was shown that MDF leads to the formation of a poreless structure compared to hot pressing due to strain accumulation during hot deformation, as well as grain growth and microhardness reduction. At the same time, the highest compressive yield strength at 350 °C of 132 MPa was achieved after forging. The obtained material consisted of nanocrystalline aluminum matrix and secondary precipitates of Al<sub>3</sub>Zr with cubic (L1<sub>2</sub>) and tetragonal (D0<sub>23</sub>) lattices as well as Al<sub>20</sub>Cu<sub>2</sub>Mn<sub>3</sub> phase.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"117 1","pages":""},"PeriodicalIF":3.3000,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Microstructure and Mechanical Properties of Al-Cu-Mn Alloy Mechanically Alloyed with 5 wt% Zr After Multi-Directional Forging\",\"authors\":\"A. S. Prosviryakov, A. I. Bazlov, M. S. Kishchik, A. V. Mikhaylovskaya\",\"doi\":\"10.1007/s12540-024-01800-y\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Zr-containing aluminum-based alloys and especially Al-Zr composites have high thermal resistance due to the formation of Al<sub>3</sub>Zr dispersoids from supersaturated aluminum solid solution. The use of mechanical alloying can significantly increase the solubility of zirconium and improve the strength properties at elevated temperatures. The aim of the present work is to investigate the effect of multi-directional forging (MDF) on the microstructure and properties of Al-Cu-Mn alloy mechanically alloyed with 5 wt%Zr. Mechanical alloying was carried out by ball milling for 20 h at 300 rpm. The temperature of hot pressing and subsequent MDF operation was 400 °C. SEM, XRD and TEM were used to study the microstructure. In this work, it was shown that MDF leads to the formation of a poreless structure compared to hot pressing due to strain accumulation during hot deformation, as well as grain growth and microhardness reduction. At the same time, the highest compressive yield strength at 350 °C of 132 MPa was achieved after forging. The obtained material consisted of nanocrystalline aluminum matrix and secondary precipitates of Al<sub>3</sub>Zr with cubic (L1<sub>2</sub>) and tetragonal (D0<sub>23</sub>) lattices as well as Al<sub>20</sub>Cu<sub>2</sub>Mn<sub>3</sub> phase.</p><h3 data-test=\\\"abstract-sub-heading\\\">Graphical Abstract</h3>\",\"PeriodicalId\":703,\"journal\":{\"name\":\"Metals and Materials International\",\"volume\":\"117 1\",\"pages\":\"\"},\"PeriodicalIF\":3.3000,\"publicationDate\":\"2024-09-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metals and Materials International\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1007/s12540-024-01800-y\",\"RegionNum\":3,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metals and Materials International","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1007/s12540-024-01800-y","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Microstructure and Mechanical Properties of Al-Cu-Mn Alloy Mechanically Alloyed with 5 wt% Zr After Multi-Directional Forging
Zr-containing aluminum-based alloys and especially Al-Zr composites have high thermal resistance due to the formation of Al3Zr dispersoids from supersaturated aluminum solid solution. The use of mechanical alloying can significantly increase the solubility of zirconium and improve the strength properties at elevated temperatures. The aim of the present work is to investigate the effect of multi-directional forging (MDF) on the microstructure and properties of Al-Cu-Mn alloy mechanically alloyed with 5 wt%Zr. Mechanical alloying was carried out by ball milling for 20 h at 300 rpm. The temperature of hot pressing and subsequent MDF operation was 400 °C. SEM, XRD and TEM were used to study the microstructure. In this work, it was shown that MDF leads to the formation of a poreless structure compared to hot pressing due to strain accumulation during hot deformation, as well as grain growth and microhardness reduction. At the same time, the highest compressive yield strength at 350 °C of 132 MPa was achieved after forging. The obtained material consisted of nanocrystalline aluminum matrix and secondary precipitates of Al3Zr with cubic (L12) and tetragonal (D023) lattices as well as Al20Cu2Mn3 phase.
期刊介绍：
Metals and Materials International publishes original papers and occasional critical reviews on all aspects of research and technology in materials engineering: physical metallurgy, materials science, and processing of metals and other materials. Emphasis is placed on those aspects of the science of materials that are concerned with the relationships among the processing, structure and properties (mechanical, chemical, electrical, electrochemical, magnetic and optical) of materials. Aspects of processing include the melting, casting, and fabrication with the thermodynamics, kinetics and modeling.
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