Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks

This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentatio...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Li, Biao [verfasserIn] Shu, Yixiu [verfasserIn] Li, Yazhi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Interfacial fracture Segmentation cracks Dense vertical cracks High-temperature coatings Thermal barrier coatings Environmental barrier coatings

Übergeordnetes Werk:	Enthalten in: European journal of mechanics / A - Paris : Elsevier, 1998, 96
Übergeordnetes Werk:	volume:96

DOI / URN:	10.1016/j.euromechsol.2022.104674

Katalog-ID:	ELV010343687

Internformat


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245	1	0	\|a Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks
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520			\|a This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance.
650		4	\|a Interfacial fracture
650		4	\|a Segmentation cracks
650		4	\|a Dense vertical cracks
650		4	\|a High-temperature coatings
650		4	\|a Thermal barrier coatings
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700	1		\|a Li, Yazhi \|e verfasserin \|4 aut
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allfields	10.1016/j.euromechsol.2022.104674 doi (DE-627)ELV010343687 (ELSEVIER)S0997-7538(22)00133-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl 33.11 bkl Li, Biao verfasserin aut Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance. Interfacial fracture Segmentation cracks Dense vertical cracks High-temperature coatings Thermal barrier coatings Environmental barrier coatings Shu, Yixiu verfasserin aut Li, Yazhi verfasserin aut Enthalten in European journal of mechanics / A Paris : Elsevier, 1998 96 Online-Ressource (DE-627)320593843 (DE-600)2019284-8 (DE-576)116451807 1873-7285 nnns volume:96 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ 33.11 Mechanik VZ AR 96
spelling	10.1016/j.euromechsol.2022.104674 doi (DE-627)ELV010343687 (ELSEVIER)S0997-7538(22)00133-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl 33.11 bkl Li, Biao verfasserin aut Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance. Interfacial fracture Segmentation cracks Dense vertical cracks High-temperature coatings Thermal barrier coatings Environmental barrier coatings Shu, Yixiu verfasserin aut Li, Yazhi verfasserin aut Enthalten in European journal of mechanics / A Paris : Elsevier, 1998 96 Online-Ressource (DE-627)320593843 (DE-600)2019284-8 (DE-576)116451807 1873-7285 nnns volume:96 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ 33.11 Mechanik VZ AR 96
allfields_unstemmed	10.1016/j.euromechsol.2022.104674 doi (DE-627)ELV010343687 (ELSEVIER)S0997-7538(22)00133-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl 33.11 bkl Li, Biao verfasserin aut Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance. Interfacial fracture Segmentation cracks Dense vertical cracks High-temperature coatings Thermal barrier coatings Environmental barrier coatings Shu, Yixiu verfasserin aut Li, Yazhi verfasserin aut Enthalten in European journal of mechanics / A Paris : Elsevier, 1998 96 Online-Ressource (DE-627)320593843 (DE-600)2019284-8 (DE-576)116451807 1873-7285 nnns volume:96 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ 33.11 Mechanik VZ AR 96
allfieldsGer	10.1016/j.euromechsol.2022.104674 doi (DE-627)ELV010343687 (ELSEVIER)S0997-7538(22)00133-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl 33.11 bkl Li, Biao verfasserin aut Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance. Interfacial fracture Segmentation cracks Dense vertical cracks High-temperature coatings Thermal barrier coatings Environmental barrier coatings Shu, Yixiu verfasserin aut Li, Yazhi verfasserin aut Enthalten in European journal of mechanics / A Paris : Elsevier, 1998 96 Online-Ressource (DE-627)320593843 (DE-600)2019284-8 (DE-576)116451807 1873-7285 nnns volume:96 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ 33.11 Mechanik VZ AR 96
allfieldsSound	10.1016/j.euromechsol.2022.104674 doi (DE-627)ELV010343687 (ELSEVIER)S0997-7538(22)00133-4 DE-627 ger DE-627 rda eng 530 VZ 50.31 bkl 51.32 bkl 33.11 bkl Li, Biao verfasserin aut Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance. Interfacial fracture Segmentation cracks Dense vertical cracks High-temperature coatings Thermal barrier coatings Environmental barrier coatings Shu, Yixiu verfasserin aut Li, Yazhi verfasserin aut Enthalten in European journal of mechanics / A Paris : Elsevier, 1998 96 Online-Ressource (DE-627)320593843 (DE-600)2019284-8 (DE-576)116451807 1873-7285 nnns volume:96 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.31 Technische Mechanik VZ 51.32 Werkstoffmechanik VZ 33.11 Mechanik VZ AR 96
