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steelmaking

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.9781627082327
EISBN: 978-1-62708-232-7
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001490
EISBN: 978-1-62708-232-7
... introduced during the steelmaking process. Leakage Liquid metals Magnesium base alloys Melting pots Nonmetallic inclusions 1022 UNS G10220 1020 UNS G10200 Erosive wear (Other, general, or unspecified) processing-related failures A steel pot used to hold molten magnesium alloys leaked...
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
... failure 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
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001591
EISBN: 978-1-62708-227-3
.../s11837-998-0062-7 13. Bramfitt B.L. , Lawrence S.J. , Leighly H.P. Jr. : Iron & Steelmaker , 1999 , vol. 26 ( 9 ), pp. 29 – 40 . Selected Reference Selected Reference • Becker W.T. and McGarry D. , Mechanisms and Appearances of Ductile and Brittle...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001261
EISBN: 978-1-62708-219-8
... could have been eliminated if a killed steel of quality groups 2 or 3 according to DIN 17 100 had been used. Bars Concrete construction Cracking (fracturing) Steelmaking St 34 (Other, general, or unspecified) processing-related failures In a concrete structure a ceiling was hung on flat...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0065825
EISBN: 978-1-62708-228-0
... the line pipe diameter. In the 1960s, steelmaking technology was found to be inadequate as pipe sizes increased, stresses increased, and service temperatures decreased. Failure analysis revealed that brittle fracture was the culprit. However, application of the standard approach of reducing the ductile...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001839
EISBN: 978-1-62708-241-9
... susceptible to HE, a feature generally attributed to non-uniform plastic deformation [ 3 , 4 ]. The control of hydrogen content in steels is an important task for steelmakers because of its generally detrimental effects on processing characteristics and service performance of steel products...
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
...). Flaking or hairline cracking in steels, particularly in forgings, heavy-section alloy plate steels, and railroad rails, has been an ongoing problem since the beginning of steelmaking and is reviewed in Ref 1 . A major source of hydrogen in certain metals and alloys is the reaction of water vapor...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... a slag (from ironmaking, steelmaking, copper smelting, etc.) or a flux (from other nonferrous metallurgy), either basic (CaO/SiO 2 > 2) or acidic (Ca/SiO 2 < 2, on a molar ratio), where S is a given refractory with a given texture. The second case is represented by a reaction of the type S + G...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001752
EISBN: 978-1-62708-241-9
.... This resulted in hundreds of crankshaft rejections in those identified engine lots. If no PDF was found in either pin sample, the grounded plane was released with the existing crankshaft in place. Although steelmaking and residual element contents of the specified Aerospace Material Specification (AMS) 6414...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001201
EISBN: 978-1-62708-232-7
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048787
EISBN: 978-1-62708-235-8
.... The normal microstructure of 1541 steel for the specified heat treatment was annealed ferrite and pearlite. The chemical composition was normal for 1541 steel. No steelmaking or tubemaking defects were found in the specimen. Cracking of the top of the fire-extinguisher case was the result of ferrite...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
... analyzed in this work. It is well known in the literature [ 16 – 18 ] that nonmetallic inclusions appear in the early stages of steelmaking process, mainly as a consequence of the presence of impurity in the raw material, which is retained in the liquid steel, or as a result of contamination from several...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001077
EISBN: 978-1-62708-214-3
... positioning with pieces of the same composition as the ingot being remelted. Because increased gear reliability in this type of application is necessary, further improvements in steelmaking were needed to reduce the levels ofharmful inclusions and improve homogeneity. A new specification for the gear blank...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001368
EISBN: 978-1-62708-215-0
... in the section size utilized. It appeared that the subsurface flaws were associated with the steelmaking process; the particles were probably alloying elements that did not go into solution. Fine cracks associated with these flaws probably linked together when a torsional load was applied. The subsurface...
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
... kind of residual element. Copper is very difficult to be remove during steelmaking as the oxidation of copper is more difficult than that of iron. Surface hot shortness is a processing problem that can affect steels containing only few tenths of a percent of copper. Heating temperature is a crucial...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001603
EISBN: 978-1-62708-228-0
... within a crack and X-ray analysis of (b) Fe, (c) Si, (d) Ca, and (e) O Inclusion entrapment can occur during steelmaking, casting, and welding from the following sources: entrapment of slag inclusion oxide entrapment during Ca-Si treatment exogenous inclusion entrapment during welding...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001787
EISBN: 978-1-62708-241-9
... steelmaking, especially the amount and size of the oxide and sulfide inclusions. The average PAGS of the carburized layer, the transitive layer, and the matrix are about 19, 18, and 16 μm. The grain size distribution of prior austenite is relatively homogeneous. It is certain that the damage...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
... and plasticity and higher fracture resistance, which will effectively decrease the occurrence of brittle fracture event. Furthermore, considering the fact that almost all rim crackings are nucleated from Al 2 O 3 or 6Al 2 O 3 · CaO inclusions, it is necessary using secondary steelmaking to produce “clean...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001513
EISBN: 978-1-62708-232-7