A linear elastic finite element approach to fatigue life estimation for defect laden materials

This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initi...
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Gespeichert in:

Autor*in:	Shao, Shuai [verfasserIn] Poudel, Arun [verfasserIn] Shamsaei, Nima [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Fatigue modeling Laser powder bed fusion (L-PBF/LB-PBF) Linear elastic finite element analysis (LE-FEA) Fracture mechanics Additive manufacturing

Übergeordnetes Werk:	Enthalten in: Engineering fracture mechanics - Kidlington : Elsevier Science, 1968, 285
Übergeordnetes Werk:	volume:285

DOI / URN:	10.1016/j.engfracmech.2023.109298

Katalog-ID:	ELV066612608

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520			\|a This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens.
650		4	\|a Fatigue modeling
650		4	\|a Laser powder bed fusion (L-PBF/LB-PBF)
650		4	\|a Linear elastic finite element analysis (LE-FEA)
650		4	\|a Fracture mechanics
650		4	\|a Additive manufacturing
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700	1		\|a Shamsaei, Nima \|e verfasserin \|0 (orcid)0000-0003-0325-7314 \|4 aut
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allfields	10.1016/j.engfracmech.2023.109298 doi (DE-627)ELV066612608 (ELSEVIER)S0013-7944(23)00256-4 DE-627 ger DE-627 rda eng 530 VZ 51.32 bkl Shao, Shuai verfasserin (orcid)0000-0002-4718-2783 aut A linear elastic finite element approach to fatigue life estimation for defect laden materials 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens. Fatigue modeling Laser powder bed fusion (L-PBF/LB-PBF) Linear elastic finite element analysis (LE-FEA) Fracture mechanics Additive manufacturing Poudel, Arun verfasserin (orcid)0000-0002-6703-7057 aut Shamsaei, Nima verfasserin (orcid)0000-0003-0325-7314 aut Enthalten in Engineering fracture mechanics Kidlington : Elsevier Science, 1968 285 Online-Ressource (DE-627)320505006 (DE-600)2012718-2 (DE-576)094752575 nnns volume:285 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_101 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 285
spelling	10.1016/j.engfracmech.2023.109298 doi (DE-627)ELV066612608 (ELSEVIER)S0013-7944(23)00256-4 DE-627 ger DE-627 rda eng 530 VZ 51.32 bkl Shao, Shuai verfasserin (orcid)0000-0002-4718-2783 aut A linear elastic finite element approach to fatigue life estimation for defect laden materials 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens. Fatigue modeling Laser powder bed fusion (L-PBF/LB-PBF) Linear elastic finite element analysis (LE-FEA) Fracture mechanics Additive manufacturing Poudel, Arun verfasserin (orcid)0000-0002-6703-7057 aut Shamsaei, Nima verfasserin (orcid)0000-0003-0325-7314 aut Enthalten in Engineering fracture mechanics Kidlington : Elsevier Science, 1968 285 Online-Ressource (DE-627)320505006 (DE-600)2012718-2 (DE-576)094752575 nnns volume:285 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_101 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 285
allfields_unstemmed	10.1016/j.engfracmech.2023.109298 doi (DE-627)ELV066612608 (ELSEVIER)S0013-7944(23)00256-4 DE-627 ger DE-627 rda eng 530 VZ 51.32 bkl Shao, Shuai verfasserin (orcid)0000-0002-4718-2783 aut A linear elastic finite element approach to fatigue life estimation for defect laden materials 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens. Fatigue modeling Laser powder bed fusion (L-PBF/LB-PBF) Linear elastic finite element analysis (LE-FEA) Fracture mechanics Additive manufacturing Poudel, Arun verfasserin (orcid)0000-0002-6703-7057 aut Shamsaei, Nima verfasserin (orcid)0000-0003-0325-7314 aut Enthalten in Engineering fracture mechanics Kidlington : Elsevier Science, 1968 285 Online-Ressource (DE-627)320505006 (DE-600)2012718-2 (DE-576)094752575 nnns volume:285 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_101 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 285
allfieldsGer	10.1016/j.engfracmech.2023.109298 doi (DE-627)ELV066612608 (ELSEVIER)S0013-7944(23)00256-4 DE-627 ger DE-627 rda eng 530 VZ 51.32 bkl Shao, Shuai verfasserin (orcid)0000-0002-4718-2783 aut A linear elastic finite element approach to fatigue life estimation for defect laden materials 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens. Fatigue modeling Laser powder bed fusion (L-PBF/LB-PBF) Linear elastic finite element analysis (LE-FEA) Fracture mechanics Additive manufacturing Poudel, Arun verfasserin (orcid)0000-0002-6703-7057 aut Shamsaei, Nima verfasserin (orcid)0000-0003-0325-7314 aut Enthalten in Engineering fracture mechanics Kidlington : Elsevier Science, 1968 285 Online-Ressource (DE-627)320505006 (DE-600)2012718-2 (DE-576)094752575 nnns volume:285 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_101 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 285
