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The microstructure and properties of Cu-TiB2 composites produced by high-energy ball-milling of TiB2 powders and spark-plasma sintering (SPS) were investigated.
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The effects of ball milling on TiB2 powder composition and densification behavior, mechanical properties, and microstructures of the ceramic composites were investigated. TiO2 and B2O3 in the raw ...
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The Cu–TiB2 composites were processed using Cu–TiB2 powders combined milling, a powder mixture consisting of separately milled Cu & TiB2 and a powder mixture prepared by the combination of ...
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Secondly, the TiB 2 and TiC raw powders were mixed in alcohol and then ball-milled at 325 rpm in a planetary ball mill machine (GMS20-8) for 24 h using cemented carbide balls to break down agglomerated particles. Thirdly, the mixed powders after finishing ball-milled process were dried in a microwave vacuum furnace and then sieved via a 100 ...
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Al2O3–TiB2 composites were synthesized using high-energy ball milling from starting powders containing Al, TiO2, and B2O3. To explore the effect of the addition of another ductile metallic phase ...
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Dispersion-strengthened copper with TiB2 was produced by ball-milling and spark plasma sintering (SPS).Ball-milling was performed at a rotation speed of 300rpm for 30 and 60min in Ar atmosphere by ...
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Dispersion-strengthened copper with TiB2 was produced by ball-milling and spark plasma sintering (SPS).Ball-milling was performed at a rotation speed of 300rpm for 30 and 60min in …
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The effect of ball milling pre-treatment of the starting Ti, B4C and C powders mixture on the synthesis of dense TiC/TiB2 composite was investigated through the combined use of a SPEX mill and the ...
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DOI: 10.1016/J.JEURCERAMSOC.2018.02.020 Corpus ID: 139341508; Microstructures and mechanical properties of B4C-TiB2-SiC composites fabricated by ball milling and hot pressing @article{He2018MicrostructuresAM, title={Microstructures and mechanical properties of B4C-TiB2-SiC composites fabricated by ball milling and hot pressing}, …
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TiB 2 /6063Al matrix composites are fabricated from Al–TiO 2 –B 2 O 3 system by the technology combining high energy ball milling with melt in situ reaction. The microstructure and tensile properties of the composites are investigated by XRD, SEM, EDS, TEM and electronic tensile testing. The results indicate that high energy ball milling technology decreases the in …
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These small particles assure high mechanical properties after sintering process. The initial powders of TiB 2, with particles of about 1 micron, were milled in wet environment in a planetary ball mill with different milling parameters. Two important parameters were 3:1[25] and 5:1 ball-to-powder mass ratios and milling time 2 and 3 hours.
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ball milling,which is the main objective of this study. This technique is proven to be useful in obtaining materials with J. I. Pereira1*, C. Silva2, M. F. Hupalo2, A. N. Klein1, J. B. Rodrigues Neto1 and O. M. Cintho2 1Laboratório de Materiais (Labmat), Departamento de …
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In view of potentiality of titanium diboride (TiB2) materials for high temperature applications, this paper presents the state of art on the processing, microstructure and properties of TiB2 ceramics.
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In-situ synthesized TiB2/6061 composites were prepared from Al-K2TiF6-KBF4 by high energy ball milling and stir casting. Phase analysis and microstructure observation of the samples were ...
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In this paper, for ultrasonic vibration–assisted milling in situ TiB2/7050Al MMCs, the vibration parameters and cutting parameters were recommended as frequency of 30 kHz, amplitude of 4 μm ...
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Dispersion-strengthened copper with TiB2 was produced by ball-milling and spark plasma sintering (SPS).Ball-milling was performed at a rotation speed of 300rpm for 30 and 60min in Ar atmosphere by using a planetary ball mill (AGO-2). Spark-plasma sintering was carried out at 650℃ for 5min under vacuum after mechanical alloying. The hardness ...
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Semantic Scholar extracted view of "Effects of ball milling on the densification behavior, microstructure, and mechanical properties of TiB2–SiC ceramics" by Wenchao Guo et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 223,832,514 papers from all fields of science ...
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The microstructure and properties of Cu-TiB2 composites produced by high-energy ball-milling of TiB2 powders and spark-plasma sintering (SPS) were investigated. TiB2 powders were …
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Dispersion-strengthened copper with TiB2 was produced by ball-milling and spark plasma sintering (SPS).Ball-milling was performed at a rotation speed of 300rpm for 30 and 60min in Ar atmosphere by using a planetary ball mill (AGO-2). Spark-plasma sintering was carried out at 650°C for 5min under vacuum after mechanical alloying. The hardness of the specimens …
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In this study, coarse TiB 2 powder was refined by ball milling with SiC balls, and SiC powder with a small particle size was uniformly dispersed into the TiB 2 powder. Then, TiB 2 –SiC ceramic composites were fabricated by hot-press sintering at 1850 °C and 30 MPa. The densification behavior, microstructure, and mechanical properties of the TiB 2 –SiC ceramic …
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B 4 C-TiB 2-SiC composites were fabricated via hot pressing using ball milled B 4 C, TiB 2, and SiC powder mixtures as the starting materials.The impact of ball milling on the densification behaviors, mechanical properties, and microstructures of the ceramic composites were investigated. The results showed that the refinement of the powder mixtures and the …
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This enhancement is attributed to the creation of defective sites by ball‐milling and incomplete Mg surface coverage in MgB2 multilayers, which disrupts the stable boron–boron …
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58 ball mill is presented as a novel technology recently applied to cereals and their derivatives 59 by dry and wet milling at laboratory scale (He et al., ... The milling protoc ol involved pauses of 40 min each 10 min 114 of grinding, by this procedure the overheating of the starch was avoided, ...
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Download scientific diagram | Powdered form of TiB2 after Ball Milling from publication: Fabrication and Study of Titanium Diboride Powder and Aluminium Titanium Alloy Composite | Aluminium alloy ...
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The ball milling effectively refined the crystallite structure of TiB₂ powders and facilitated the subsequent consolidation. The sinter-onset temperature was reduced …
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Titanium diboride ceramic was produced via spark plasma sintering (SPS) using finer TiB2 powder made by high-speed planetary ball milling. The effects of ball milling …
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TiB2 raw powders were treated by planetary ball-milling and the oxidation behavior was analyzed by X-ray photoelectron spectrometer, X-ray diffractometer, energy dispersive X-ray spectrometry. The results show that the surface of TiB2 powder was oxidized at room temperature, oxidation was accelerated during ball-milling and increased gradually with the increasing of ball-milling …
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TiB 2 /TiC nanocomposite powder was fabricated via high-energy ball milling processing, and microstructure development of the powder mixtures was monitored by X-ray …
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The influence of mechanical activation by ball milling (BM) of Ti, B and graphite powders mixture on the synthesis of dense B 4 C-41% vol. TiB 2 composite by Spark Plasma Sintering (SPS) is investigated. BM treatment produces grains size refinement (50–150 nm) in the processing powders and the formation of TiB and TiB 2, when milling times are longer than 6 h.
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