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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004381naa a2200409 4500
001oai:DiVA.org:liu-198484
003SwePub
008231016s2023 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1984842 URI
0247 a https://doi.org/10.1016/j.ijplas.2023.1037382 DOI
040 a (SwePub)liu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Cui, Luqingu Xi An Jiao Tong Univ, Peoples R China4 aut
2451 0a New insights into the anisotropic ductility of additively manufactured Inconel 718
264 1b PERGAMON-ELSEVIER SCIENCE LTD,c 2023
338 a print2 rdacarrier
500 a Funding Agencies|Swedish Governmental Agency for Innovation Systems~ (Vinnova) [2023-JC-QN-0521]; centre for Additive Manufacturing-metal (CAM2); Natural Science Foundation for Youths of Shaanxi Province [2009-00971]; ~AFM at Linkoeping University; SFO-MATLiU [52201140]; National Natural Science Foundation of China [QCYRCXM-2022-239]; Shanxi Province Qin Chuangyuan cited high level innovative and entrepreneurial talents project; [201605175]
520 a Anisotropic ductility in additively manufactured (AM) alloys, namely better ductility along the building direction (BD) has been extensively studied and traditionally attributed to the crystallographic texture. However, recent studies have shown significant ductility anisotropy in weakly or non-textured AM alloys, indicating that other factors may also play critical roles. To explore this, AM Inconel 718 with weak crystallographic texture was selected as the model material, and the in-situ high-energy X-ray diffraction tests together with multiscale microstructural characterization techniques were performed to explore the deformation micromechanisms. The results of this study, for the first time, revealed that the better ductility in the vertical specimen (loading parallel to BD) was partially due to the negative stress triaxiality factor (TF) of the {220} grains during plastic deformation, which results in the shrinkage or even healing of the microvoids. Furthermore, the & delta;-phase alignment in conjunction with grain boundary orientation were also proved to have a pronounced impact on the anisotropic ductility of AM alloys. On the other hand, though in the overall weak-textured microstructure, the proportion of 101 grains were marginally over other grains. Thus, the positive effect of {220} grains on ductility was stronger than the negative effect of {200} and {311} grains, contributing to the excellent failure elongation exceeding 12% for both samples. The findings of this study shed new light on the mechanisms underlying the anisotropic ductility of AM alloys and provide insight into strategies for enhancing their performance.
650 7a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Teknisk mekanik0 (SwePub)203012 hsv//swe
650 7a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Applied Mechanics0 (SwePub)203012 hsv//eng
653 a Additive manufacturing; Inconel 718 (IN718); High-energy X-ray diffraction; Anisotropic ductility; Weak crystallographic texture
7001 a Deng, Dunyong,d 1989-u Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten4 aut0 (Swepub:liu)dunde74
7001 a Jiang, Shuangu Northeastern Univ, Peoples R China4 aut
7001 a Peng, Ruu Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten4 aut0 (Swepub:liu)rupe37
7001 a Xin, Tongzhengu Univ Hong Kong, Peoples R China4 aut
7001 a Zhang, Honghongu Xi An Jiao Tong Univ, Peoples R China4 aut
7001 a Hegedues, Zoltanu Univ Hong Kong, Peoples R China; Deutsch Elektronen Synchrotron DESY, Germany4 aut
7001 a Lienert, Ulrichu Deutsch Elektronen Synchrotron DESY, Germany4 aut
7001 a He, Weifengu Xi An Jiao Tong Univ, Peoples R China4 aut
7001 a Moverare, Johanu Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten4 aut0 (Swepub:liu)johmo31
7102 a Xi An Jiao Tong Univ, Peoples R Chinab Konstruktionsmaterial4 org
7730 t International journal of plasticityd : PERGAMON-ELSEVIER SCIENCE LTDg 169q 169x 0749-6419x 1879-2154
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-198484
8564 8u https://doi.org/10.1016/j.ijplas.2023.103738

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