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440C

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047968
EISBN: 978-1-62708-225-9
...Abstract Abstract The radial-contact ball bearings (type 440C stainless steel and hardened) supporting a computer microdrum were removed for examination as they became noisy. Two sizes of bearings were used for the microdrum and a spring washer that applied a 50 lb axial load on the smaller...
Image
Published: 30 August 2021
Fig. 33 Weld spots on contact surfaces of a type 440C (X90CrMoV18 or WN 1.4112) stainless steel ball bearing. The spots are caused by static electrical discharges resulting from the use of an electrically nonconductive grease. (a, b) Photographs of inner-raceway surface. Original magnification More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006448
EISBN: 978-1-62708-217-4
...Abstract Abstract Three wing flap hinge bearings were received by the laboratory for analysis. The bearings were fabricated from chromium-plated type 440C martensitic stainless steel. The intergranular fracture pattern seen in the electron fractographs, coupled with the corrosion pits observed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0047917
EISBN: 978-1-62708-227-3
...Abstract Abstract The support bearing of a hydrofoil vessel failed after only 220 h of operation. The bearing consisted of an outer ring made of chromium-plated AISI type 416 stainless steel and an inner ring with a spherical outer surface made of AISI type 440C stainless steel, with a plastic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001663
EISBN: 978-1-62708-236-5
... methods were used. Our investigation supports the supposition that a live round of ammunition was inadvertently fired. Adapters Automatic weapons Explosions Rifles 4130 UNS G41300 440C UNS S44020 (Other, general, or unspecified) fracture Training exercises are essential at many...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047935
EISBN: 978-1-62708-225-9
...Abstract Abstract Ball bearings made of type 440C stainless steel hardened to 60 HRC and suspected as the source of intermittent noise in an office machine were examined. A number of spots on the inner-ring raceway were revealed by scanning electron microscopy. The metal in the area around...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001545
EISBN: 978-1-62708-236-5
...Abstract Abstract The presence of secondary, branching intergranular stress-corrosion cracking in a type 440C stainless bearing caused the analyst to overlook the real culprit, which was a mechanically-initiated, primary transgranular crack that propagated through the steel's hard chromium...
Image
Published: 30 August 2021
Fig. 52 Scanning electron microscope views of the surface of the outer-ring raceway of a type 440C stainless steel radial-contact ball bearing that failed by rolling-contact fatigue and of particles found in the lubricant. (a) Lubricant-residue particles that flaked off the raceway. Original More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001361
EISBN: 978-1-62708-215-0
..., whereas the race was also of 17-4PH hardened to 26 to 35 HRc. The ball was constructed of 440C steel hardened to 55 to 62 HRc. The liner was a Teflon impregnated sintered bronze matrix. Visual Examination of General Physical Features Rod and Body The fracture surface was found to contain beach...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... sputtering TiN Ti(CN) CrN High speed steel Amsler wear tester (dry) 50 N (load) 1.8–3.5 1.8–3.4 3.5 0.9 ± 0.1 N/A N/A 1 1 5 52 (1998) Reactive magnetron sputtering TiN ZrN HfN CrN Mo TiAlN TiZrN (TiAlV)N 440C stainless steel (RCF life of 6.3 and 1.7 × 10 6 cycles at 4.0 and 5.4 GPa) Three...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... temperature, bearings require adequate lubrication for satisfactory operation. For bearings that operate in moderately corrosive environments, AISI type 440C stainless steel should be considered. Its maximum obtainable hardness is about 62 HRC, and it is recommended for use at temperatures below 175 °C...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... ) consisted of an outer ring made of chromium-plated AISI type 416 stainless steel and an inner ring with a spherical outer surface made of AISI type 440C stainless steel, with a plastic material between the two. The plastic material was bonded to the outer ring. Fig. 8 Plastic-lined stainless steel...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... number Composition, wt% C Si Mn P S Cr Mo Ni N V AISI 440B … 1.1 1 1 … … 12.5–14.5 0.75 … … … X47Cr14 1.3541 0.43–0.50 0–1.00 0–1.00 0–0.040 0–0.030 12.5–14.5 … 0–1.00 … … AISI 440C … 1.00 0.30 0.40 … … 17.00 0.50...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
... Iron and Steel Institute 440C stainless steel, the requirements changed, and the lack of a hydrogen bake became a liability. Failures in Physical Function and Expected Performance In a very broad view, a failure can be defined by two categories. The first category is a functional failure, when...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... bearing materials Material Resistance to: Price Fatigue Temperature Sliding Shock loads Contamination Corrosion 52100 = = = = = = = 440C − = = = = + ↑↑ Cronidur 30 + = + = + + ↑ M50 = + = = = = ↑ M50NiL...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... 220 h of operation. The bearing consisted of an outer ring made of chromium-plated AISI type 416 stainless steel and an inner ring with a spherical outer surface made of AISI type 440C stainless steel, with a plastic material between the two. The plastic material was bonded to the outer ring...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
... to improve wear resistance. However, once that bearing moved into aerospace applications as a low-cost replacement for American Iron and Steel Institute 440C stainless steel, the primary design requirement changed to fatigue life, and the lack of a hydrogen bake became a violation of processing...