language	English
source	Enthalten in European journal of mechanics / A 96 volume:96
sourceStr	Enthalten in European journal of mechanics / A 96 volume:96
format_phy_str_mv	Article
bklname	Technische Mechanik Werkstoffmechanik Mechanik
institution	findex.gbv.de
topic_facet	Interfacial fracture Segmentation cracks Dense vertical cracks High-temperature coatings Thermal barrier coatings Environmental barrier coatings
dewey-raw	530
isfreeaccess_bool	false
container_title	European journal of mechanics / A
authorswithroles_txt_mv	Li, Biao @@aut@@ Shu, Yixiu @@aut@@ Li, Yazhi @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	320593843
dewey-sort	3530
id	ELV010343687
language_de	englisch
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author	Li, Biao
spellingShingle	Li, Biao ddc 530 bkl 50.31 bkl 51.32 bkl 33.11 misc Interfacial fracture misc Segmentation cracks misc Dense vertical cracks misc High-temperature coatings misc Thermal barrier coatings misc Environmental barrier coatings Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks
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topic_title	530 VZ 50.31 bkl 51.32 bkl 33.11 bkl Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks Interfacial fracture Segmentation cracks Dense vertical cracks High-temperature coatings Thermal barrier coatings Environmental barrier coatings
topic	ddc 530 bkl 50.31 bkl 51.32 bkl 33.11 misc Interfacial fracture misc Segmentation cracks misc Dense vertical cracks misc High-temperature coatings misc Thermal barrier coatings misc Environmental barrier coatings
topic_unstemmed	ddc 530 bkl 50.31 bkl 51.32 bkl 33.11 misc Interfacial fracture misc Segmentation cracks misc Dense vertical cracks misc High-temperature coatings misc Thermal barrier coatings misc Environmental barrier coatings
topic_browse	ddc 530 bkl 50.31 bkl 51.32 bkl 33.11 misc Interfacial fracture misc Segmentation cracks misc Dense vertical cracks misc High-temperature coatings misc Thermal barrier coatings misc Environmental barrier coatings
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title	Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks
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title_full	Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks
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title_sort	interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks
title_auth	Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks
abstract	This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance.
abstractGer	This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance.
abstract_unstemmed	This work numerically studies the interface cracking behavior in the high-temperature coatings that contain non-uniformly distributed segmentation cracks within the outermost coating layer. A representative cell model was proposed for representing the various distribution features of the segmentation cracks in the actual coatings. The evolutions of the delamination driving forces were obtained by calculating the energy release rates at the interface crack tips. It was found that the interface cracking behavior of a segment is weakly affected by the in-plane sizes and interface crack lengths of its neighboring segments. The durability of the segmented coatings may be overestimated if the non-uniformity of the segmentation crack distributions is neglected. An effective segmentation crack density was proposed to consider the influence of the non-uniformity on the delamination behavior, which can be further used for the evaluation of the durability. Moreover, the negative influences of the coatings’ elastic modulus, thickness, and thermal expansion mismatch on the durability can be alleviated by introducing dense segmentation cracks. It provides an alternative way to resolve the difficulties in weighting the different material properties of the newly developed coatings materials for achieving the best performance.
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title_short	Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks
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doi_str	10.1016/j.euromechsol.2022.104674
up_date	2024-07-06T17:39:38.171Z
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Interface cracking behavior in high-temperature coatings with non-uniformly distributed segmentation cracks

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