THE POWDER OF Co64Nb30B6 OBTAINED BY MECHANICAL ALLOYING
This work aims to synthesize the alloy Co64Nb30B6 through mechanical alloying using a planetary ball mill. A disc rotation per minute and a ball/powder weight ratio of 300 rpm and 10:1 were used, with a milled time of 10 h, respectively. The characterization of the Co64Nb30B6 alloy was performed by...
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| Format: | Article |
| Language: | English |
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Sociedade Brasileira de Química
2024-04-01
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| Series: | Química Nova |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000800201&lng=en&tlng=en |
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| author | Luciano Nascimento Ítallo Campos Gonçalves de Morais Adriano Lima da Silva João Baptista da Costa Agra de Melo Danyelle Garcia Guedes Lincoln Rodrigues Sampaio de Araújo Suédina Maria de Lima Silva Ana Cristina Figueiredo de Melo Costa |
| author_facet | Luciano Nascimento Ítallo Campos Gonçalves de Morais Adriano Lima da Silva João Baptista da Costa Agra de Melo Danyelle Garcia Guedes Lincoln Rodrigues Sampaio de Araújo Suédina Maria de Lima Silva Ana Cristina Figueiredo de Melo Costa |
| author_sort | Luciano Nascimento |
| collection | DOAJ |
| description | This work aims to synthesize the alloy Co64Nb30B6 through mechanical alloying using a planetary ball mill. A disc rotation per minute and a ball/powder weight ratio of 300 rpm and 10:1 were used, with a milled time of 10 h, respectively. The characterization of the Co64Nb30B6 alloy was performed by X-ray diffraction (XRD), examined by scanning electron microscope-energy dispersive X-ray spectroscopy (SEM-EDS), thermoanalytical techniques (TGA/DTA), vibrating sample magnetometer (VSM) and confirmed by Braunauer, Emmet e Teller (BET) method type IV isotherms with a hysteresis loop for mesoporous materials. The results indicated that the evolution of the amorphous phase in the Co64Nb30B6 composition through the mechanical alloying process exhibited good soft magnetic properties with the addition of the metalloid element B and its excellent unique ferromagnetic properties. Through thermoanalytical analysis (TGA/DTA), it was shown that at higher temperatures, Co and Nb ions are oxidized by the environment and, therefore, the mass can be slightly increased to 14.9% and a probable contribution of boron in evolution stability thermal and magnetic in the amorphous phase, respectively. This suggests that the newly developed high-performance amorphous alloy Co64Nb30B6 has great application potential. |
| first_indexed | 2024-04-24T08:56:12Z |
| format | Article |
| id | doaj.art-4ec2f79e16f3433093032c85c193aab4 |
| institution | Directory Open Access Journal |
| issn | 1678-7064 |
| language | English |
| last_indexed | 2024-04-24T08:56:12Z |
| publishDate | 2024-04-01 |
| publisher | Sociedade Brasileira de Química |
| record_format | Article |
| series | Química Nova |
| spelling | doaj.art-4ec2f79e16f3433093032c85c193aab42024-04-16T07:39:54ZengSociedade Brasileira de QuímicaQuímica Nova1678-70642024-04-0147810.21577/0100-4042.20240030THE POWDER OF Co64Nb30B6 OBTAINED BY MECHANICAL ALLOYINGLuciano Nascimentohttps://orcid.org/0000-0001-8890-7616Ítallo Campos Gonçalves de MoraisAdriano Lima da SilvaJoão Baptista da Costa Agra de MeloDanyelle Garcia GuedesLincoln Rodrigues Sampaio de AraújoSuédina Maria de Lima SilvaAna Cristina Figueiredo de Melo CostaThis work aims to synthesize the alloy Co64Nb30B6 through mechanical alloying using a planetary ball mill. A disc rotation per minute and a ball/powder weight ratio of 300 rpm and 10:1 were used, with a milled time of 10 h, respectively. The characterization of the Co64Nb30B6 alloy was performed by X-ray diffraction (XRD), examined by scanning electron microscope-energy dispersive X-ray spectroscopy (SEM-EDS), thermoanalytical techniques (TGA/DTA), vibrating sample magnetometer (VSM) and confirmed by Braunauer, Emmet e Teller (BET) method type IV isotherms with a hysteresis loop for mesoporous materials. The results indicated that the evolution of the amorphous phase in the Co64Nb30B6 composition through the mechanical alloying process exhibited good soft magnetic properties with the addition of the metalloid element B and its excellent unique ferromagnetic properties. Through thermoanalytical analysis (TGA/DTA), it was shown that at higher temperatures, Co and Nb ions are oxidized by the environment and, therefore, the mass can be slightly increased to 14.9% and a probable contribution of boron in evolution stability thermal and magnetic in the amorphous phase, respectively. This suggests that the newly developed high-performance amorphous alloy Co64Nb30B6 has great application potential.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000800201&lng=en&tlng=enamorphous alloy Co64Nb30B6mechanical alloyingcharacterization |
| spellingShingle | Luciano Nascimento Ítallo Campos Gonçalves de Morais Adriano Lima da Silva João Baptista da Costa Agra de Melo Danyelle Garcia Guedes Lincoln Rodrigues Sampaio de Araújo Suédina Maria de Lima Silva Ana Cristina Figueiredo de Melo Costa THE POWDER OF Co64Nb30B6 OBTAINED BY MECHANICAL ALLOYING Química Nova amorphous alloy Co64Nb30B6 mechanical alloying characterization |
| title | THE POWDER OF Co64Nb30B6 OBTAINED BY MECHANICAL ALLOYING |
| title_full | THE POWDER OF Co64Nb30B6 OBTAINED BY MECHANICAL ALLOYING |
| title_fullStr | THE POWDER OF Co64Nb30B6 OBTAINED BY MECHANICAL ALLOYING |
| title_full_unstemmed | THE POWDER OF Co64Nb30B6 OBTAINED BY MECHANICAL ALLOYING |
| title_short | THE POWDER OF Co64Nb30B6 OBTAINED BY MECHANICAL ALLOYING |
| title_sort | powder of co64nb30b6 obtained by mechanical alloying |
| topic | amorphous alloy Co64Nb30B6 mechanical alloying characterization |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422024000800201&lng=en&tlng=en |
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