Fabrication of composites with excellent mechanical properties based on cubic boron nitride reinforced with carbon nanotubes
Ceramics International, ISSN: 0272-8842, Vol: 45, Issue: 11, Page: 14287-14290
2019
- 9Citations
- 12Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Composites consisting of cubic boron nitride (cBN) as a matrix and carbon nanotubes (CNTs) as reinforcing additives were fabricated by high-temperature and high-pressure sintering (HTHP). Microstructures, mechanical properties, fracture modes and toughening mechanisms of these composites were investigated. Composites exhibited excellent bending strength, wear resistance, and fracture toughness. Fracture toughness of composites reached 7.02 MPa·m 1/2. Comparing to pure cBN matrix, bending strength improved from 475.27 to 600.15 MPa, and wear resistance increased by 43.23%. Such improvements of mechanical properties were mainly attributed to pullout and bridging reinforcements by CNTs. CNTs incorporation also changed fracture mode from inter-to trans-granular.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0272884219309630; http://dx.doi.org/10.1016/j.ceramint.2019.04.138; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85064755520&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0272884219309630; https://dx.doi.org/10.1016/j.ceramint.2019.04.138
Elsevier BV
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