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UNS G41400

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0048082
EISBN: 978-1-62708-221-1
... Radii Splines 4140 UNS G41400 Fatigue fracture The horizontal cross-travel shaft on a derrick broke after 2 years of service. Specifications required the shaft to be made of 4140 steel quenched and to a hardness of 302 to 352 HB. Investigation Examination revealed that the shaft had...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047105
EISBN: 978-1-62708-225-9
... were made. Anisotropy Locking collars Plate metal 4140 UNS G41400 Brittle fracture The locking collar on a machine failed suddenly when the shaft it restrained was inadvertently subjected to an axial load slightly higher than the allowable working load ( Fig. 1a ). The locking collar...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0089766
EISBN: 978-1-62708-224-2
... by final machining. Carrier vehicles Chassis Fillet welds Flanges Inclusions Joint design Nonmetallic inclusions Posheating Stress relieving Tubes Welded joints 4140 UNS G41400 1025 UNS G10250 Fatigue fracture Joining-related failures Two tubular steel posts in a carrier vehicle...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047181
EISBN: 978-1-62708-233-4
..., for example, modified AMS 2301. Quenching cracks Seamless tubes 4140 UNS G41400 Metalworking-related failures Heat treating-related failures Hydraulic cylinder housings were being fabricated from 4140 grade seamless steel tubing. During production, magnetic-particle inspection indicated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0046057
EISBN: 978-1-62708-225-9
... was formed as the result of an arc strike during the cadmium-plating operation. Fracture occurred readily when the ring was stressed. No recommendations were made. Cadmium plating Retaining rings Surface defects 4140 UNS G41400 Surface treatment related failures Brittle fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047192
EISBN: 978-1-62708-235-8
... Forgings Rings 4140 UNS G41400 Intergranular fracture Hydrogen damage and embrittlement Fracture of a cadmium-plated accumulator ring forged from 4140 steel was discovered during inspection and disassembly of a hydraulic-accumulator system stored at a depot. The ring had broken into five small...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0046388
EISBN: 978-1-62708-224-2
.... A maintenance lubrication program was not suggested, but galling could be reduced by periodic application of a solid lubricant. Bolts Galling Molybdenum disulfide Solid lubricants Wear resistance 4140 UNS G41400 Abrasive wear Heat treating-related failures Figure 1 shows a bolt...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047830
EISBN: 978-1-62708-235-8
..., the forgings were normalized, hardened and tempered to 28 to 32 HRC before being machined to increase fatigue strength and extremely rough surfaces were removed by careful grinding. Defects 4140 UNS G41400 Fatigue fracture Metalworking-related failures Textile-machine crankshafts like that shown...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001105
EISBN: 978-1-62708-214-3
...-214 4140 UNS G41400 Incoloy 800H UNS N08810 High-temperature corrosion and oxidation Stress-corrosion cracking Handbook of Case Histories in Failure Analysis, Volume 1 Copyright © 1992 ASM International® K.A. Esaklul, editor All rights reserved DOI: 10.31399/asm.fach.v01.c9001105...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047991
EISBN: 978-1-62708-225-9
... races Radar equipment Rockwell hardness 4140 UNS G41400 Heat treating-related failures A large bearing from a radar antenna was replaced because of deformation, surface cracking, and spalling on the raceway of the outer ring. Figure 1(a) shows a sectional view of the bearing. Fig. 1...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0091897
EISBN: 978-1-62708-236-5
... on the inner bearing race, causing final failure of the shaft surface. Recommendations included proper fitting of the shaft and bearing race to preventing movement of the bearing on the shaft. Also, the lock washer and locknut must be installed properly. Vibratory stresses 4140 UNS G41400 Fretting...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001091
EISBN: 978-1-62708-214-3
.... The shaft reportedly was designed to rotate at constant speed (7500 rev/min) during normal service. A steel turbine impeller shaft fractured after 2 months of service. Gas turbines Shafts (power) Torsional fatigue 4140 UNS G41400 Fatigue fracture Handbook of Case Histories in Failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0092155
EISBN: 978-1-62708-221-1
... of the specified surface hardness of 58 HRC. Ferrite Gear boxes Nitriding 4140 UNS G41400 Heat treating-related failures (Other, general, or unspecified) distortion Slipping of components in the left-side final drive train of a tracked military vehicle was detected after the vehicle had been...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001039
EISBN: 978-1-62708-214-3
... ). A sample from the spindle was chemically analyzed and found to be AISI 4140 steel. Agricultural equipment Fillet welds 4140 UNS G41400 Joining-related failures Fatigue fracture Handbook of Case Histories in Failure Analysis, Volume 1 Copyright © 1992 ASM International® K.A. Esaklul, editor All...
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
... broke by overload. Changing the tolerance on the threads virtually eliminated the fatigue problem. Threaded fasteners Tolerance 4140 UNS G41400 Fatigue fracture Background Cylinder clamping rods, Fig. 1 , are used or clamping the cylinder block to the piston assembly in a single...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001179
EISBN: 978-1-62708-228-0
.... Connectors Drilling rigs Hydrogen sulfide Natural gas 4140 UNS G41400 Hydrogen damage and embrittlement During drilling for natural gas in the Ems region in the year 1956, considerable amounts of longitudinal cracks and transverse fractures occurred in the connecting pieces of the bore rods...
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
... of the grade used in the section size utilized. The hardness of the shaft was determined to be 255 HB. Forgings Hydroelectric generators Shafts (power) Turbines 4140 UNS G41400 Fatigue fracture Handbook of Case Histories in Failure Analysis, Volume 2 Copyright © 1993 ASM International® K.A...
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
... for misalignment. Alignment Pulverizers Rolling contact Mechanical properties 4140 UNS G41400 Rolling-contact wear Fatigue fracture Handbook of Case Histories in Failure Analysis, Volume 2 Copyright © 1993 ASM International® K.A. Esaklul, editor All rights reserved DOI: 10.31399/asm.fach.v02.c9001300...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001671
EISBN: 978-1-62708-234-1
... and deliberately caused explosions of large caliber gun tubes. Adiabatic shear Brittle fracture Explosions Gun tubes 4140 UNS G41400 (Other, miscellaneous, or unspecified) failure Introduction Gun tubes are built to resist pressures well above 100 ksi, but these limits may be easily exceeded...
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
... 4140 UNS G41400 Metalworking-related failures Intergranular fracture Handbook of Case Histories in Failure Analysis, Volume 2 Copyright © 1993 ASM International® K.A. Esaklul, editor All rights reserved DOI: 10.31399/asm.fach.v02.c9001302 www.asminternational.org ...