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non-AISI steels

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001582
EISBN: 978-1-62708-233-4
...Abstract Abstract This article discusses the failure of cylinder clamping rods in single cylinder diesel engines. The AISI 4140 hardened and tempered steel clamping rods were failing after 200 to 250 h of operation. The fatigue failures initiated at the root of the last thread on the clamping...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001542
EISBN: 978-1-62708-217-4
...Abstract Abstract A nose landing gear cylinder made from AISI 4340 Ni-Cr-Mo alloy steel was found cracked and leaking, causing partial depressurization. Investigation revealed the crack to be a stress-corrosion type, judging by the 6500x electron fractograph. It had started in a region...
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
...Abstract Abstract Brittle intergranular fracture, typical of a hydrogen-induced delayed failure, caused the failure of an AISI 4340 Cr-Mo-Ni landing gear beam. Corrosion resulting from protective coating damage released nascent hydrogen, which diffused into the steel under the influence...
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
... fracture morphologies observed in such cases and metallographic appearances of MnS-containing materials are illustrated. structural components fracture inclusions resulfurized steel stringers microstructural analysis fracture resistance AISI 11xx (resulfurized carbon steel) Introduction...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001300
EISBN: 978-1-62708-215-0
...Abstract Abstract A bull gear from a coal pulverizer at a utility failed by rolling-contact fatigue as the result of continual overloading of the gear and a nonuniform, case-hardened surface of the gear teeth. The gear consisted of an AISI 4140 Cr-Mo steel gear ring that was shrunk fit...
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
...Abstract Abstract The failure of a spiral bevel gear from the transmission of a helicopter was discovered when the transmission was removed after an in-flight incident. Two adjacent teeth from the carburized AISI 9310 steel gear were found to have undergone fatigue failure. Internal initiation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001579
EISBN: 978-1-62708-226-6
... fixation devices used to stabilize fractured femurs. The plate was made of AISI Type 316L stainless steel and was correctly positioned 8 on the tension side of the bone ( Fig. 1 ). Fig. 1 Scheme of bone fracture and bone plate positioning The plate had fractured at the fourth hole from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001171
EISBN: 978-1-62708-219-8
... be concluded that the causes for the steel susceptibility to intercrystalline corrosion may be quite different, but all of them involve precipitation at the grain boundaries of a surplus phase (non-equilibrium or equilibrium carbides or other phases from γ solid solution). In particular, the austenitic...
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
... This paper describes an investigation of the cause of defects and failures during flow forming of thin wall high strength tubes from AISI 4130 steel. The investigation includes study of the various metallurgical and/or machine parameters likely to cause these problems. The common defects reported...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001131
EISBN: 978-1-62708-214-3
...Abstract Abstract Two 25 x 40 mm (1 x 1.5 in.) AISI 4150 hot-rolled steel bars that cracked during heat treatment were examined to determine whether the heat treating procedure had contributed to the failure. Metallographic examination of a cross section taken through the fracture revealed...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001770
EISBN: 978-1-62708-241-9
.... , Flavio L. , Herculano G. , Miranda H.C. , Araújo W.S. , Jorcin J. , Pébère N. : Determination of the sensitized zone extension in welded AISI 304 stainless steel using non-destructive electrochemical techniques . Mater. Des. 50 , 1149 – 1155 ( 2008 ) 10.1016/j.corsci...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001367
EISBN: 978-1-62708-215-0
... were that of an AISI 4300 alloy steel ( Fig. 3 ). Fig. 2 Standardless semi-quantitative SEM/EDS element analysis data and graph of typical corrosion residue present in some of the cracks in the eye of the second-stage impeller. The high sodium content was believed to be the corrosion component...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001302
EISBN: 978-1-62708-215-0
...Abstract Abstract To forged AISI 4140 steel trailer kingpins fractured after 4 to 6 months of service. Fractographic and metallographic examination revealed that cracks were present in the spool-flange shoulder region of the defective kingpins prior to installation on the trailers. The cracks...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... for an unalloyed steel (American Iron and Steel Institute, or AISI, 1045) in Fig. 1 . Time-temperature-transformation diagrams can only be read along the isotherms. The temperature A 1 is where transformation to austenite begins, and temperature A 3 is where the transformation to austenite is complete. Fig...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001766
EISBN: 978-1-62708-241-9
.... mooring anchor fracture weld defect carbon steel weld crack energy dispersive spectroscopy torsional strength AISI 1045 (nonresulfurized carbon steel) UNS G10450 Introduction During erection of a set of power transmission lines crossing a major interstate highway, a temporary anchor being...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
...) abrasive embedded in the surface of a partly prepared specimen of lead Fig. 36 (a) Central bursting during extruding of AISI 4615 alloy steel specimen was promoted by (b) the presence of bainite and martensite (arrows point to microcracks in the martensite) in the as-rolled stock. Specimen etched...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001764
EISBN: 978-1-62708-241-9
...Abstract Abstract High failure rates in the drive shafts of 40 newly acquired articulated buses was investigated. The drive shafts were fabricated from a low-carbon (0.45%) steel similar to AISI 5046. Investigators examined all 40 buses, discovering six different drive shaft designs across...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001527
EISBN: 978-1-62708-224-2
...Abstract Abstract Mechanical properties of wire ropes, their chemical composition, and the failure analysis process for them are described. The wires are manufactured from high-carbon, plain carbon steel, with high-strength ropes most often manufactured from AISI Grade 1074. During visual...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001309
EISBN: 978-1-62708-215-0
... Mn, 0.08 C, 0.006 P, 0.028 S, was found. This composition corresponds with ASE/AISI 1008, a low-carbon steel. Mechanical Properties The hardness of the base tubing material was found to be 31 HRB, or an approximate tensile strength of 235 MPa (34 ksi). The hardness in the weld area was found...
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
... of a metallurgical failure analysis is to determine the root cause of failure. Whether dealing with metallic or non-metallic materials, the root cause can normally be assigned to design, materials, manufacturing, and/or maintenance problems. Often, several adverse conditions also contribute to the failure process...