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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001679
EISBN: 978-1-62708-229-7
... Abstract Several mercury diffusion pump stages in the Tritium Purification process at the Savannah River Site (SRS) have been removed from service for scheduled preventive maintenance. These stages have been examined to determine if failure has occurred. Evidence of fatigue around the flange...
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
... Abstract The failure mode of through-wall cracking of a butt weld in a 5083-O aluminum alloy piping system in an ethylene plant was identified as mercury liquid metal embrittlement. As a result of this finding, 226 of the more than 400 butt welds in the system were ultrasonically inspected for...
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
... Abstract Failure of three C22000 commercial bronze rupture discs was caused by mercury embrittlement. The discs were part of flammable gas cylinder safety devices designed to fail in a ductile mode when cylinders experience higher than design pressures. The subject discs failed prematurely...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001036
EISBN: 978-1-62708-214-3
... Abstract A 1984 Chevrolet Blazer was being pushed by three youths after it ran out of gas when it was hit from behind by a 1979 Mercury Cougar. One of the youths was crushed between the two vehicles and killed. Optical microscopy was used to examine the tungsten filaments from the headlamps of...
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
... discolored and exhibit a characteristic color or sheen. In the case of LMIE, the fracture is, of course, covered by a visible layer of the embrittler metal. For example, at room temperature, mercury or its alloys are liquid, and other metals are present as a resolidified coating. Mercury-induced failures...
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
... of LME as a failure analysis tool is also discussed. fasteners nozzles valves fracture mercury lead cadmium zinc structural alloys cracking cleavage radiography fracture toughness 5083-O (wrought aluminum magnesium alloy) UNS A95083 10Zn-2Pb (free-machining brass...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001838
EISBN: 978-1-62708-241-9
... dispersive x-ray spectroscopy (EDX) nor the backscattered electron mode (BSE) revealed any traces of LME-causing foreign metals such as copper, zinc, lead, cadmium, mercury, indium, bismuth, tin, or others. The latter testing mode, in particular, should have found any present evidence for LME since lateral...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001843
EISBN: 978-1-62708-241-9
... electronic waste. RoHS is often referred to as the lead-free directive, but it restricts the use of the following six substances: Lead Mercury Cadmium Hexavalent chromium (Cr 6+ ) Polybrominated biphenyls (PBB) Polybrominated diphenyl ether (PBDE). Though RoHS is a step in the...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001103
EISBN: 978-1-62708-214-3
...-dock fitting of the propeller. Various reviews and papers on the SCC of copper alloys ( Ref 1 - 3 ) indicate that the most aggressive corrosion agent capable of producing stress cracking (in environments where mercury is known to be absent) is ammonia and that, in alpha-beta alloys of the type...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001710
EISBN: 978-1-62708-229-7
... important in the SRS basins are: High basin water conductivity. Aggressive ions like chloride, copper, sulfate, and mercury. Sludge (contains Fe, Cl, Etc., in 10× water concentrations). Galvanic couple between stainless steel bucket/hanger and aluminum fuel. Galvanic couples between...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... alloy 2024-T4 plates that failed by liquid metal embrittlement. The plates were inoculated with liquid mercury and then loaded to fracture in tension. The plates broke at a stress well below the nominal yield strength. Rapid fracture occurred under these conditions, producing a fracture surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001695
EISBN: 978-1-62708-229-7
... ions like chloride, copper, and mercury. Sludge (contains Fe, Cl, Etc., in 10× water concentrations). Galvanic couple between stainless steel bucket/hanger and aluminum fuel. Galvanic couple between aluminum and uranium. Scratches and imperfections in protective oxide coating on the...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... Hydrogen embrittlement by grain-boundary absorption of hydrogen Stress-corrosion cracking, can be intergranular or transgranular Liquid metal induced embrittlement, for example, mercury in brass, lithium in 304 stainless steel Solid metal induced embrittlement Low-melting-temperature elements...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... elements of tin, antimony, and mercury are used for this purpose. Fig. 25 Cathodic protection of a buried pipeline using a buried magnesium anode. Source: Ref 13 Impressed-current protection requires buried anodes and an electrical connection between the protected structure and the current...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... the presence of dissolved heavy-metal ions such as copper, mercury, or lead. Some aluminum alloys are used for sacrificial anodes in seawater. An active, anodic alloy is used to clad aluminum, protecting it against pitting in some applications. Contact of aluminum with more cathodic metals should...