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coining

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001622
EISBN: 978-1-62708-222-8
... Abstract A stamped coin exhibited visible discolored areas, seen as a tan haze on the surface. The discoloration was considered merely cosmetic. The nonstained and stained regions were studied using SEM/EDS. Greater amounts of aluminum and magnesium were found in the stained area as compared...
Image
Published: 01 December 1993
Fig. 1 Schematic of the coining process More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001523
EISBN: 978-1-62708-227-3
... Abstract In TAKR 300 (Bob Hope) Class transport ships, the builder observed cracking of steel cloverleaf vehicle tie-down deck sockets following installation. Sockets were made from AH36 steel plate by flame cutting and cold coining, then submerged-arc welded to the shop deck. Cracks initiated...
Image
Published: 01 June 2019
Fig. 1 Coin exhibiting a stain in the form of a tan haze More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0090639
EISBN: 978-1-62708-227-3
... to the cold-working coining process, and high residual stresses created by welding. Recommendations included the removal of the brittle, carbon-rich transformed martensite layer introduced by flame cutting and the application of a localized stress-relief heat treatment process. X-ray diffraction residual...
Image
Published: 01 January 2002
Fig. 8 Improper support by a shrink-fitted bushing and a tension overload combined to crack this coining die of type O1 tool steel. More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001361
EISBN: 978-1-62708-215-0
... Spherical bearings 17-4 PH UNS S17400 Fatigue fracture Background A 17-4 PH steering actuator rod end body broke during normal take-off. A rod end bearing is a three-part assembly of rod end body, race and ball. The assembly process (coining), shown in Fig. 1 , is a cold-working procedure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001623
EISBN: 978-1-62708-232-7
... wool (Other, miscellaneous, or unspecified) failure Several glass wool insulation sections from a heat-treat furnace showed visible discoloration. The insulation was originally white but exhibited a gray discoloration in some areas, as shown in Fig. 1 . As in the coin example, this discoloration...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001337
EISBN: 978-1-62708-215-0
... that formed in the steel from the original manufacturing of the tube) in the steel ( Ref 2 , 3 ). Thus, the term “slip-plane graphitization” has been coined. Nucleation then proceeds at sites of higher dislocation densities and/or stacking faults in a preferential manner. In conjunction with the slip-band...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0009222
EISBN: 978-1-62708-180-1
...-concentration is a second. Improper clearances and alignment is a third (the reasons for the failure in Fig. 8 ). Fig. 8 Improper support by a shrink-fitted bushing and a tension overload combined to crack this coining die of type O1 tool steel. Countless ways exist for tools to be accidentally...
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
... with a nickel barrier layer (electroplated) and finished with electroplated tin deposit for solderability ( Fig. 1 ). Termination/carrier strip attachment was reportedly performed in a belt furnace. The carrier strip was stamped from coin silver strip. Solder paste (Pb-8Sn-2Ag) and type RMA flux were used...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
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
... temperature, time, atmosphere, or flux; conditions of the faying surfaces; postbraze cleaning; and service conditions. Brazeability Brazeability is a term that was coined for the relative ease at which a material may be brazed. Low-carbon steels, copper, and copper alloys (except the high-lead...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006911
EISBN: 978-1-62708-395-9
... was first coined by Peter Jost in 1966, derived from the Greek work tribos , meaning “to rub” ( Ref 2 ). While the term tribology emerged in the 20th century, the study of friction and wear dates back to the late 1400s, when Leonardo da Vinci performed some of the first recorded friction experiments...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003514
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... shear lip as the crack completed its passage across the section. It is important to record the extent of each region of the fracture. Photographs of this as well as of the other features of the damage should include a scale marker of some sort, be it a scale rule, a coin, or an instrument such as a pen...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... of the damage should include a scale marker of some sort, be it a scale rule, a coin, or an instrument such as a pen. For large objects such as a tank or pressure vessel, having a person standing beside them when they are photographed can serve the same purpose and allows an impression of the size...