A comprehensive study on the influence of

Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Fakoor, Mahdi [verfasserIn] Khaji, Zahra [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Orthotropic materials Crack initiation angle Mixed-mode fracture criterion

Übergeordnetes Werk:	Enthalten in: Theoretical and applied fracture mechanics - Amsterdam : North-Holland, 1984, 124
Übergeordnetes Werk:	volume:124

DOI / URN:	10.1016/j.tafmec.2023.103751

Katalog-ID:	ELV065912446

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publishDate	2023
allfields	10.1016/j.tafmec.2023.103751 doi (DE-627)ELV065912446 (ELSEVIER)S0167-8442(23)00003-4 DE-627 ger DE-627 rda eng 670 VZ 51.32 bkl Fakoor, Mahdi verfasserin aut A comprehensive study on the influence of 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials. Orthotropic materials Crack initiation angle Mixed-mode fracture criterion Khaji, Zahra verfasserin aut Enthalten in Theoretical and applied fracture mechanics Amsterdam : North-Holland, 1984 124 Online-Ressource (DE-627)320514021 (DE-600)2013739-4 (DE-576)259484814 0167-8442 nnns volume:124 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 51.32 Werkstoffmechanik VZ AR 124
spelling	10.1016/j.tafmec.2023.103751 doi (DE-627)ELV065912446 (ELSEVIER)S0167-8442(23)00003-4 DE-627 ger DE-627 rda eng 670 VZ 51.32 bkl Fakoor, Mahdi verfasserin aut A comprehensive study on the influence of 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials. Orthotropic materials Crack initiation angle Mixed-mode fracture criterion Khaji, Zahra verfasserin aut Enthalten in Theoretical and applied fracture mechanics Amsterdam : North-Holland, 1984 124 Online-Ressource (DE-627)320514021 (DE-600)2013739-4 (DE-576)259484814 0167-8442 nnns volume:124 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 51.32 Werkstoffmechanik VZ AR 124
allfields_unstemmed	10.1016/j.tafmec.2023.103751 doi (DE-627)ELV065912446 (ELSEVIER)S0167-8442(23)00003-4 DE-627 ger DE-627 rda eng 670 VZ 51.32 bkl Fakoor, Mahdi verfasserin aut A comprehensive study on the influence of 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials. Orthotropic materials Crack initiation angle Mixed-mode fracture criterion Khaji, Zahra verfasserin aut Enthalten in Theoretical and applied fracture mechanics Amsterdam : North-Holland, 1984 124 Online-Ressource (DE-627)320514021 (DE-600)2013739-4 (DE-576)259484814 0167-8442 nnns volume:124 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 51.32 Werkstoffmechanik VZ AR 124
allfieldsGer	10.1016/j.tafmec.2023.103751 doi (DE-627)ELV065912446 (ELSEVIER)S0167-8442(23)00003-4 DE-627 ger DE-627 rda eng 670 VZ 51.32 bkl Fakoor, Mahdi verfasserin aut A comprehensive study on the influence of 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials. Orthotropic materials Crack initiation angle Mixed-mode fracture criterion Khaji, Zahra verfasserin aut Enthalten in Theoretical and applied fracture mechanics Amsterdam : North-Holland, 1984 124 Online-Ressource (DE-627)320514021 (DE-600)2013739-4 (DE-576)259484814 0167-8442 nnns volume:124 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 51.32 Werkstoffmechanik VZ AR 124
allfieldsSound	10.1016/j.tafmec.2023.103751 doi (DE-627)ELV065912446 (ELSEVIER)S0167-8442(23)00003-4 DE-627 ger DE-627 rda eng 670 VZ 51.32 bkl Fakoor, Mahdi verfasserin aut A comprehensive study on the influence of 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials. Orthotropic materials Crack initiation angle Mixed-mode fracture criterion Khaji, Zahra verfasserin aut Enthalten in Theoretical and applied fracture mechanics Amsterdam : North-Holland, 1984 124 Online-Ressource (DE-627)320514021 (DE-600)2013739-4 (DE-576)259484814 0167-8442 nnns volume:124 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 51.32 Werkstoffmechanik VZ AR 124
language	English
source	Enthalten in Theoretical and applied fracture mechanics 124 volume:124
sourceStr	Enthalten in Theoretical and applied fracture mechanics 124 volume:124
format_phy_str_mv	Article
bklname	Werkstoffmechanik
institution	findex.gbv.de
topic_facet	Orthotropic materials Crack initiation angle Mixed-mode fracture criterion
dewey-raw	670
isfreeaccess_bool	false
container_title	Theoretical and applied fracture mechanics
authorswithroles_txt_mv	Fakoor, Mahdi @@aut@@ Khaji, Zahra @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	320514021
dewey-sort	3670
id	ELV065912446
language_de	englisch
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The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. 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author	Fakoor, Mahdi
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topic_title	670 VZ 51.32 bkl A comprehensive study on the influence of Orthotropic materials Crack initiation angle Mixed-mode fracture criterion
topic	ddc 670 bkl 51.32 misc Orthotropic materials misc Crack initiation angle misc Mixed-mode fracture criterion
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title_sort	a comprehensive study on the influence of
title_auth	A comprehensive study on the influence of
abstract	Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials.
abstractGer	Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials.
abstract_unstemmed	Theoretical predictions using conventional fracture criteria indicate that the theoretical approaches are not compatible with the experimental data. The most important reasons for the inconsistency between theoretical criteria and experimental data are lack of attention to accurate prediction of the crack initiation angle in fracture phenomenon and the role of T-stress term in the theoretical analysis. In available theoretical criteria, the fracture behavior of orthotropic materials was studied roughly considering crack initiation angle in the fiber direction. In this way, the accurate prediction of this angle has a significant impact on the extraction of the fracture limit curve consistent with experimental data. In the presented work, a comprehensive study on the role of the T-stress term on the fracture assessment of orthotropic materials based on the maximum strain energy release rate, minimum strain energy density, maximum tangential stress, and maximum shear stress criteria is performed. These criteria can characterize the mechanism of crack initiation under mixed-mode I/II loading and consider the effect of the T-stress term on the crack initiation angle. The formulations of the presented criteria for orthotropic materials are developed using the orthotropic stress field. Based on these criteria, the crack initiation angle is extracted in each mode mixity and the effect of the T-stress term on crack initiation angle is studied. A new approach is used to derive the T-stress term. The results indicate that by crossing pure mode I and approaching pure mode II, the T-stress term has a remarkable influence on the crack initiation angle and fracture assessment of orthotropic materials. Also, based on these criteria, FLC’s are extracted for orthotropic materials and the influence of this stress on crack behavior is evaluated. To verify the proposed formulations of these criteria, the fracture behavior based on the presented criteria is compared with the available experimental data and the accuracy of proposed theoretical approaches is discussed. It reveals that the presented criteria reliably estimate crack initiation angle and the crack behavior more accurately than the conventional fracture criteria for orthotropic materials.
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