Machinability, deformation, and cracks behavior of pressureless-sintered $ Al_{2} $$ O_{3} $/h-BN composites: role of weak boundary phases
Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through th...
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Gespeichert in:
| Autor*in: |
Shi, Zhongqi [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2009 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media, LLC 2009 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials science - Springer US, 1966, 44(2009), 6 vom: 01. März, Seite 1580-1587 |
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| Übergeordnetes Werk: |
volume:44 ; year:2009 ; number:6 ; day:01 ; month:03 ; pages:1580-1587 |
| Links: |
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| DOI / URN: |
10.1007/s10853-008-3242-5 |
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| Katalog-ID: |
OLC204634670X |
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| 245 | 1 | 0 | |a Machinability, deformation, and cracks behavior of pressureless-sintered $ Al_{2} $$ O_{3} $/h-BN composites: role of weak boundary phases |
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| 520 | |a Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. | ||
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10.1007/s10853-008-3242-5 doi (DE-627)OLC204634670X (DE-He213)s10853-008-3242-5-p DE-627 ger DE-627 rakwb eng 670 VZ Shi, Zhongqi verfasserin aut Machinability, deformation, and cracks behavior of pressureless-sintered $ Al_{2} $$ O_{3} $/h-BN composites: role of weak boundary phases 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2009 Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. Slip Plane Weak Interface Good Machinability Contact Damage Applied Compressive Stress Wang, Jiping aut Qiao, Guanjun aut Yang, Jianfeng aut Jin, Zhihao aut Enthalten in Journal of materials science Springer US, 1966 44(2009), 6 vom: 01. März, Seite 1580-1587 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:44 year:2009 number:6 day:01 month:03 pages:1580-1587 https://doi.org/10.1007/s10853-008-3242-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_100 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 44 2009 6 01 03 1580-1587 |
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10.1007/s10853-008-3242-5 doi (DE-627)OLC204634670X (DE-He213)s10853-008-3242-5-p DE-627 ger DE-627 rakwb eng 670 VZ Shi, Zhongqi verfasserin aut Machinability, deformation, and cracks behavior of pressureless-sintered $ Al_{2} $$ O_{3} $/h-BN composites: role of weak boundary phases 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2009 Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. Slip Plane Weak Interface Good Machinability Contact Damage Applied Compressive Stress Wang, Jiping aut Qiao, Guanjun aut Yang, Jianfeng aut Jin, Zhihao aut Enthalten in Journal of materials science Springer US, 1966 44(2009), 6 vom: 01. März, Seite 1580-1587 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:44 year:2009 number:6 day:01 month:03 pages:1580-1587 https://doi.org/10.1007/s10853-008-3242-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_100 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 44 2009 6 01 03 1580-1587 |
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10.1007/s10853-008-3242-5 doi (DE-627)OLC204634670X (DE-He213)s10853-008-3242-5-p DE-627 ger DE-627 rakwb eng 670 VZ Shi, Zhongqi verfasserin aut Machinability, deformation, and cracks behavior of pressureless-sintered $ Al_{2} $$ O_{3} $/h-BN composites: role of weak boundary phases 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2009 Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. Slip Plane Weak Interface Good Machinability Contact Damage Applied Compressive Stress Wang, Jiping aut Qiao, Guanjun aut Yang, Jianfeng aut Jin, Zhihao aut Enthalten in Journal of materials science Springer US, 1966 44(2009), 6 vom: 01. März, Seite 1580-1587 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:44 year:2009 number:6 day:01 month:03 pages:1580-1587 https://doi.org/10.1007/s10853-008-3242-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_100 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 44 2009 6 01 03 1580-1587 |
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10.1007/s10853-008-3242-5 doi (DE-627)OLC204634670X (DE-He213)s10853-008-3242-5-p DE-627 ger DE-627 rakwb eng 670 VZ Shi, Zhongqi verfasserin aut Machinability, deformation, and cracks behavior of pressureless-sintered $ Al_{2} $$ O_{3} $/h-BN composites: role of weak boundary phases 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2009 Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. Slip Plane Weak Interface Good Machinability Contact Damage Applied Compressive Stress Wang, Jiping aut Qiao, Guanjun aut Yang, Jianfeng aut Jin, Zhihao aut Enthalten in Journal of materials science Springer US, 1966 44(2009), 6 vom: 01. März, Seite 1580-1587 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:44 year:2009 number:6 day:01 month:03 pages:1580-1587 https://doi.org/10.1007/s10853-008-3242-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_100 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 44 2009 6 01 03 1580-1587 |
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10.1007/s10853-008-3242-5 doi (DE-627)OLC204634670X (DE-He213)s10853-008-3242-5-p DE-627 ger DE-627 rakwb eng 670 VZ Shi, Zhongqi verfasserin aut Machinability, deformation, and cracks behavior of pressureless-sintered $ Al_{2} $$ O_{3} $/h-BN composites: role of weak boundary phases 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2009 Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. Slip Plane Weak Interface Good Machinability Contact Damage Applied Compressive Stress Wang, Jiping aut Qiao, Guanjun aut Yang, Jianfeng aut Jin, Zhihao aut Enthalten in Journal of materials science Springer US, 1966 44(2009), 6 vom: 01. März, Seite 1580-1587 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:44 year:2009 number:6 day:01 month:03 pages:1580-1587 https://doi.org/10.1007/s10853-008-3242-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_100 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 44 2009 6 01 03 1580-1587 |
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machinability, deformation, and cracks behavior of pressureless-sintered $ al_{2} $$ o_{3} $/h-bn composites: role of weak boundary phases |
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Machinability, deformation, and cracks behavior of pressureless-sintered $ Al_{2} $$ O_{3} $/h-BN composites: role of weak boundary phases |
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Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. © Springer Science+Business Media, LLC 2009 |
| abstractGer |
Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. © Springer Science+Business Media, LLC 2009 |
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Abstract $ Al_{2} $$ O_{3} $/h–BN machinable composites were cost-effectively fabricated by pressureless sintering method. The machinability, deformation, and cracks behavior of the composites were investigated by drilling, Hertzian indentation, and Vickers indentation test, respectively. Through the observation of the microstructures in different scales by SEM, we analyzed the role of the weak boundary phases (WBP), including h-BN and pores, on the machining mechanism of the composites. The results showed that almost all of the WBP dispersed at the $ Al_{2} $$ O_{3} $ grain boundaries, which strongly elevate the machinability and deformability of the composites. During the drilling or Hertzian indentation test, a large number of microcracks formed firstly along the WBP; then these microcracks connected with each other causing a removal or macro-deformation of the composites. The Vickers indentation test result indicated that the weak interfaces and grain boundaries of WBP lead to a low microcrack toughness, whereas in macro-scale the crack toughness was improved because of the crack bridging and deflection of WBP. © Springer Science+Business Media, LLC 2009 |
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