In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints

This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent...
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Autor*in:	Khafagy, Khaled H. [verfasserIn] Stoumbos, Tom G. [verfasserIn] Inoyama, Daisaku [verfasserIn] Datta, Siddhant [verfasserIn] Chattopadhyay, Aditi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Adhesives Composite lap joints Defects Thermomechanical testing Digital image correlation (DIC) Finite element analysis

Übergeordnetes Werk:	Enthalten in: Composite structures - Amsterdam : Elsevier, 1983, 300
Übergeordnetes Werk:	volume:300

DOI / URN:	10.1016/j.compstruct.2022.116113

Katalog-ID:	ELV008514275

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520			\|a This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions.
650		4	\|a Adhesives
650		4	\|a Composite lap joints
650		4	\|a Defects
650		4	\|a Thermomechanical testing
650		4	\|a Digital image correlation (DIC)
650		4	\|a Finite element analysis
700	1		\|a Stoumbos, Tom G. \|e verfasserin \|4 aut
700	1		\|a Inoyama, Daisaku \|e verfasserin \|4 aut
700	1		\|a Datta, Siddhant \|e verfasserin \|4 aut
700	1		\|a Chattopadhyay, Aditi \|e verfasserin \|4 aut
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allfields	10.1016/j.compstruct.2022.116113 doi (DE-627)ELV008514275 (ELSEVIER)S0263-8223(22)00850-9 DE-627 ger DE-627 rda eng 670 VZ 51.75 bkl Khafagy, Khaled H. verfasserin aut In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions. Adhesives Composite lap joints Defects Thermomechanical testing Digital image correlation (DIC) Finite element analysis Stoumbos, Tom G. verfasserin aut Inoyama, Daisaku verfasserin aut Datta, Siddhant verfasserin aut Chattopadhyay, Aditi verfasserin aut Enthalten in Composite structures Amsterdam : Elsevier, 1983 300 (DE-627)320509044 (DE-600)2013177-X (DE-576)094531447 0263-8223 nnns volume:300 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_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_2008 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_4046 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe VZ AR 300
spelling	10.1016/j.compstruct.2022.116113 doi (DE-627)ELV008514275 (ELSEVIER)S0263-8223(22)00850-9 DE-627 ger DE-627 rda eng 670 VZ 51.75 bkl Khafagy, Khaled H. verfasserin aut In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions. Adhesives Composite lap joints Defects Thermomechanical testing Digital image correlation (DIC) Finite element analysis Stoumbos, Tom G. verfasserin aut Inoyama, Daisaku verfasserin aut Datta, Siddhant verfasserin aut Chattopadhyay, Aditi verfasserin aut Enthalten in Composite structures Amsterdam : Elsevier, 1983 300 (DE-627)320509044 (DE-600)2013177-X (DE-576)094531447 0263-8223 nnns volume:300 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_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_2008 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_4046 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe VZ AR 300
allfields_unstemmed	10.1016/j.compstruct.2022.116113 doi (DE-627)ELV008514275 (ELSEVIER)S0263-8223(22)00850-9 DE-627 ger DE-627 rda eng 670 VZ 51.75 bkl Khafagy, Khaled H. verfasserin aut In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions. Adhesives Composite lap joints Defects Thermomechanical testing Digital image correlation (DIC) Finite element analysis Stoumbos, Tom G. verfasserin aut Inoyama, Daisaku verfasserin aut Datta, Siddhant verfasserin aut Chattopadhyay, Aditi verfasserin aut Enthalten in Composite structures Amsterdam : Elsevier, 1983 300 (DE-627)320509044 (DE-600)2013177-X (DE-576)094531447 0263-8223 nnns volume:300 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_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_2008 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_4046 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe VZ AR 300
allfieldsGer	10.1016/j.compstruct.2022.116113 doi (DE-627)ELV008514275 (ELSEVIER)S0263-8223(22)00850-9 DE-627 ger DE-627 rda eng 670 VZ 51.75 bkl Khafagy, Khaled H. verfasserin aut In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions. Adhesives Composite lap joints Defects Thermomechanical testing Digital image correlation (DIC) Finite element analysis Stoumbos, Tom G. verfasserin aut Inoyama, Daisaku verfasserin aut Datta, Siddhant verfasserin aut Chattopadhyay, Aditi verfasserin aut Enthalten in Composite structures Amsterdam : Elsevier, 1983 300 (DE-627)320509044 (DE-600)2013177-X (DE-576)094531447 0263-8223 nnns volume:300 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_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_2008 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_4046 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe VZ AR 300
