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Liquid metal induced embrittlement

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
... Abstract Metal-induced embrittlement is a phenomenon in which the ductility or fracture stress of a solid metal is reduced by surface contact with another metal in either liquid or solid form. This article summarizes the characteristics of solid metal induced embrittlement (SMIE) and liquid...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... Abstract Metal-induced embrittlement is a phenomenon in which the ductility or the fracture stress of a solid metal is reduced by surface contact with another metal in either the liquid or solid form. This article summarizes some of the characteristics of liquid-metal- and solid-metal-induced...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001102
EISBN: 978-1-62708-214-3
... treatment related failures Liquid metal induced embrittlement Four cadmium-plated studs failed unexpectedly in a nil-ductility manner. The studs were made of low-alloy steel heat treated to 27 to 32 HRC. They were in operation for only a few hours prior to failure. All fractures...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001318
EISBN: 978-1-62708-215-0
... Intergranular fracture Mercury Rupturing Safety equipment C22000 UNS C22000 Liquid metal induced embrittlement Since initial analyses on the disc samples revealed no indications of mercury, stress-corrosion cracking by ammonia, nitrogen compounds or sulfur compounds was...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001719
EISBN: 978-1-62708-231-0
... Liquid copper Locomotive axles ASTM A21 Liquid metal induced embrittlement Failures of locomotive axles have occurred for more than 100 years. These failures are common and often not properly examined with the relevant metallographic tools available. Failures of all types of locomotive axles have...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001812
EISBN: 978-1-62708-241-9
... Abstract Several cases of embrittlement failure are analyzed, including liquid-metal embrittlement (LME) of an aluminum alloy pipe in a natural gas plant, solid metal-induced embrittlement (SMIE) of a brass valve in an aircraft engine oil cooler, LME of a cadmium-plated steel screw from a...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047602
EISBN: 978-1-62708-235-8
... fixture surface and that this could have penetrated the stainless steel in the presence of tensile thermal-contraction stresses. The cracks in the weldments were a form of liquid-metal embrittlement caused by contact with superficially melted copper from the fixture and subsequent grain-boundary attack of...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001339
EISBN: 978-1-62708-215-0
... equipment that was in operation prior to the installation of the mercury-removal bed. Butt welds Chemical processing equipment Ethylene Hydrocarbons Mercury Repair welding 5083-O UNS A95083 Intergranular corrosion Liquid metal induced embrittlement A through-wall...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... operations such as: Refining (precipitates upon solidification from supersaturated concentrations) Acid cleaning (pickling) Electroplating Contact with water or other hydrogen-containing liquids or gases Depending on the type of hydrogen-metal interaction, hydrogen damage of metal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... readily available during the production, processing, and service of metals from operations such as: Refining (precipitates upon solidification from supersaturated concentrations) Acid cleaning (pickling) Electroplating Contact with water or other hydrogen-containing liquids or gases...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001558
EISBN: 978-1-62708-217-4
...” shaped longitudinal trough in the bottom of the valve body. The location of the crack which caused the failure is indicated in Fig. 1(b). The valve was carrying liquid hydrogen at a pressure of 41.3 MPa when it ruptured, and the temperature of the metal at the site of crack initiation on the internal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... engineering metals and alloys and is caused by a wide variety of mechanical and environmental factors, such as grain-boundary embrittlement and decohesive separation along the grain boundaries at elevated (creep-regime) temperatures. For service temperatures below the creep regime (i.e., approximately 0.4 to...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001117
EISBN: 978-1-62708-214-3
... brittle fracture. The causes of such localized embrittlement became the focus of the investigation. Three mechanisms were possible: stress-corrosion cracking (SCC), liquid metal embrittlement (LME), and hydrogen embrittlement. Stress-corrosion cracking failures are caused by the combined action of the...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001447
EISBN: 978-1-62708-235-8
... a large extent, a phenomenon similar to hydrogen embrittlement may be observed in oxygen-bearing copper (more than 0.2% O 2 ). The cuprous oxide which is present at the grain boundaries originates from the melting process and is soluble in liquid copper to form, with copper, a strongly embrittling...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
...-corrosion cracking, hydrogen embrittlement, and liquid-metal embrittlement of bolts and nuts. The article explains the most commonly used protective metal coatings for ferrous metal fasteners. Zinc, cadmium, and aluminum are commonly used for such coatings. The article also illustrates the performance of...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
... Abstract This article provides a background of friction-bearing failures due to overheating. The failures of locomotive axles caused by overheated traction-motor support bearings are discussed. The article also describes liquid-metal embrittlement (LME) in steel. It examines the results of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001004
EISBN: 978-1-62708-229-7
... machined from broken charpy specimens and fractured at liquid nitrogen temperatures in a scanning auger microprobe, SAM. Ten separate grain boundaries were analysed, utilising auger spectroscopy ( 9 ) in each sample. An incident electron beam current of 5 × 10 −7 A was used at a magnification of ×200 and...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... an overload failure. It also presents examples of thermally and environmentally induced embrittlement effects that can alter the overload fracture behavior of metals. atomic structure brittle cracking crack propagation crystalline structure ductile cracking ductility environmentally...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... the metallurgical characteristic of a particular alloy system. Fig. 2 Ten different types of flaws that may be found in rolled bars. (a) Inclusions. (b) Laminations from spatter (entrapped splashes) during the pouring. (c) Slivers. (d) Scabs are caused by splashing liquid metal in the mold. (e...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
..., nitrogen, oxygen) Embrittlement of copper by antimony Reduction of Cu 2 O in tough pitch copper by hydrogen Hydrogen embrittlement by grain-boundary absorption of hydrogen Stress-corrosion cracking (sometimes) Liquid metal induced embrittlement (LMIE), for example, mercury in brass, lithium...