Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope

Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpre...
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Autor*in:	Kai Ding [verfasserIn] Xiaohong Li [verfasserIn] Bingge Zhao [verfasserIn] Peng Wang [verfasserIn] Yuming Ding [verfasserIn] Fenggui Lu [verfasserIn] Yulai Gao [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	False liquation crack Dissimilar welded joint Element segregation Chemical etching 9% Cr steel

Übergeordnetes Werk:	In: Journal of Materials Research and Technology - Elsevier, 2015, 9(2020), 3, Seite 6048-6058
Übergeordnetes Werk:	volume:9 ; year:2020 ; number:3 ; pages:6048-6058

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.jmrt.2020.04.008

Katalog-ID:	DOAJ037588184

Internformat


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520			\|a Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack.
650		4	\|a False liquation crack
650		4	\|a Dissimilar welded joint
650		4	\|a Element segregation
650		4	\|a Chemical etching
650		4	\|a 9% Cr steel
653		0	\|a Mining engineering. Metallurgy
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700	0		\|a Fenggui Lu \|e verfasserin \|4 aut
700	0		\|a Yulai Gao \|e verfasserin \|4 aut
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publishDate	2020
allfields	10.1016/j.jmrt.2020.04.008 doi (DE-627)DOAJ037588184 (DE-599)DOAJ7b010f6541d84a558586284249dbc315 DE-627 ger DE-627 rakwb eng TN1-997 Kai Ding verfasserin aut Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack. False liquation crack Dissimilar welded joint Element segregation Chemical etching 9% Cr steel Mining engineering. Metallurgy Xiaohong Li verfasserin aut Bingge Zhao verfasserin aut Peng Wang verfasserin aut Yuming Ding verfasserin aut Fenggui Lu verfasserin aut Yulai Gao verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 9(2020), 3, Seite 6048-6058 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:9 year:2020 number:3 pages:6048-6058 https://doi.org/10.1016/j.jmrt.2020.04.008 kostenfrei https://doaj.org/article/7b010f6541d84a558586284249dbc315 kostenfrei http://www.sciencedirect.com/science/article/pii/S223878542031173X kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2038 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_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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 9 2020 3 6048-6058
spelling	10.1016/j.jmrt.2020.04.008 doi (DE-627)DOAJ037588184 (DE-599)DOAJ7b010f6541d84a558586284249dbc315 DE-627 ger DE-627 rakwb eng TN1-997 Kai Ding verfasserin aut Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack. False liquation crack Dissimilar welded joint Element segregation Chemical etching 9% Cr steel Mining engineering. Metallurgy Xiaohong Li verfasserin aut Bingge Zhao verfasserin aut Peng Wang verfasserin aut Yuming Ding verfasserin aut Fenggui Lu verfasserin aut Yulai Gao verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 9(2020), 3, Seite 6048-6058 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:9 year:2020 number:3 pages:6048-6058 https://doi.org/10.1016/j.jmrt.2020.04.008 kostenfrei https://doaj.org/article/7b010f6541d84a558586284249dbc315 kostenfrei http://www.sciencedirect.com/science/article/pii/S223878542031173X kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2038 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_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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 9 2020 3 6048-6058
allfields_unstemmed	10.1016/j.jmrt.2020.04.008 doi (DE-627)DOAJ037588184 (DE-599)DOAJ7b010f6541d84a558586284249dbc315 DE-627 ger DE-627 rakwb eng TN1-997 Kai Ding verfasserin aut Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack. False liquation crack Dissimilar welded joint Element segregation Chemical etching 9% Cr steel Mining engineering. Metallurgy Xiaohong Li verfasserin aut Bingge Zhao verfasserin aut Peng Wang verfasserin aut Yuming Ding verfasserin aut Fenggui Lu verfasserin aut Yulai Gao verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 9(2020), 3, Seite 6048-6058 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:9 year:2020 number:3 pages:6048-6058 https://doi.org/10.1016/j.jmrt.2020.04.008 kostenfrei https://doaj.org/article/7b010f6541d84a558586284249dbc315 kostenfrei http://www.sciencedirect.com/science/article/pii/S223878542031173X kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2038 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_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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 9 2020 3 6048-6058
allfieldsGer	10.1016/j.jmrt.2020.04.008 doi (DE-627)DOAJ037588184 (DE-599)DOAJ7b010f6541d84a558586284249dbc315 DE-627 ger DE-627 rakwb eng TN1-997 Kai Ding verfasserin aut Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack. False liquation crack Dissimilar welded joint Element segregation Chemical etching 9% Cr steel Mining engineering. Metallurgy Xiaohong Li verfasserin aut Bingge Zhao verfasserin aut Peng Wang verfasserin aut Yuming Ding verfasserin aut Fenggui Lu verfasserin aut Yulai Gao verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 9(2020), 3, Seite 6048-6058 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:9 year:2020 number:3 pages:6048-6058 https://doi.org/10.1016/j.jmrt.2020.04.008 kostenfrei https://doaj.org/article/7b010f6541d84a558586284249dbc315 kostenfrei http://www.sciencedirect.com/science/article/pii/S223878542031173X kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2038 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_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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 9 2020 3 6048-6058
