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high strength steel

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001556
EISBN: 978-1-62708-218-1
...Abstract Abstract A few Cr-Mo steel piston rods from different production batches were found identically cracked in the eye end near the radius after chrome plating and baking treatment. Two of them cracked in the plating stage itself instantly broke on slight tapping. Cracking initiated from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001731
EISBN: 978-1-62708-217-4
... in aircraft parts. The results of the laboratory studies indicate that unusual care is necessary in the processing and fabrication of ultra-high-strength steel and in the design and maintenance of the structures in which it is used. Aircraft components Forgings Landing gear Ultrahigh strength steels...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001030
EISBN: 978-1-62708-214-3
..., it is recommended that all machining of high-strength steels be performed using fixtured equipment with specified and controlled cutting speeds, feeds, and coolants. ...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001601
EISBN: 978-1-62708-235-8
... forming of high strength SAE 4130 steel tubes. The major defects observed are fish scaling, premature burst, diametral growth, microcracks, and macrocracks. This paper analyzes the defects and arrives at the causative factors contributing to the various failure modes. Expert system Inclusions...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048626
EISBN: 978-1-62708-225-9
...Abstract Abstract Cadmium-plated high-strength steel bolts were used to facilitate quick disassembly of a vehicle. One bolt was found fractured across the root of a thread after being torqued in place for one week. The bolts were made of 8735 steel heat treated to a tensile strength of 1241...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001178
EISBN: 978-1-62708-235-8
... of fracture were fine-grained and had not spread by rubbing. Because the screws were electrolytically galvanized, failure resulted from “delayed fracture.” Experience has shown that this type of fracture is seen on production parts made of high-strength steels, which absorbed hydrogen during pickling...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0047423
EISBN: 978-1-62708-236-5
... material had not been used to make the weld. Repair welds in high-strength steel castings should always be made with low-hydrogen filler materials. Filler metals Heat affected zone Repair welding Fe-0.18C-1.37Ni-0.42Cr-0.31Mo Fatigue fracture Joining-related failures A large shackle used...
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
...Abstract Abstract Stainless steel bolts broke after short-term exposure in boiler feed-pump applications. Specifications required that the bolts be made of a 12% Cr high-strength steel with a composition conforming to that of AISI type 410 stainless steel. Several bolts from three different...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001539
EISBN: 978-1-62708-236-5
... prohibit grinding on high-strength steel; chromium should be stripped by electrochemical methods. Bolts Chromium plating Grinding cracks 4340 UNS G43400 Intergranular fracture During an overhaul, mechanics discovered a crack in a pivot bolt when they ground off the chromium plating...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
...Specific types of hydrogen damage Table 1 Specific types of hydrogen damage Specific damage process/mechanism Most common in Comments Hydrogen embrittlement High-strength steels and heavily cold-worked low-carbon steels, ambient temperatures Needs sustained stress...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
...Specific types of hydrogen damage Table 1 Specific types of hydrogen damage Specific damage process/mechanism Most common in Comments Hydrogen embrittlement High-strength steels and heavily cold-worked low-carbon steels, ambient temperatures Needs sustained stress. Not relevant...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001148
EISBN: 978-1-62708-228-0
... of Fractures Utilizing the SEM,” Metallography in Failure Analysis, Plenum Press , New York , 1977 , pp. 76 – 82 . 6. Gerberich W. W. , “Effects of Hydrogen on High Strength and Martensitic Steels,” Hydrogen in Metals , Metals Park, Ohio , pp. 12 . 7. Troiano A. R. , “General...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0090929
EISBN: 978-1-62708-236-5
... was sufficient to fracture the screws. No recommendations were made. Fasteners Installing Screw threads High-strength steel Ductile fracture One lot of size M5 × 0.8 mm, class 8.8 metric screws with a proprietary head design were failing during application. The screws were reportedly failing...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001805
EISBN: 978-1-62708-241-9
... ]. With a susceptible material, sufficient stress, and sufficient environmental-induced hydrogen formation, fracture will occur. It should be noted that in high-strength steels, such as these subject scissors, the mechanisms of hydrogen embrittlement and stress corrosion cracking (SCC) are believed to be the same [ 2...
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
... or high-strength steels—very common materials—striations may often be difficult to distinguish, because the microstructure strongly influences the local crack orientation, and nonstriation fatigue features can be more apparent than the striations themselves. In addition, if the crack closes on itself due...
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
... of High Strength Steels in a Gaseous Hydrogen Atmosphere , Metall. Trans. A , Vol 14 , 1983 , p 717 – 726 10.1007/BF02643788 25. Johnson W.C. and Stein D.F. , A Study of Grain Boundary Segregants in Thermally Embrittled Maraging Steel , Metall. Trans. , Vol 5 , 1974 , p 549...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
... of elongated inclusions on the mechanical properties of high strength steel plate , in Sulfide Inclusions in Steel: Proceedings of an International Symposium , American Society for Metals , 1975 4. Bellot J. , Gantois M. , The influence of ‘sulfide-type’ inclusions on the mechanical...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001792
EISBN: 978-1-62708-241-9
... that the gearbox shaft was made of low alloy SAE 4340 [ 4 ] which is considered to have excellent notch toughness, which is in anomaly compared with other high strength steels. Tempered martensitic microstructure (see Fig. 3a ) revealed by metallography on gearbox shaft materials suggests that the shaft was heat...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... C.J. Jr. , Intergranular Fracture in Steels , Mater. Sci. Eng. , Vol 25 , 1976 , p 233 – 239 10.1016/0025-5416(76)90075-6 20. Nakamura M. and Furubayashi E.-I. , Crack Propagation of High Strength Steels in a Gaseous Hydrogen Atmosphere , Metall. Trans. A , Vol 14...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001254
EISBN: 978-1-62708-225-9
... to decreasing amounts of Al.N. The bars were normalized. In this state they showed a normal transcrystailine fracture topography. Because prior experience has shown that in the case of grain boundary precipitates the fracture follows these grain boundaries at normal temperature only if a high strength steel...