Alumina Agglomerate Effects on Toughness-Curve Behavior of Alumina–Mullite Composites
Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve...
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| Autor*in: |
Khan, Ajmal [verfasserIn] Chan, Helen M. [verfasserIn] Harmer, Martin P. [verfasserIn] |
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| Format: |
E-Artikel |
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| Erschienen: |
Westerville, Ohio: American Ceramics Society ; 2000 |
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| Schlagwörter: |
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| Umfang: |
Online-Ressource |
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| Reproduktion: |
2004 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: Journal of the American Ceramic Society - American Ceramic Society ; GKD-ID: 6113X, Oxford [u.a.] : Wiley-Blackwell, 1918, 83(2000), 12, Seite 0 |
| Übergeordnetes Werk: |
volume:83 ; year:2000 ; number:12 ; pages:0 |
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| DOI / URN: |
10.1111/j.1151-2916.2000.tb01687.x |
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| 520 | |a Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. | ||
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10.1111/j.1151-2916.2000.tb01687.x doi (DE-627)NLEJ243473885 DE-627 ger DE-627 rakwb Khan, Ajmal verfasserin aut Alumina Agglomerate Effects on Toughness-Curve Behavior of Alumina–Mullite Composites Westerville, Ohio American Ceramics Society 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| alumina Chan, Helen M. verfasserin aut Harmer, Martin P. verfasserin aut Cook, Robert F. oth In American Ceramic Society ; GKD-ID: 6113X Journal of the American Ceramic Society Oxford [u.a.] : Wiley-Blackwell, 1918 83(2000), 12, Seite 0 Online-Ressource (DE-627)NLEJ243927835 (DE-600)2008170-4 1551-2916 nnns volume:83 year:2000 number:12 pages:0 http://dx.doi.org/10.1111/j.1151-2916.2000.tb01687.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 83 2000 12 0 |
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10.1111/j.1151-2916.2000.tb01687.x doi (DE-627)NLEJ243473885 DE-627 ger DE-627 rakwb Khan, Ajmal verfasserin aut Alumina Agglomerate Effects on Toughness-Curve Behavior of Alumina–Mullite Composites Westerville, Ohio American Ceramics Society 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| alumina Chan, Helen M. verfasserin aut Harmer, Martin P. verfasserin aut Cook, Robert F. oth In American Ceramic Society ; GKD-ID: 6113X Journal of the American Ceramic Society Oxford [u.a.] : Wiley-Blackwell, 1918 83(2000), 12, Seite 0 Online-Ressource (DE-627)NLEJ243927835 (DE-600)2008170-4 1551-2916 nnns volume:83 year:2000 number:12 pages:0 http://dx.doi.org/10.1111/j.1151-2916.2000.tb01687.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 83 2000 12 0 |
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10.1111/j.1151-2916.2000.tb01687.x doi (DE-627)NLEJ243473885 DE-627 ger DE-627 rakwb Khan, Ajmal verfasserin aut Alumina Agglomerate Effects on Toughness-Curve Behavior of Alumina–Mullite Composites Westerville, Ohio American Ceramics Society 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| alumina Chan, Helen M. verfasserin aut Harmer, Martin P. verfasserin aut Cook, Robert F. oth In American Ceramic Society ; GKD-ID: 6113X Journal of the American Ceramic Society Oxford [u.a.] : Wiley-Blackwell, 1918 83(2000), 12, Seite 0 Online-Ressource (DE-627)NLEJ243927835 (DE-600)2008170-4 1551-2916 nnns volume:83 year:2000 number:12 pages:0 http://dx.doi.org/10.1111/j.1151-2916.2000.tb01687.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 83 2000 12 0 |
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10.1111/j.1151-2916.2000.tb01687.x doi (DE-627)NLEJ243473885 DE-627 ger DE-627 rakwb Khan, Ajmal verfasserin aut Alumina Agglomerate Effects on Toughness-Curve Behavior of Alumina–Mullite Composites Westerville, Ohio American Ceramics Society 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| alumina Chan, Helen M. verfasserin aut Harmer, Martin P. verfasserin aut Cook, Robert F. oth In American Ceramic Society ; GKD-ID: 6113X Journal of the American Ceramic Society Oxford [u.a.] : Wiley-Blackwell, 1918 83(2000), 12, Seite 0 Online-Ressource (DE-627)NLEJ243927835 (DE-600)2008170-4 1551-2916 nnns volume:83 year:2000 number:12 pages:0 http://dx.doi.org/10.1111/j.1151-2916.2000.tb01687.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 83 2000 12 0 |
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10.1111/j.1151-2916.2000.tb01687.x doi (DE-627)NLEJ243473885 DE-627 ger DE-627 rakwb Khan, Ajmal verfasserin aut Alumina Agglomerate Effects on Toughness-Curve Behavior of Alumina–Mullite Composites Westerville, Ohio American Ceramics Society 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| alumina Chan, Helen M. verfasserin aut Harmer, Martin P. verfasserin aut Cook, Robert F. oth In American Ceramic Society ; GKD-ID: 6113X Journal of the American Ceramic Society Oxford [u.a.] : Wiley-Blackwell, 1918 83(2000), 12, Seite 0 Online-Ressource (DE-627)NLEJ243927835 (DE-600)2008170-4 1551-2916 nnns volume:83 year:2000 number:12 pages:0 http://dx.doi.org/10.1111/j.1151-2916.2000.tb01687.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 83 2000 12 0 |
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Alumina Agglomerate Effects on Toughness-Curve Behavior of Alumina–Mullite Composites |
| abstract |
Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. |
| abstractGer |
Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. |
| abstract_unstemmed |
Toughness-curve (T-curve) behavior of composites of spherical, polycrystalline, coarse-grained, alumina agglomerates dispersed throughout a constant-toughness, fine-grained, 50–50 vol% alumina–mullite matrix has been evaluated as a function of agglomerate content for the range 15 to 45 vol%. T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. The indentation-strength data also demonstrated that the composite containing the greatest alumina agglomerate content, 45 vol%, exhibited the greatest flaw tolerance. |
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Chan, Helen M. Harmer, Martin P. Cook, Robert F. |
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Chan, Helen M. Harmer, Martin P. Cook, Robert F. |
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| doi_str |
10.1111/j.1151-2916.2000.tb01687.x |
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2024-07-06T05:34:26.404Z |
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T-curve behavior was evaluated using the indentation-strength method. Increasing alumina agglomerate content resulted in a progressive increase of large indentation load strengths with negligible change of plateau strength levels at small indentation loads. This behavior is consistent with underlying T-curves that rise to greater values and are shifted toward longer crack lengths with increasing agglomerate content, suggesting that both bridge spacing and bridge potency increase with increasing agglomerate content over the range tested. The proposed relationships between bridge spacing and agglomerate content, and bridge potency and agglomerate content, are rationalized in terms of residual stress considerations. 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