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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001626
EISBN: 978-1-62708-235-8
... Abstract A type 17-4PH stainless steel tube exhibited brown discoloration after a pickling operation. EDS analysis of the extracted substance revealed relatively high levels of iron and chromium, along with lower amounts of aluminum, silicon, sulfur, chlorine, calcium, manganese, and nickel...
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Published: 01 June 2019
Fig. 9 Microstructure of weld seams, etch: V2A-pickling solution. 50 × More
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Published: 01 June 2019
Fig. 4 Microstructure of hardened zone, etch: V2A-pickling solution. 500 × More
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Published: 01 June 2019
Fig. 5 Unchanged microstructure of spindle, etch: V2A-pickling solution. 500 × More
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Published: 01 June 2019
Fig. 10 Longitudinal section, etch: V2A-pickling solution. 100 ×. Crack in transition from weld seam (left) to spindle (location a in Fig. 9 ). More
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Published: 01 June 2019
Fig. 11 Longitudinal section, etch: V2A-pickling solution. 100 ×. Crack in weld seam (location b in Fig. 9 ). More
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Published: 01 December 1993
Fig. 1 Components after pickling and passivation treatment. (a) Component A. (b) Component B. 0.6×. More
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Published: 01 June 2019
Fig. 3 Microstructure in the cracked zone revealed by etching with V2A pickle. 200 × More
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Published: 01 June 2019
Fig. 5 Highly magnified micrograph of section etched with stainless steel pickle. 1000 × More
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Published: 01 June 2019
Fig. 5 As Fig. 4 ., after etching with V2A pickle, 200× More
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Published: 01 June 2019
Fig. 3 Microstructure of a specimen from impeller I. Etched with V2A pickle. 500 × More
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Published: 01 June 2019
Fig. 3 Transverse section through a slightly oxidized spot. Etch: V2A pickle. 15× More
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Published: 01 June 2019
Fig. 4 Core structure of the spiral. Transverse section. Etch: V2A pickle. 75× More
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Published: 01 June 2019
Fig. 4 Microstructure of sheet. 500×. Etch: V2A-pickle. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001519
EISBN: 978-1-62708-223-5
... suspicion of hydrogen embrittlement. It appeared that fracture in service progressed transgranularly to produce delayed failure under dynamic loading. The pickling process used to remove heat scale was suspected to be the source of hydrogen on the surface of the bolt. The manufacturer was requested...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048147
EISBN: 978-1-62708-234-1
... during investigation. Etch pits were revealed by the cleaned surface which were never observed on properly phosphated coating. It was interpreted that the spring had been subjected to an abnormal acid attack in pickling or phosphating which had resulted in considerable absorption of hydrogen by the metal...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001282
EISBN: 978-1-62708-215-0
... Abstract Two AISI type 316 stainless steel components intended for use in a reducer section for sodium piping in a fast breeder test reactor were found to be severely corroded—the first soon after pickling, and the second after passivation treatments. Metallographic examination revealed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001746
EISBN: 978-1-62708-217-4
... mechanism. As for the factors involved, cadmium plating, acid pickling, and steelmaking processes introduce hydrogen on part surfaces. As a second contributing factor, both bolts were 10 Rc points higher in hardness than specified (25 Rc), lessening ductility and notch toughness. A third factor...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001373
EISBN: 978-1-62708-215-0
... Abstract Two new chrome-plated CDA 377 brass valves intended for inert gas service failed on initial installation. After a pickling operation to clean the metal, the outer surfaces of the valves had been flashed with copper and then plated with nickel and chromium for aesthetic purposes. One...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001208
EISBN: 978-1-62708-229-7
... of broken spindle (left: weld), longitudinal section, etch: V2A-pickling solution. 100 × Fig. 4 Microstructure of hardened zone, etch: V2A-pickling solution. 500 × Fig. 5 Unchanged microstructure of spindle, etch: V2A-pickling solution. 500 × Based upon the results...