allfieldsSound	10.1016/j.jmrt.2020.04.008 doi (DE-627)DOAJ037588184 (DE-599)DOAJ7b010f6541d84a558586284249dbc315 DE-627 ger DE-627 rakwb eng TN1-997 Kai Ding verfasserin aut Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack. False liquation crack Dissimilar welded joint Element segregation Chemical etching 9% Cr steel Mining engineering. Metallurgy Xiaohong Li verfasserin aut Bingge Zhao verfasserin aut Peng Wang verfasserin aut Yuming Ding verfasserin aut Fenggui Lu verfasserin aut Yulai Gao verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 9(2020), 3, Seite 6048-6058 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:9 year:2020 number:3 pages:6048-6058 https://doi.org/10.1016/j.jmrt.2020.04.008 kostenfrei https://doaj.org/article/7b010f6541d84a558586284249dbc315 kostenfrei http://www.sciencedirect.com/science/article/pii/S223878542031173X kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2038 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_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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 9 2020 3 6048-6058
language	English
source	In Journal of Materials Research and Technology 9(2020), 3, Seite 6048-6058 volume:9 year:2020 number:3 pages:6048-6058
sourceStr	In Journal of Materials Research and Technology 9(2020), 3, Seite 6048-6058 volume:9 year:2020 number:3 pages:6048-6058
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	False liquation crack Dissimilar welded joint Element segregation Chemical etching 9% Cr steel Mining engineering. Metallurgy
isfreeaccess_bool	true
container_title	Journal of Materials Research and Technology
authorswithroles_txt_mv	Kai Ding @@aut@@ Xiaohong Li @@aut@@ Bingge Zhao @@aut@@ Peng Wang @@aut@@ Yuming Ding @@aut@@ Fenggui Lu @@aut@@ Yulai Gao @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	768093163
id	DOAJ037588184
language_de	englisch
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However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. 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callnumber-first	T - Technology
author	Kai Ding
spellingShingle	Kai Ding misc TN1-997 misc False liquation crack misc Dissimilar welded joint misc Element segregation misc Chemical etching misc 9% Cr steel misc Mining engineering. Metallurgy Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope
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topic_title	TN1-997 Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope False liquation crack Dissimilar welded joint Element segregation Chemical etching 9% Cr steel
topic	misc TN1-997 misc False liquation crack misc Dissimilar welded joint misc Element segregation misc Chemical etching misc 9% Cr steel misc Mining engineering. Metallurgy
topic_unstemmed	misc TN1-997 misc False liquation crack misc Dissimilar welded joint misc Element segregation misc Chemical etching misc 9% Cr steel misc Mining engineering. Metallurgy
topic_browse	misc TN1-997 misc False liquation crack misc Dissimilar welded joint misc Element segregation misc Chemical etching misc 9% Cr steel misc Mining engineering. Metallurgy
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title	Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope
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title_full	Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope
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author_browse	Kai Ding Xiaohong Li Bingge Zhao Peng Wang Yuming Ding Fenggui Lu Yulai Gao
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title_sort	clarification of the false liquation crack existed in 9% cr/crmov dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope
callnumber	TN1-997
title_auth	Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope
abstract	Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack.
abstractGer	Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack.
abstract_unstemmed	Liquation cracks are generally regarded as thermal defects in various materials, e.g. in steels and nickel-based alloys. However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. The results showed that the element segregation and subsequent chemical etching process were the crucial factors to cause the formation of false liquation crack.
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title_short	Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope
url	https://doi.org/10.1016/j.jmrt.2020.04.008 https://doaj.org/article/7b010f6541d84a558586284249dbc315 http://www.sciencedirect.com/science/article/pii/S223878542031173X https://doaj.org/toc/2238-7854
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However, direct observation of microstructure with crack-like morphology that may be revealed by chemical etching or electrochemical etching methods, might lead to the misinterpretation of liquation cracks. To avoid the possible misinterpretation, comparative etching was employed to reveal the effect of various etching processes on the determination of liquation cracks. As a result, the formation process and mechanism of the false liquation crack in 9% Cr/CrMoV welded joint were clarified. The results obtained by optical microscope (OM) and scanning electron microscope (SEM) in the heat treatment zone of 9% Cr steel (9% Cr-HAZ) after chemical etching clearly demonstrate the existence of crack-like morphology, and the disappearance of element segregation zone after regrinding and re-polishing. Besides, laser scanning confocal microscope (LSCM) was applied to further exhibit the microstructure evolution experiencing high temperature to confirm the possibility of the liquation crack. 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code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">In</subfield><subfield code="t">Journal of Materials Research and Technology</subfield><subfield code="d">Elsevier, 2015</subfield><subfield code="g">9(2020), 3, Seite 6048-6058</subfield><subfield code="w">(DE-627)768093163</subfield><subfield code="w">(DE-600)2732709-7</subfield><subfield code="x">22140697</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:9</subfield><subfield code="g">year:2020</subfield><subfield code="g">number:3</subfield><subfield code="g">pages:6048-6058</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.jmrt.2020.04.008</subfield><subfield code="z">kostenfrei</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doaj.org/article/7b010f6541d84a558586284249dbc315</subfield><subfield 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Clarification of the false liquation crack existed in 9% Cr/CrMoV dissimilar welded joint by comparative etching process and in situ laser scanning confocal microscope

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