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Heat treating-related failures

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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
.... It also provides information on the methods of minimizing distortion and tempering. The article concludes with a discussion on the effect of heat treatment processes on microstructure/property-related failures. cooling cracking distortion heat treatment metallurgical crystal structure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001196
EISBN: 978-1-62708-224-2
.... The surface cracks assisted the initiation fracture. Selected Reference Selected Reference • Totten G.E. , Narazaki M. , Blackwood R.R. and Jarvis L.M. , Failures Related to Heat Treating Operations , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001212
EISBN: 978-1-62708-235-8
... that the numerous hardening cracks were caused by abrupt quenching from over-heating temperature and by local stress concentrations due to indentations of the tool caused during alignment. Cracking (fracturing) Flame hardening Quenching C45 Heat treating-related failures Operation handles produced...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001093
EISBN: 978-1-62708-214-3
... the forming operation. Selected References Selected References • Totten G.E. , Narazaki M. , Blackwood R.R. and Jarvis L.M. , Failures Related to Heat Treating Operations , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 192 – 223...
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.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.matlhand.c9001209
EISBN: 978-1-62708-224-2
... any sense at all to case harden highly stressed chains of this type. Selected References Selected References • Totten G.E. , Narazaki M. , Blackwood R.R. and Jarvis L.M. , Failures Related to Heat Treating Operations , Failure Analysis and Prevention , Vol 11 , ASM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006394
EISBN: 978-1-62708-217-4
... treatment (which would offer lower strength but higher toughness) could be used for this part. Grain boundaries Precipitates Scanning electron microscopy Sensitizing 17-7 PH UNS S17700 Intergranular corrosion Stress-corrosion cracking Heat treating-related failures Brittle fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001553
EISBN: 978-1-62708-217-4
... Decarburizing Forgings Alloy steel Heat treating-related failures Fatigue fracture During examination of a failed engine in which a connecting rod had ruptured in fatigue, investigators were unable to detect any evidence of excessive stresses, detonation, overheating, or oil starvation. Though...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0092148
EISBN: 978-1-62708-235-8
.... Hydraulic valves Retained austenite Seizing 8620 UNS G86200 1117 UNS G11170 (Other, general, or unspecified) distortion Heat treating-related failures Occasional failures were experienced in spool-type valves used in a hydraulic system. When a valve would fail, the close-fitting rotary valve...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0048674
EISBN: 978-1-62708-222-8
... and embrittlement Heat treating-related failures The fastener shown in Fig. 1 was used to secure plastic fabric or webbing to the aluminum framework of outdoor furniture. Several clips were required on each piece of furniture, and these had to hold the fabric for several seasons of varying weather...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048257
EISBN: 978-1-62708-217-4
... the gears for hardening. Selected Reference Selected Reference • Totten G.E. , Narazaki M. , Blackwood R.R. and Jarvis L.M. , Failures Related to Heat Treating Operations , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 192 – 223...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001502
EISBN: 978-1-62708-234-1
... was activated by a nonfunctioning induction hardening coil that did not or was not allowed to harden the midprofile of several teeth. Hardness Induction hardening Mining Motor trucks Spur gears 4147H UNS H41470 Heat treating-related failures Spalling wear A portion of two large spur tooth...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001642
EISBN: 978-1-62708-235-8
..., and experienced excessive distortion because they were left in the furnace for extended and varying periods with the temperature “turned down a couple hundred degrees.” Carbides Decarburization Quenching and tempering Carbon steel Heat treating-related failures This case study actually involves...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047072
EISBN: 978-1-62708-217-4
... to the T6 temper after forming. Aircraft components Gas turbine engines Spot welds 2024-T42 UNS A92024 6061-T6 UNS A96061 Joining-related failures Fatigue fracture Heat treating-related failures Postflight inspection of a gas-turbine aircraft engine that had experienced compressor stall...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0045988
EISBN: 978-1-62708-235-8
... Grain size Hardness 410 UNS S41000 Heat treating-related failures Transgranular fracture Brittle fracture The clamp-strap assembly shown in Fig. 1 , which was used for securing the caging mechanism on a star-tracking telescope, fractured during installation. In installation, the clamp ends...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001214
EISBN: 978-1-62708-235-8
... Related to Heat Treating Operations , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 192 – 223 10.31399/asm.hb.v11.a0003510 ...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047187
EISBN: 978-1-62708-225-9
... Forgings Gears Overheating Pinions Fe-1.60Mn-5Cr Spalling wear Intergranular fracture Heat treating-related failures A gear manufacturer experienced service problems with various gears and pinions that had worn prematurely or had fractured. All gears and pinions were forged from 1.60Mn-5Cr...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001907
EISBN: 978-1-62708-217-4
... bolts Grain flow Carburizing Hy-Tuf UNS K325599 Heat treating related failures Metalworking related failures Stress-corrosion cracking Introduction Component: LAU-7 missile launcher attachment bolts Manufacturing defects: Machining rather than forging/inadvertent carburization...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091640
EISBN: 978-1-62708-229-7
.... Electric power generation Sensitization Steam Valve stem 17-4 PH UNS S17400 Stress-corrosion cracking Heat treating-related failures A 9 cm (3.5 in.) diameter valve stem made of 17-4 PH (AISI type 630) stainless steel, which was used for operating a 61 cm (24 in.) gate valve in a steam power...