Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating

The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were u...
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Gespeichert in:

Autor*in:	Nataraj, M.V. [verfasserIn] Swaroop, S. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Laser shock peening without coating Ti-2.5 Cu Residual stress-sin Electron backscattered diffraction Mechanical twins Nano precipitates

Übergeordnetes Werk:	Enthalten in: Vacuum - Amsterdam [u.a.] : Elsevier Science, 1951, 213
Übergeordnetes Werk:	volume:213

DOI / URN:	10.1016/j.vacuum.2023.112078

Katalog-ID:	ELV009869573

Internformat


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245	1	0	\|a Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating
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520			\|a The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy.
650		4	\|a Laser shock peening without coating
650		4	\|a Ti-2.5 Cu
650		4	\|a Residual stress-sin
650		4	\|a Electron backscattered diffraction
650		4	\|a Mechanical twins
650		4	\|a Nano precipitates
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allfields	10.1016/j.vacuum.2023.112078 doi (DE-627)ELV009869573 (ELSEVIER)S0042-207X(23)00275-0 DE-627 ger DE-627 rda eng 530 VZ 58.19 bkl 33.09 bkl 52.78 bkl Nataraj, M.V. verfasserin aut Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy. Laser shock peening without coating Ti-2.5 Cu Residual stress-sin Electron backscattered diffraction Mechanical twins Nano precipitates Swaroop, S. verfasserin (orcid)0000-0001-9872-811X aut Enthalten in Vacuum Amsterdam [u.a.] : Elsevier Science, 1951 213 Online-Ressource (DE-627)271176393 (DE-600)1479044-0 (DE-576)114088187 0042-207X nnns volume:213 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_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_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_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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.19 Verfahrenstechnik: Sonstiges VZ 33.09 Physik unter besonderen Bedingungen VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 213
spelling	10.1016/j.vacuum.2023.112078 doi (DE-627)ELV009869573 (ELSEVIER)S0042-207X(23)00275-0 DE-627 ger DE-627 rda eng 530 VZ 58.19 bkl 33.09 bkl 52.78 bkl Nataraj, M.V. verfasserin aut Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy. Laser shock peening without coating Ti-2.5 Cu Residual stress-sin Electron backscattered diffraction Mechanical twins Nano precipitates Swaroop, S. verfasserin (orcid)0000-0001-9872-811X aut Enthalten in Vacuum Amsterdam [u.a.] : Elsevier Science, 1951 213 Online-Ressource (DE-627)271176393 (DE-600)1479044-0 (DE-576)114088187 0042-207X nnns volume:213 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_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_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_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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.19 Verfahrenstechnik: Sonstiges VZ 33.09 Physik unter besonderen Bedingungen VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 213
allfields_unstemmed	10.1016/j.vacuum.2023.112078 doi (DE-627)ELV009869573 (ELSEVIER)S0042-207X(23)00275-0 DE-627 ger DE-627 rda eng 530 VZ 58.19 bkl 33.09 bkl 52.78 bkl Nataraj, M.V. verfasserin aut Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy. Laser shock peening without coating Ti-2.5 Cu Residual stress-sin Electron backscattered diffraction Mechanical twins Nano precipitates Swaroop, S. verfasserin (orcid)0000-0001-9872-811X aut Enthalten in Vacuum Amsterdam [u.a.] : Elsevier Science, 1951 213 Online-Ressource (DE-627)271176393 (DE-600)1479044-0 (DE-576)114088187 0042-207X nnns volume:213 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_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_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_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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.19 Verfahrenstechnik: Sonstiges VZ 33.09 Physik unter besonderen Bedingungen VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 213
allfieldsGer	10.1016/j.vacuum.2023.112078 doi (DE-627)ELV009869573 (ELSEVIER)S0042-207X(23)00275-0 DE-627 ger DE-627 rda eng 530 VZ 58.19 bkl 33.09 bkl 52.78 bkl Nataraj, M.V. verfasserin aut Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy. Laser shock peening without coating Ti-2.5 Cu Residual stress-sin Electron backscattered diffraction Mechanical twins Nano precipitates Swaroop, S. verfasserin (orcid)0000-0001-9872-811X aut Enthalten in Vacuum Amsterdam [u.a.] : Elsevier Science, 1951 213 Online-Ressource (DE-627)271176393 (DE-600)1479044-0 (DE-576)114088187 0042-207X nnns volume:213 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_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_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_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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.19 Verfahrenstechnik: Sonstiges VZ 33.09 Physik unter besonderen Bedingungen VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 213
