Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys

S. Zhang; H. Fang; M. E. Gramsma; C. Kwakernaak; W. G. Sloof; F. D. Tichelaar; E. Brück; S. van der Zwaag; N. H. van Dijk; null More Authors

doi:10.1007/s11661-016-3642-0

Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys

S. Zhang, H. Fang, M. E. Gramsma, C. Kwakernaak, W. G. Sloof, F. D. Tichelaar, E. Brück, S. van der Zwaag, N. H. van Dijk^*, More Authors

^*Corresponding author for this work

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Abstract

We have investigated the autonomous repair of creep damage by site-selective precipitation in a binary Fe-Mo alloy (6.2 wt pct Mo) during constant-stress creep tests at temperatures of 813 K, 823 K, and 838 K (540 °C, 550 °C, and 565 °C). Scanning electron microscopy studies on the morphology of the creep-failed samples reveal irregularly formed deposits that show a close spatial correlation with the creep cavities, indicating the filling of creep cavities at grain boundaries by precipitation of the Fe₂Mo Laves phase. Complementary transmission electron microscopy and atom probe tomography have been used to characterize the precipitation mechanism and the segregation at grain boundaries in detail.

Original language	English
Pages (from-to)	4831-4844
Journal	Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science
Volume	47
Issue number	10
DOIs	https://doi.org/10.1007/s11661-016-3642-0
Publication status	Published - 2016

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Zhang, S., Fang, H., Gramsma, M. E., Kwakernaak, C., Sloof, W. G., Tichelaar, F. D., Brück, E., van der Zwaag, S., van Dijk, N. H., & More Authors (2016). Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys. Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, 47(10), 4831-4844. https://doi.org/10.1007/s11661-016-3642-0

Zhang, S. ; Fang, H. ; Gramsma, M. E. ; Kwakernaak, C. ; Sloof, W. G. ; Tichelaar, F. D. ; Brück, E. ; van der Zwaag, S. ; van Dijk, N. H. ; More Authors. / Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys. In: Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science. 2016 ; Vol. 47, No. 10. pp. 4831-4844.

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title = "Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys",

abstract = "We have investigated the autonomous repair of creep damage by site-selective precipitation in a binary Fe-Mo alloy (6.2 wt pct Mo) during constant-stress creep tests at temperatures of 813 K, 823 K, and 838 K (540 °C, 550 °C, and 565 °C). Scanning electron microscopy studies on the morphology of the creep-failed samples reveal irregularly formed deposits that show a close spatial correlation with the creep cavities, indicating the filling of creep cavities at grain boundaries by precipitation of the Fe2Mo Laves phase. Complementary transmission electron microscopy and atom probe tomography have been used to characterize the precipitation mechanism and the segregation at grain boundaries in detail.",

author = "S. Zhang and H. Fang and Gramsma, {M. E.} and C. Kwakernaak and Sloof, {W. G.} and Tichelaar, {F. D.} and E. Br{\"u}ck and {van der Zwaag}, S. and {van Dijk}, {N. H.} and {More Authors}",

year = "2016",

doi = "10.1007/s11661-016-3642-0",

language = "English",

volume = "47",

pages = "4831--4844",

journal = "Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science",

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}

Zhang, S, Fang, H, Gramsma, ME, Kwakernaak, C, Sloof, WG, Tichelaar, FD , Brück, E , van der Zwaag, S , van Dijk, NH & More Authors 2016, 'Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys', Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, vol. 47, no. 10, pp. 4831-4844. https://doi.org/10.1007/s11661-016-3642-0

Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys. / Zhang, S.; Fang, H.; Gramsma, M. E.; Kwakernaak, C.; Sloof, W. G.; Tichelaar, F. D.; Brück, E.; van der Zwaag, S.; van Dijk, N. H.; More Authors.

In: Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, Vol. 47, No. 10, 2016, p. 4831-4844.

Research output: Contribution to journal › Article › Scientific › peer-review

TY - JOUR

T1 - Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys

AU - Zhang, S.

AU - Fang, H.

AU - Gramsma, M. E.

AU - Kwakernaak, C.

AU - Sloof, W. G.

AU - Tichelaar, F. D.

AU - Brück, E.

AU - van der Zwaag, S.

AU - van Dijk, N. H.

AU - More Authors, null

PY - 2016

Y1 - 2016

N2 - We have investigated the autonomous repair of creep damage by site-selective precipitation in a binary Fe-Mo alloy (6.2 wt pct Mo) during constant-stress creep tests at temperatures of 813 K, 823 K, and 838 K (540 °C, 550 °C, and 565 °C). Scanning electron microscopy studies on the morphology of the creep-failed samples reveal irregularly formed deposits that show a close spatial correlation with the creep cavities, indicating the filling of creep cavities at grain boundaries by precipitation of the Fe2Mo Laves phase. Complementary transmission electron microscopy and atom probe tomography have been used to characterize the precipitation mechanism and the segregation at grain boundaries in detail.

AB - We have investigated the autonomous repair of creep damage by site-selective precipitation in a binary Fe-Mo alloy (6.2 wt pct Mo) during constant-stress creep tests at temperatures of 813 K, 823 K, and 838 K (540 °C, 550 °C, and 565 °C). Scanning electron microscopy studies on the morphology of the creep-failed samples reveal irregularly formed deposits that show a close spatial correlation with the creep cavities, indicating the filling of creep cavities at grain boundaries by precipitation of the Fe2Mo Laves phase. Complementary transmission electron microscopy and atom probe tomography have been used to characterize the precipitation mechanism and the segregation at grain boundaries in detail.

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JO - Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science

JF - Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science

SN - 1073-5623

IS - 10

ER -

Autonomous filling of grain-boundary cavities during creep loading in Fe-Mo alloys

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