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Surface treatment 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.a0003549
EISBN: 978-1-62708-180-1
... corrosion-related failures of metals. These include: change in the environment; change in the alloy or heat treatment; change in design; use of galvanic protection; use of inhibitors; use of nonmetallic coatings and liners; application of metallic coatings; use of surface treatments, thermal spray, or other...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001685
EISBN: 978-1-62708-235-8
.... Quench-related failures whereby components that cracked either during or immediately after the heat treatment/quenching operation were sectioned for metallographic examination of the microstructure to examine the degree of phase transformation. Examination of premature tensile specimen failures...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001061
EISBN: 978-1-62708-214-3
... of the failures. Minimizing residual stresses through use of welding procedures that include appropriate preweld and interpass temperatures and postweld stress relief heat treatment at 650 deg C (1200 deg F) was recommended to prevent further failures. Alkalies, environment Heat-affected zone Papermaking...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048128
EISBN: 978-1-62708-225-9
... drawing Spring steel Surface treatment related failures Metalworking-related failures Figure 1 shows light streaks arranged in a diagonal direction on the wire surface. The streaks are parallel to the wire axis. A darker depressed area is visible between the streaks and below the center...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091674
EISBN: 978-1-62708-217-4
... recommended that the interference fit of the bushing in the lug hole be discontinued. Aircraft components Hinge brackets Marine environments 2014-T6 UNS A92014 Stress-corrosion cracking Surface treatment related failures Forged aluminum alloy 2014-T6 hinge brackets in naval aircraft rudder...
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
... a bainitic structure and the method of plating the fastener with zinc was changed from electroplating to a mechanical deposition process to thus avoid hydrogen embrittlement. Fasteners, corrosion Electroplating Lawn furniture 1060 UNS G10600 Surface treatment related failures Hydrogen damage...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048124
EISBN: 978-1-62708-235-8
... until it was reoriented to the plane normal to the major tensile axis by sufficient loading. The shot-peening procedure was altered to create adequate surface compression at all stressed points on the springs. Cracks Galling Orientation Tensile stress Valve spring steel Surface treatment...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001520
EISBN: 978-1-62708-235-8
... Hydraulic cylinders Surface defects 15-5 PH UNS S15500 Hydrogen damage and embrittlement Surface treatment related failures Problem Solution Selected Reference Selected Reference • Hydrogen Damage and Embrittlement , 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.auto.c9001556
EISBN: 978-1-62708-218-1
... portion was attributed to hydrogen embrittlement that occurred during chrome plating. Chromium plating Piston rods Residual stress Fe-0.3C-3.0Cr-0.4Mo Hydrogen damage and embrittlement Surface treatment related failures A few Cr-Mo (C 0.3%, Cr 3.0%, Mo 0.4%) steel piston rods from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047428
EISBN: 978-1-62708-235-8
.... The operators of the dragline bucket were warned against further hardfacing of these teeth. Hard surfacing Weld deposited coatings Steel casting Brittle fracture Surface treatment related failures A cast dragline bucket tooth failed by fracturing after a short time in service. The tooth was made...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048630
EISBN: 978-1-62708-217-4
...-load test was specified for a sample quantity of bolts from each lot. Electroplating Hydrogen embrittlement Cadmium-plated steel Surface treatment related failures Hydrogen damage and embrittlement Two clevis-head self-retaining bolts used in the throttle-control linkage of a naval...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001019
EISBN: 978-1-62708-217-4
... treatment related failures The submitted parts consisted of a portion of a broken aircraft crankshaft and a severely damaged main bearing. The problem was to determine, if possible, whether engine failure was initiated in the bearing or in the crankshaft. Visual observations showed clearly...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001573
EISBN: 978-1-62708-226-6
... the microarcing. Arcing Pitting (wear) Surgical implants Wire Ti-6Al-4V Titanium nitride coating UNS R56406 Surface treatment related failures (Other, miscellaneous, or unspecified) wear Background Observations and Results Discussion And Conclusion Selected Reference Selected...
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
... was inadequate procedure, which resulted in bending moments being applied to the bolt threads. Acid pickling Bolts Cadmium plating Landing gear Torque 4340 UNS G43400 Surface treatment related failures Hydrogen damage and embrittlement Fig. 1 shows a failed beam from a landing gear...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001229
EISBN: 978-1-62708-223-5
... surface treatment or during operation. Chromium plating Saw blades Chromium-plated steel Surface treatment related failures Fatigue fracture Hydrogen damage and embrittlement Two slitting saw blades were delivered for the purpose of determining the cause of damage. One had cracked while...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048143
EISBN: 978-1-62708-235-8
... was concluded to be the reason of the fatigue failure. Rack plating or barrels with fixed button contacts at many points instead of dangler-type contacts were recommended to avoid hard spots. Cadmium plating Cylinders Electric arcs Pneumatic devices Spring steel Surface treatment related failures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001552
EISBN: 978-1-62708-217-4
.... Chromium plating Crankshafts Magnetic particle testing Nitriding Surface grinding 4340 UNS G43400 Fatigue fracture Metalworking-related failures Surface treatment related failures Fig. 1 illustrates a crankshaft of AISI 4340, heat treated and nitrided all over, which failed in bending...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046222
EISBN: 978-1-62708-217-4
... were made. Helicopters Shot peening Spindles Plated steel Fatigue fracture Surface treatment related failures The spindle of a helicopter-rotor blade ( Fig. 1a ) fractured after 7383 h of flight service, causing the aircraft to crash. These spindles were overhauled and inspected...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090626
EISBN: 978-1-62708-218-1
... decreased the compressive residual-stress levels in the springs. Recommendation was made to increase the time the spring was shot peened from 12 to 60 min. Automotive components Residual stresses Shot peening Spring steel Surface treatment related failures A steel spring used in an automotive...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001158
EISBN: 978-1-62708-225-9
... springs. Surface defects Valve springs Spring steel Surface treatment related failures Fatigue fracture Ductile fracture The fractured valve spring shown in Fig. 1 showed a small fatigue fracture and a large ductile fracture emanating from it in the fibrous fracture structure, that also...