Tensile fracture behavior of notched 9Cr-1Mo ferritic-martensitic steel specimens in contact with liquid lead-bismuth eutectic at 350 °C

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Tensile fracture behavior of notched 9Cr-1Mo ferritic-martensitic steel specimens in contact with liquid lead-bismuth eutectic at 350 °C. / Gong, Xing; Stergar, Erich; Marmy, Pierre; Gavrilov, Serguei.

In: Materials Science and Engineering: A, Vol. 692, 24.04.2017, p. 139-145.

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@article{0e8f20d9f21b4f9cbd0a8af0e9e9bcdb,
title = "Tensile fracture behavior of notched 9Cr-1Mo ferritic-martensitic steel specimens in contact with liquid lead-bismuth eutectic at 350 °C",
abstract = "Cracking jumps were observed in notched T91 (9Cr-1Mo ferritic-martensitic steel) specimens tested in liquid lead-bismuth eutectic (LBE) at 350 °C under tensile loading. The cracking jumps manifested themselves as being regular steps at tensile curves, while as being fatigue striation-like markings at fracture surfaces. The markings were consisted of liquid metal embrittlement (LME) zones and ductile zones. The liquid LBE was adsorbed at crack tip and likely reduced the interatomic bonding strength, leading to cracking in a brittle way and release of elastic energy in the load line. This unique phenomenon was found to be associated with coupled effects of LME and compliance/stiffness of tensile machines.",
keywords = "T91, LBE, LME, Fracture",
author = "Xing Gong and Erich Stergar and Pierre Marmy and Serguei Gavrilov",
note = "Score=10",
year = "2017",
month = "4",
day = "24",
doi = "10.1016/j.msea.2017.03.067",
language = "English",
volume = "692",
pages = "139--145",
journal = "Materials Science and Engineering: A",
issn = "0921-5093",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Tensile fracture behavior of notched 9Cr-1Mo ferritic-martensitic steel specimens in contact with liquid lead-bismuth eutectic at 350 °C

AU - Gong, Xing

AU - Stergar, Erich

AU - Marmy, Pierre

AU - Gavrilov, Serguei

N1 - Score=10

PY - 2017/4/24

Y1 - 2017/4/24

N2 - Cracking jumps were observed in notched T91 (9Cr-1Mo ferritic-martensitic steel) specimens tested in liquid lead-bismuth eutectic (LBE) at 350 °C under tensile loading. The cracking jumps manifested themselves as being regular steps at tensile curves, while as being fatigue striation-like markings at fracture surfaces. The markings were consisted of liquid metal embrittlement (LME) zones and ductile zones. The liquid LBE was adsorbed at crack tip and likely reduced the interatomic bonding strength, leading to cracking in a brittle way and release of elastic energy in the load line. This unique phenomenon was found to be associated with coupled effects of LME and compliance/stiffness of tensile machines.

AB - Cracking jumps were observed in notched T91 (9Cr-1Mo ferritic-martensitic steel) specimens tested in liquid lead-bismuth eutectic (LBE) at 350 °C under tensile loading. The cracking jumps manifested themselves as being regular steps at tensile curves, while as being fatigue striation-like markings at fracture surfaces. The markings were consisted of liquid metal embrittlement (LME) zones and ductile zones. The liquid LBE was adsorbed at crack tip and likely reduced the interatomic bonding strength, leading to cracking in a brittle way and release of elastic energy in the load line. This unique phenomenon was found to be associated with coupled effects of LME and compliance/stiffness of tensile machines.

KW - T91

KW - LBE

KW - LME

KW - Fracture

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/25233920

U2 - 10.1016/j.msea.2017.03.067

DO - 10.1016/j.msea.2017.03.067

M3 - Article

VL - 692

SP - 139

EP - 145

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

SN - 0921-5093

ER -

ID: 2705722