allfieldsSound	10.1016/j.compstruct.2022.116113 doi (DE-627)ELV008514275 (ELSEVIER)S0263-8223(22)00850-9 DE-627 ger DE-627 rda eng 670 VZ 51.75 bkl Khafagy, Khaled H. verfasserin aut In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions. Adhesives Composite lap joints Defects Thermomechanical testing Digital image correlation (DIC) Finite element analysis Stoumbos, Tom G. verfasserin aut Inoyama, Daisaku verfasserin aut Datta, Siddhant verfasserin aut Chattopadhyay, Aditi verfasserin aut Enthalten in Composite structures Amsterdam : Elsevier, 1983 300 (DE-627)320509044 (DE-600)2013177-X (DE-576)094531447 0263-8223 nnns volume:300 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_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_2008 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_4046 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe VZ AR 300
language	English
source	Enthalten in Composite structures 300 volume:300
sourceStr	Enthalten in Composite structures 300 volume:300
format_phy_str_mv	Article
bklname	Verbundwerkstoffe Schichtstoffe
institution	findex.gbv.de
topic_facet	Adhesives Composite lap joints Defects Thermomechanical testing Digital image correlation (DIC) Finite element analysis
dewey-raw	670
isfreeaccess_bool	false
container_title	Composite structures
authorswithroles_txt_mv	Khafagy, Khaled H. @@aut@@ Stoumbos, Tom G. @@aut@@ Inoyama, Daisaku @@aut@@ Datta, Siddhant @@aut@@ Chattopadhyay, Aditi @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	320509044
dewey-sort	3670
id	ELV008514275
language_de	englisch
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author	Khafagy, Khaled H.
spellingShingle	Khafagy, Khaled H. ddc 670 bkl 51.75 misc Adhesives misc Composite lap joints misc Defects misc Thermomechanical testing misc Digital image correlation (DIC) misc Finite element analysis In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints
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topic_title	670 VZ 51.75 bkl In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints Adhesives Composite lap joints Defects Thermomechanical testing Digital image correlation (DIC) Finite element analysis
topic	ddc 670 bkl 51.75 misc Adhesives misc Composite lap joints misc Defects misc Thermomechanical testing misc Digital image correlation (DIC) misc Finite element analysis
topic_unstemmed	ddc 670 bkl 51.75 misc Adhesives misc Composite lap joints misc Defects misc Thermomechanical testing misc Digital image correlation (DIC) misc Finite element analysis
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title	In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints
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title_full	In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints
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title_sort	in-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints
title_auth	In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints
abstract	This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions.
abstractGer	This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions.
abstract_unstemmed	This paper presents an experimental investigation into the thermomechanical properties and failure modes of toughened epoxy adhesives and composite-to-aluminum bonded joints in high and low temperature conditions. First, nondestructive evaluation techniques were utilized to characterize the inherent defect morphology of bulk adhesives and the bonded joint interface. This was followed by quasi-static tensile testing conducted over a temperature range of −37 °C to 57 °C. The damage mechanisms and failure modes were investigated using in-situ digital image correlation (DIC) and high-resolution camera. The information from the morphology characterization studies was also used to reconstruct high-fidelity geometries of the test specimens for finite element (FE) analysis. The elastic properties and tensile strength of bulk adhesive test specimens showed significant deterioration while exhibiting considerable ductility at higher temperatures. DIC and FE analysis revealed the strong influence of size and distribution of defects on the material properties and damage localization. In addition, post-fracture surface characterization of the adhesively bonded specimens revealed failure modes ranging between adherent-dominant to adhesive-dominant modes at low and high-temperature conditions.
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title_short	In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints
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author2	Stoumbos, Tom G. Inoyama, Daisaku Datta, Siddhant Chattopadhyay, Aditi
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up_date	2024-07-06T19:57:39.624Z
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In-situ investigation of temperature-dependent adhesive properties and failure modes in composite bonded joints

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