allfieldsSound	10.1016/j.vacuum.2023.112078 doi (DE-627)ELV009869573 (ELSEVIER)S0042-207X(23)00275-0 DE-627 ger DE-627 rda eng 530 VZ 58.19 bkl 33.09 bkl 52.78 bkl Nataraj, M.V. verfasserin aut Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy. Laser shock peening without coating Ti-2.5 Cu Residual stress-sin Electron backscattered diffraction Mechanical twins Nano precipitates Swaroop, S. verfasserin (orcid)0000-0001-9872-811X aut Enthalten in Vacuum Amsterdam [u.a.] : Elsevier Science, 1951 213 Online-Ressource (DE-627)271176393 (DE-600)1479044-0 (DE-576)114088187 0042-207X nnns volume:213 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_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_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_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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.19 Verfahrenstechnik: Sonstiges VZ 33.09 Physik unter besonderen Bedingungen VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 213
language	English
source	Enthalten in Vacuum 213 volume:213
sourceStr	Enthalten in Vacuum 213 volume:213
format_phy_str_mv	Article
bklname	Verfahrenstechnik: Sonstiges Physik unter besonderen Bedingungen Oberflächentechnik Wärmebehandlung
institution	findex.gbv.de
topic_facet	Laser shock peening without coating Ti-2.5 Cu Residual stress-sin Electron backscattered diffraction Mechanical twins Nano precipitates
dewey-raw	530
isfreeaccess_bool	false
container_title	Vacuum
authorswithroles_txt_mv	Nataraj, M.V. @@aut@@ Swaroop, S. @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	271176393
dewey-sort	3530
id	ELV009869573
language_de	englisch
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author	Nataraj, M.V.
spellingShingle	Nataraj, M.V. ddc 530 bkl 58.19 bkl 33.09 bkl 52.78 misc Laser shock peening without coating misc Ti-2.5 Cu misc Residual stress-sin misc Electron backscattered diffraction misc Mechanical twins misc Nano precipitates Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating
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topic_title	530 VZ 58.19 bkl 33.09 bkl 52.78 bkl Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating Laser shock peening without coating Ti-2.5 Cu Residual stress-sin Electron backscattered diffraction Mechanical twins Nano precipitates
topic	ddc 530 bkl 58.19 bkl 33.09 bkl 52.78 misc Laser shock peening without coating misc Ti-2.5 Cu misc Residual stress-sin misc Electron backscattered diffraction misc Mechanical twins misc Nano precipitates
topic_unstemmed	ddc 530 bkl 58.19 bkl 33.09 bkl 52.78 misc Laser shock peening without coating misc Ti-2.5 Cu misc Residual stress-sin misc Electron backscattered diffraction misc Mechanical twins misc Nano precipitates
topic_browse	ddc 530 bkl 58.19 bkl 33.09 bkl 52.78 misc Laser shock peening without coating misc Ti-2.5 Cu misc Residual stress-sin misc Electron backscattered diffraction misc Mechanical twins misc Nano precipitates
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title	Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating
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title_full	Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating
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author_browse	Nataraj, M.V. Swaroop, S.
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author-letter	Nataraj, M.V.
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title_sort	effects of power density on residual stress and microstructural behavior of ti-2.5cu alloy by laser shock peening without coating
title_auth	Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating
abstract	The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy.
abstractGer	The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy.
abstract_unstemmed	The present study concerns the micro structural changes of Ti-2.5 Cu after LPwC at various laser intensities (i.e., ≈ 3 GW cm−2, 6 GW cm−2 and 9 GW cm−2). X-ray diffraction (XRD), electron backscattered diffraction (EBSD), transmission electron microscope (TEM) were used to analyze the microstructure. X-ray photoelectron spectroscopy (XPS) was used to characterize the oxidation behavior of the samples after peening. The depth profile of residual stress was obtained using the sin2ѱ X-ray diffraction technique, and the compressive residual stress increased for all the peened conditions in the surface and sub-surface regions, and the maximum obtained was −402.44 MPa at 50 μm depth for the 9 GW cm−2. Furthermore, the cross-sectional micro hardness of the peened samples improved at a depth of 50 μm with increasing laser intensity. For the highest energy, the maximum hardness at a depth of 50 μm was 439.40 HV (0.1), which was higher than the unpeened sample (315.56 HV0.1). TEM studies showed nano precipitates (50–170 nm), mechanical twins with a width ranging from (27.20–118.51 nm) and cell size dislocation structure. EBSD results conformed the high angle grain boundaries increased to 43% with the formation of mechanical twins at the higher energy.
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title_short	Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating
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up_date	2024-07-07T00:38:07.236Z
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Effects of power density on residual stress and microstructural behavior of Ti-2.5Cu alloy by laser shock peening without coating

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