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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001054
EISBN: 978-1-62708-214-3
...Abstract Abstract Silver solid-state bonded components containing uranium failed under zero or low applied load several years after manufacture. The final operation in their manufacture was a proof loading that applied a sustained tensile stress to the bond, which all components passed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0006898
EISBN: 978-1-62708-233-4
...Abstract Abstract Several fuses made of nickel silver (57 to 61% Cu, 11 to 13% Ni, bal Zn) exposed to air containing ammonium and nitrate ions failed by SCC. Test solutions of 1 N ammonium nitrate (NH4NO3) and a 1:1 mixture of 1 N sodium nitrate (NaNO3) and 1 N calcium nitrate (Ca(NO3) 2) were...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0090460
EISBN: 978-1-62708-234-1
... as a result of molecular degradation caused by the service conditions. Specifically, the part material had undergone severe chemical attack, including oxidation and hydrolysis, through contact with silver chloride. The source of the silver chloride was not established, but one potential source...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001076
EISBN: 978-1-62708-214-3
...Abstract Abstract The silver layer on a thrust bearing face experienced electrostatic discharge attack (the bombardment of an in-line series of individual sparks onto the soft bearing face), which destroyed the integrity of the bearing surface. The electrical attack appeared as scratches...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001487
EISBN: 978-1-62708-234-1
... at which time silver-bearing copper was not available. The use of hard-drawn silver-bearing copper for a rewind, in conjunction with special attention to blocking up the end windings, is confidently expected to effect a complete cure. Alternators Deformation Cu-Ag (Other, general, or unspecified...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091631
EISBN: 978-1-62708-229-7
... or the boiler water. To check for chlorides, the inside of the tubing was rinsed with distilled water, and the rinse water was collected in a clean beaker. A few drops of silver nitrate solution were added to the rinse water, which clouded slightly because of the formation of insoluble silver chloride...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001389
EISBN: 978-1-62708-215-0
... Fig. 3 Schematic showing the silver-refractory metal contacts Fig. 1 Typical microstructure of a 50Ag–50Mo contact. The light areas are silver, the dark areas molybdenum. 380× Fig. 2 Typical microstructure of a 27Ag–73W contact. The light areas are silver, the dark areas...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001439
EISBN: 978-1-62708-235-8
... alloy containing silver, copper, cadmium and zinc, such as those in group AG1 or AG2 of BS 1845 would be more suitable. However, because corrosive problems experienced in these units indicated severe service conditions, a proprietary alloy similar to AG1, but containing 3% nickel, was recommended...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001031
EISBN: 978-1-62708-214-3
.... The rodlike silver precipitates within the matrix of the banded region ( Fig. 7 ) occur from high-temperature deformation, which was the result of the pressure gradient in the weakened liner material. The high temperature facilitated the rearrangement of silver precipitates along low-energy sites...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
...× Fig. 12 Interface on a group 3 resistor. Note the increased thickness at the critical interface. This was caused by the forces exerted by the expansion and contraction of the silver carrier plate during soldering. The polymer contamination (most likely resin separation from the epoxy thick-film ink...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001023
EISBN: 978-1-62708-214-3
... of the components revealed that the splines of the shaft and of the bevel gear had failed completely from severe fretting wear. The splines of the shaft had been plated with a silver alloy to provide fretting wear resistance. The bevel gear is normally held to the shaft by a special castellated nut, support ring...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001755
EISBN: 978-1-62708-241-9
... loading.[ 4 ] The material of the cage was silicon bronze with a silver coating on it. Silver coating is used to give good resistance to fretting and improves the bedding-in and running properties of harder bearing materials.[ 5 ] The balls had the shoulder impression of the outer race. It indicated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047745
EISBN: 978-1-62708-235-8
... (more than 10%) of silver and copper and minor amounts (0.5 to 10%) of cadmium and zinc, which confirmed that it had been derived from the filler metal. However, the residue conjectured to be flux contained a major amount of zinc and a minor amount of cadmium, which are unlikely as constituents of flux...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001754
EISBN: 978-1-62708-241-9
... diameter—0.4688″. Cage material: AMS 6415 (4340 steel), 28–35 HRC, Silver plated per AMS 2412. During the investigation, segments from each bearing component were excised for general material characterization involving hardness and chemical analysis. Hardness was tested with a microhardness tester...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003527
EISBN: 978-1-62708-180-1
... on silver halide crystals in the film emulsion. In digital photography, the image is recorded on a microelectronic sensor made up of an array of light-sensitive elements similar to the silver halide crystals in a film emulsion. The captured image is stored in a removable media that is subsequently used...
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
... on lead, new lead-free solders had to be developed. The most common replacements are tin–copper, tin–silver, and tin–silver–copper. All three alloys have similar solderability property to the lead-tin solders they are replacing. However, one property they do not possess is an inherent resistance...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001411
EISBN: 978-1-62708-234-1
..., and copper welding rods to B.S. 1077, or a copper-silver-phosphorus brazing alloy as recommended in B.S. 699, would have been preferable. The form of joint also leaves much to be desired; the filler metal had simply been run round the periphery of the pipe, there being little penetration between, and fusion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048158
EISBN: 978-1-62708-229-7
... centrifugally cast leaded nickel brass (German silver). The broken springs were submitted for laboratory analysis. Fig. 1 Inconel X-750 spring that failed by stress-corrosion cracking. (a) Configuration and dimensions (given in inches) of the spring. (b) and (c) Unetched longitudinal sections showing...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001815
EISBN: 978-1-62708-241-9
.... : Air conditioner failure investigation—intergranular cracking in a pure copper condenser tube . J. Fail. Anal. Preven. 5 ( 1 ), 79 – 85 ( 2005 ) 10.1361/15477020522122 9. Bianchi G.L. , Galvele J.R. : Stress corrosion cracking of pure copper and pure silver in gaseous...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001335
EISBN: 978-1-62708-215-0
... with a small amount of silver nitrate added to the nitric acid was used, the grain boundaries of the embrittled tube were attacked ( Fig. 2 ), suggesting that an intergranular constituent was causing the embrittlement. A fracture surface was produced and examined in the scanning electron microscope (SEM...