Gradient composites Al2O3-Ni obtained via the CSC technique in a magnetic field - microstructure and mechanical properties

被引：0

作者：

Zygmuntowicz, Justyna ^{[1
]}

Kosiorek, Magdalena ^{[2
,3
]}

Piotrkiewicz, Paulina ^{[1
]}

Wachowski, Marcin ^{[4
]}

Szachogluchowicz, Ireneusz ^{[4
]}

Kaszuwara, Waldemar ^{[1
]}

Konopka, Katarzyna ^{[1
]}

Falkowski, Pawel ^{[5
]}

Piątek, Milena ^{[6
]}

机构：

[1] Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Woloska St., Warsaw,02-507, Poland

[2] Institute of Power Engineering – National Research Institute, 8 Mory St., Warsaw,01-330, Poland

[3] Warsaw University of Technology, Faculty of Power and Aeronautical Engineering, Institute of Heat Engineering, 21/25 Nowowiejska St., Warsaw,00-665, Poland

[4] Military University of Technology, Faculty of Mechanical Engineering, 2 gen. S. Kaliskiego St., Warsaw,00-908, Poland

[5] Warsaw University of Technology, Faculty of Chemistry, 3 Noakowskiego St., Warsaw,00-664, Poland

[6] Lukasiewicz Research Network, Institute of Ceramics and Building Materials, Advanced Ceramics and Prefabrication Centrum, Ceramics Research Group, 8 Cementowa St., Krakow,31-983, Poland

来源：

Journal of Alloys and Compounds | 2024年 / 1008卷

关键词：

This article presents the formation of composite microstructures by combining two established concepts: centrifugal slip casting and the utilization of a magnetic field to control the distribution of magnetic particles. The integration of these methodologies offers the potential to create zones within the composite with distinct hardness values. The study introduces a novel method for fabricating ceramic-metal composites; with a key focus on determining the feasibility of manipulating the location of the metallic phase using a magnetic field. Through this innovative approach; the research aims to produce composite hollow cylinders with a gradient distribution of metallic particles. The relative density of the composites was 97 %. The hardness values for the samples range from 970 HV to 2700 HV; displaying variability based on the metallic phase content within the material. The compressive strength for Al2O3-Ni samples was equal to 128.92 MPa. The Al2O3 grains in zone III after the sintering process have an average size of 1.27 ± 0.68 µm. The Al2O3-Ni composites indicate a smaller heat capacity of the material compared to pure Al2O3 samples. © 2024 The Authors;

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摘要：

Journal article (JA)

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