allfieldsSound	10.1016/j.engfracmech.2023.109298 doi (DE-627)ELV066612608 (ELSEVIER)S0013-7944(23)00256-4 DE-627 ger DE-627 rda eng 530 VZ 51.32 bkl Shao, Shuai verfasserin (orcid)0000-0002-4718-2783 aut A linear elastic finite element approach to fatigue life estimation for defect laden materials 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens. Fatigue modeling Laser powder bed fusion (L-PBF/LB-PBF) Linear elastic finite element analysis (LE-FEA) Fracture mechanics Additive manufacturing Poudel, Arun verfasserin (orcid)0000-0002-6703-7057 aut Shamsaei, Nima verfasserin (orcid)0000-0003-0325-7314 aut Enthalten in Engineering fracture mechanics Kidlington : Elsevier Science, 1968 285 Online-Ressource (DE-627)320505006 (DE-600)2012718-2 (DE-576)094752575 nnns volume:285 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_101 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 285
language	English
source	Enthalten in Engineering fracture mechanics 285 volume:285
sourceStr	Enthalten in Engineering fracture mechanics 285 volume:285
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topic_facet	Fatigue modeling Laser powder bed fusion (L-PBF/LB-PBF) Linear elastic finite element analysis (LE-FEA) Fracture mechanics Additive manufacturing
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container_title	Engineering fracture mechanics
authorswithroles_txt_mv	Shao, Shuai @@aut@@ Poudel, Arun @@aut@@ Shamsaei, Nima @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
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author	Shao, Shuai
spellingShingle	Shao, Shuai ddc 530 bkl 51.32 misc Fatigue modeling misc Laser powder bed fusion (L-PBF/LB-PBF) misc Linear elastic finite element analysis (LE-FEA) misc Fracture mechanics misc Additive manufacturing A linear elastic finite element approach to fatigue life estimation for defect laden materials
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topic_title	530 VZ 51.32 bkl A linear elastic finite element approach to fatigue life estimation for defect laden materials Fatigue modeling Laser powder bed fusion (L-PBF/LB-PBF) Linear elastic finite element analysis (LE-FEA) Fracture mechanics Additive manufacturing
topic	ddc 530 bkl 51.32 misc Fatigue modeling misc Laser powder bed fusion (L-PBF/LB-PBF) misc Linear elastic finite element analysis (LE-FEA) misc Fracture mechanics misc Additive manufacturing
topic_unstemmed	ddc 530 bkl 51.32 misc Fatigue modeling misc Laser powder bed fusion (L-PBF/LB-PBF) misc Linear elastic finite element analysis (LE-FEA) misc Fracture mechanics misc Additive manufacturing
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title	A linear elastic finite element approach to fatigue life estimation for defect laden materials
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title_full	A linear elastic finite element approach to fatigue life estimation for defect laden materials
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title_sort	a linear elastic finite element approach to fatigue life estimation for defect laden materials
title_auth	A linear elastic finite element approach to fatigue life estimation for defect laden materials
abstract	This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens.
abstractGer	This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens.
abstract_unstemmed	This work assumed that the stress-life behaviors of defect-laden materials converge at a certain low life cycle and attempted to estimate fatigue life by applying relative knock-downs to the endurance limit of a reference stress-life data. Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. These findings were validated against the fatigue lives of laser powder bed fused Ti-6Al-4V specimens.
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title_short	A linear elastic finite element approach to fatigue life estimation for defect laden materials
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up_date	2024-07-06T18:22:30.299Z
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Linear elastic finite element analysis on small cracks initiated from defects was performed to evaluate the effect of defect size, aspect ratio, and location on endurance limit. While for internal defects size and shape are both influential, size and depth were found to be more important for surface defects. 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A linear elastic finite element approach to fatigue life estimation for defect laden materials

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