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UNS G61500

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048156
EISBN: 978-1-62708-235-8
... 6150 UNS G61500 Metalworking-related failures The face of a 6150 flat spring was under tensile stress. Although small flaws were visible on the surface ( Fig. 1 ), the failure began at the dark spot on the edge, where roughness resulted from shearing during the blanking operation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048117
EISBN: 978-1-62708-235-8
... G61500 Fatigue fracture Metalworking-related failures Two outer valve springs broke during production engine testing and were submitted for laboratory analysis. The springs were from a current production lot and had been made from air-melted 6150 pretempered steel wire. The springs were 50 mm (2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001018
EISBN: 978-1-62708-217-4
..., probably accentuated by looseness in the clamping device. The resulting residual tensile stress lowered the effective fatigue strength at that point against drag and side loads. Aircraft components Brinelling Clamping Landing gear Loads (forces) 6150 UNS G61500 Fatigue fracture So many...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001902
EISBN: 978-1-62708-217-4
... develop in attachment holes. Decarburizing Inspection Landing gear Magnetic particle testing 6150 UNS G61500 Brittle fracture Fatigue fracture In a spring leg of a main landing gear ( Figs. 1 , 2 , 3 , 4 , 5 , 6 , 7 ), large brittle zones indicated predominately cleavage pattern...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0047813
EISBN: 978-1-62708-229-7
... lines parallel to the visible crack thought to be fatigue cracks were revealed on examination of the machined surface. The shaft was repaired by welding a new section and machined to required diameters and tapers to avoid abrupt changes. Eccentricity Friction welding 6150 UNS G61500 Fatigue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001730
EISBN: 978-1-62708-229-7
... (power) Torsional fatigue 6150 UNS G61500 Fatigue fracture A unique failure developed in the central shaft of a coal pulverizer at our plant. A crack appeared in the shaft at one place and then welded by friction around the circumference while the pulverizer continued to operate. Then another...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048164
EISBN: 978-1-62708-217-4
.... Brinelling Loads (forces) Support 6150 UNS G61500 Brittle fracture Fatigue fracture A flat spring for the main landing gear of a light aircraft broke after safe execution of a hard landing. The spring ( Fig. 1a ) was submitted for laboratory examination. No information was furnished concerning...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001810
EISBN: 978-1-62708-241-9
... calculation torsion fatigue strength 50CrV4 (chromium-vanadium alloy steel, EN10132-4) UNS G61500 ...