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press quenching

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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
... area ( A ) and are thin ( t ), which are defined as A = 50 t . Fig. 24 Die quenching system. Courtesy of Gleason Tooling Products Group Parts that exceed these dimensions often must be straightened or press quenched to maintain dimensional stability ( Ref 23 ). If possible, materials...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048261
EISBN: 978-1-62708-225-9
... fillets as a result of through hardening. Dimensions given in inches The ring gear, machined from a forged blank made of 4817 steel, had been gas carburized at 925 °C (1700 °F), cooled to 815 °C (1500 °F), press quenched in oil at 60 °C (140 °F), then tempered at 175 °C (350 °F) for 1 1 2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001218
EISBN: 978-1-62708-234-1
... in the brackish water of the mouth of the river was attributed to stress corrosion and pitting. The steel used, which contained molybdenum, would have withstood the severe corrosive conditions in the heat-treated condition, i.e. quenched after high temperature anneal. However, the stresses caused by deformation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... break at edges of press-fitted or shrink-fitted members, where high degrees of stress concentration exist. Such stress concentration effectively reduces fatigue resistance, especially when coupled with fretting. Metallurgical stress raisers may be quench cracks, corrosion pits, gross nonmetallic...
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
... surface was identified around one of the folds and a fatigue crack initiated in the fold and propagated across the cheek. Properties representative of 4140 steel, quenched and tempered to a hardness of 20 to 22 HRC, were observed. Tempered bainite was revealed in the general microstructure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001444
EISBN: 978-1-62708-231-0
...-cutting, a narrow band of material on each side of the cut was raised above the hardening temperature. When the torch had passed the rate of abstraction of heat from this zone by conduction into the cold mass of the rail was sufficiently rapid to amount to a quench and thus cause local hardening...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
...). Detail A: Sections through failure area showing original design, first revised design, and final design. OD, outside diameter Fig. 24 Schematic illustration of stress distribution in two types of rotating shafts with press-fitted elements under a bending load Fig. 25 Peeling-type...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001799
EISBN: 978-1-62708-241-9
.... , Ruley B.T. : General Lubrication Engineering Practice: Bearings , vol. 2 , pp. 20 – 29 . CRC Press Inc. , Boca Raton ( 1984 ) 3. Metals Handbook , Failure Analysis and Prevention , vol. 10 , 8th edn. , p. 101 . American Society for Metals , Metals Park, OH ( 1975 ) 4. Drago...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... cavity (a) and the spall (b). Both 12× Fig. 25 A SEM micrograph of the sheared surface shown in Fig. 24. (a) 1000×. (b) 11,000× Fig. 30 Spall caused by quench crack. (a) View showing location of spall. (b) 7×. (c) 5×. (d) 28× Fig. 31 Another example of spalling caused...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... on a rail head due to frictional heat. This specimen was taken adjacent to a spalled area. Specimen etched with picral Fig. 9 Light micrographs of the surface (plated with nickel) of quenched and tempered A2 tool steel cut with an abrasive wheel without using coolant showing (a) a reaustenitized...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001413
EISBN: 978-1-62708-223-5
...Abstract Abstract The fractured end of a piston rod of a hydraulic press failed in line with the leading face of the piston retaining nut. Although the nut apparently had been seated uniformly, the face was polished, indicating that relative movement between it and the piston had taken place...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
.... and Cox D. , Observing Fatigue with the Nomarski Technique , Met. Prog. , Vol 123 , Feb 1983 , p 37 – 39 17. Vander Voort G.F. , Macroscopic Examination Procedures for Failure Analysis , Metallography in Failure Analysis , Plenum Press , 1978 , p 33 – 63 10.1007/978-1-4613...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... cap, as seen in Fig. 32 . The journal stub was pressed out of the bearing. Present on the end of the journal was the axle fabrication data, shown in Fig. 33 . The axle was manufactured by Standard Forged Products, McKees Rocks Forgings of McKees Rocks, Pennsylvania, in June 1990 Fig. 31...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0065827
EISBN: 978-1-62708-221-1
.... Optimal austenitizing temperature was 1850 °F (1010 °C), and either air or oil quenching could be used. Many manufacturers oil quench using a press to maintain flatness. The optimal tempering temperature was 980 °F (527 °C), followed by a second temper at 940 °F (504 °C), yielding hardness of 59 HRC...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001231
EISBN: 978-1-62708-232-7
... of operation time in a sheet bar three high rolling mill. The rim was forged from steel with about 0.4% C, 0,8% Si and 1.1% Mn, oil quenched and tempered to a strength of 65 to 75 kg/mm 2 . The fracture face is shown in Figs. 1 and 2 . The rim started to break in the tooth bottom from a fatigue fracture...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... Because of their low density and high potential strength, aluminum forgings are found in automotive and aerospace applications. Like titanium, aluminum is highly strain-rate sensitive. In production with high-strain-rate tools such as hammers and mechanical presses, the rapid delivery of energy can cause...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
... overaustenitizing overheating quench cracking seams tool failure tool steel unconsolidated interiors FAILURE MECHANISMS in tool and die materials that are very important to nearly all manufacturing processes are discussed in this article. This article is primarily devoted to failures of tool steels used...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... of as-quenched martensite at the surface and a back-tempered region beneath it caused by frictional heat. Etched with 3% nital. Original magnification: 295× Fig. 44 Two shear knives made from AISI H13 tool steel. The knives were used to grip hot rolled bars after rolling so that they could be separated...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001291
EISBN: 978-1-62708-215-0
... into which a press-fitted axle was mounted ( Fig. 1 ). The tube section was designed to slide within a cylinder to provide damping during landings. The lower section of the tube, which normally bears on the outer cylinder seal, was hard chromium plated for a length of approximately 250 mm (10 in.). Fig...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003571
EISBN: 978-1-62708-180-1
... N. and Bellow D.G. , Development of an Equation for the Wear of Polymers , Wear , Vol 181–183 , 1995 , p 42 – 49 11. Evans D.G. and Lancaster J.K. , The Wear of Polymers , Wear , Vol 13 , Materials Science and Technology , Scott D. , Ed., Academic Press...