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Microstructure and Mechanical Properties of Cu Matrix Composites Reinforced by TiB2/TiN Ceramic Reinforcements
Yin, JW; Zhou, PL; Liang, HQ; Yao, DX; Xia, YF; Zuo, KH; Zeng, YP
2020-12-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Issue12Pages:1609
SubtypeArticle
AbstractCu matrix composites reinforced by TiB2/TiN ceramic reinforcements (Cu/TBN composites) were prepared by hot pressing method. Prior to the hot pressing, Cu/TiB2/TiN composite powders (CTBN powders), which were used as the starting materials of Cu/TBN composites, were fabricated by self-propagating high-temperature synthesis method. The CTBN particles were found to be in a special core-shell structure with a Cu-Ti alloy core and a TiB2/TiN ceramic shell. The test results presented obvious improvements in mechanical properties. The highest ultimate tensile strength reached up to 297 MPa, 77 MPa higher than that of Cu. And the highest hardness reached up to 70.7 HRF, 15.7 HRF higher than that of Cu. A comparative study indicated that the core-shell structured particles could bring about more obvious strengthening effect than the traditional irregularly shaped particles, which was due to the improved Cu/ceramics interfacial bonding, the linkage strengthening effect of both TiB(2)and TiN, and higher load bearing ability of the core-shell structured reinforcements.
DOI10.1007/s40195-020-01100-5
WOS KeywordPARTICLE-SIZE ; TENSILE PROPERTIES ; WEAR BEHAVIOR ; TEMPERATURE ; FRACTURE ; STRESS ; CARBON
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27912
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Yin, JW,Zhou, PL,Liang, HQ,et al. Microstructure and Mechanical Properties of Cu Matrix Composites Reinforced by TiB2/TiN Ceramic Reinforcements[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020(12):1609.
APA Yin, JW.,Zhou, PL.,Liang, HQ.,Yao, DX.,Xia, YF.,...&Zeng, YP.(2020).Microstructure and Mechanical Properties of Cu Matrix Composites Reinforced by TiB2/TiN Ceramic Reinforcements.ACTA METALLURGICA SINICA-ENGLISH LETTERS(12),1609.
MLA Yin, JW,et al."Microstructure and Mechanical Properties of Cu Matrix Composites Reinforced by TiB2/TiN Ceramic Reinforcements".ACTA METALLURGICA SINICA-ENGLISH LETTERS .12(2020):1609.
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