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Structural and mechanical properties of nano and micro Al2O3-cBN composites prepared by spark plasma sintering
Conventional sintering processes convert a portion of cBN to hBN which is softer than cBN which negatively affects functional properties of an alumina composite. The invention is directed to method for making an alumina-cubic boron nitride (Al2O3-cBN) composite that contains substantially no hexagonal boron nitride (hBN) by non-conventional spark plasma sintering of cBN with nano-sized alumina particles. The invention is also directed to Al2O3-cBN/Ni composites, which contain substantially no hBN, and which exhibit superior physical and mechanical properties compared to alumina composites containing higher amounts of hBN.
Structural and mechanical properties of nano and micro Al2O3-cBN composites prepared by spark plasma sintering
Conventional sintering processes convert a portion of cBN to hBN which is softer than cBN which negatively affects functional properties of an alumina composite. The invention is directed to method for making an alumina-cubic boron nitride (Al2O3-cBN) composite that contains substantially no hexagonal boron nitride (hBN) by non-conventional spark plasma sintering of cBN with nano-sized alumina particles. The invention is also directed to Al2O3-cBN/Ni composites, which contain substantially no hBN, and which exhibit superior physical and mechanical properties compared to alumina composites containing higher amounts of hBN.
Structural and mechanical properties of nano and micro Al2O3-cBN composites prepared by spark plasma sintering
HAKEEM ABBAS SAEED (author) / LAOUI TAHAR (author) / IRSHAD HAFIZ MUZAMMIL (author) / AHMED BILAL ANJUM (author) / EHSAN MUHAMMAD ALI (author)
2019-08-13
Patent
Electronic Resource
English
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