1-20 of 52 Search Results for

copper entrapment

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Published: 01 December 2019
Fig. 4 Schematic diagram of the copper entrapment in the steel [ 1 ] More
Image
Published: 01 December 2019
Fig. 5 Prominent possibilities of copper entrapment More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001836
EISBN: 978-1-62708-241-9
..., investigators concluded the pipe was contaminated with copper at the mill were it was produced. line pipe cracks copper contamination high-strength low-alloy pipe steel copper entrapment SEM backscattered electron analysis bend ductility API 5L X65 PSL2 (high-strength low-alloy steel...
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
... to be contamination occurring in the casting process that became concentrated in the recycled skimmings. It was recommended that future material specifications for skimmings and for externally obtained scrap copper include a trace analysis for tellurium. Cupronickel Embrittlement Segregations Tellurium...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001493
EISBN: 978-1-62708-235-8
... Abstract An open electrical circuit was found between plated through-holes in a six-layer printed circuit board after thermal cycling. The copper plating was very thin in the failure area but did make an electrical contact during initial testing. During thermal cycling, differential z-expansion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048607
EISBN: 978-1-62708-225-9
... installations were examined. It was found that fracture of the bolts was by intergranular stress corrosion. A metallic copper-containing antiseizure compound on the bolts in a corrosive medium set up an electro-chemical cell that produced trenchlike fissures or pits for fracture initiation. Because the bolts...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001665
EISBN: 978-1-62708-231-0
... steel. Before it was fully dissolved, the steel solidified leaving the remaining copper as entrapped liquid. Some of this penetrated the austenite grain boundaries, and what remained solidified as copper inclusions. The copper vein shown in Figures 7 and 8 is an example of copper at a prior...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001356
EISBN: 978-1-62708-215-0
... was also recommended. Rotating equipment 18Mn-5Cr Pitting corrosion Intergranular corrosion Stress-corrosion cracking Background Applications Retaining rings are used in electrical generators to resist the centrifugal forces of the copper windings and are among the most highly stressed...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001005
EISBN: 978-1-62708-215-0
... 0.60 – 1.00 Chromium 0.94 0.75 – 1.00 Molybdenum 0.15 0.15 – 0.25 Nickel 0.15 … Phosphorus 0.008 0.035 max Sulfur 0.023 0.040 max Vanadium 0.004 … Copper 0.17 … Aluminum 0.018 … Mechanical Properties Hardness Hardness was the only mechanical...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... of wrought products. The article addresses the types of flaws or defects that can be introduced during the steel forging process itself, including defects originating in the ingot-casting process. Defects found in nonferrous forgings—titanium, aluminum, and copper and copper alloys—also are covered...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
.... Nital etch. Transverse and (b) longitudinal sections. (c) Copper water pipe. Ferric chloride etch. Transverse and (d) longitudinal sections Cleaning Fracture Surfaces The practices that should be used when cleaning fracture surfaces are: Use the mildest agent possible and take care...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... metals to ceramics. Procedures for brazing various materials such as cast irons, steels, stainless steels, heat-resistant alloys, aluminum alloys, titanium alloys, copper alloys, reactive and refractory metals, and carbon and graphite are described in Welding, Brazing, and Soldering , Volume 6...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001778
EISBN: 978-1-62708-241-9
... sectioned from the fractured end of each failed wire rod for optical microscopy and electron probe microanalysis. These samples were individually mounted in electrically conductive copper-containing resin and polished by conventional metallographic techniques. The polished samples were etched in 2% nital...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006827
EISBN: 978-1-62708-329-4
... between metal workpieces. For electronic manufacturing, solder alloys with lead or copper are commonly used; they have a relatively low melting point (~180 to 220 °C, or 355 to 430 °F), good mechanical properties for impact and fatigue resistance, and decent thermal and electrical conductivity ( Ref 1...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001053
EISBN: 978-1-62708-214-3
... of the nozzle weld were made with AWS 7024 weld rod, the inclusions were found to be welding slag from the cover passes. Consequently, the arc strike must have been made when one of the final passes was made. Fig. 6 Metallographic section through the failure origin, showing the arc strike, entrapped slag...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... supply and reduced abrasive component in the sliding contact. Dimples or grooves in the surface can eliminate the effect of wear particles by entrapping them, thereby suppressing their abrasive and plowing action. Furthermore, they can act as oil reservoirs, feeding lubricant directly into the contact...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... sulfur that is added to form manganese sulfide for machinability. Similarly, castings may contain entrapped sand, refractory, and so on. Wrought products also can have flaws that carryover from casting such as: Chips from spatter (entrapped splashes) during the pouring of into a mold...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... analysis, metallographic analysis, and simulated-service tests. It provides case studies for the analysis of SCC service failures and their occurrence in steels, stainless steels, and commercial alloys of aluminum, copper, magnesium, and titanium. aluminum alloys austenitic stainless steel carbon...
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
... fatigue fracture misalignment tungsten alloy steel fatigue cracking optical microscopy hardness T1 tungsten high-speed steel UNS T12001 Copper-based bearing alloys Background The ball bearing assembly consisted of an inner race, an outer race, a cage, and balls. This bearing supported...