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carburizing bearing steel

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770051
EISBN: 978-1-62708-337-9
.... Source: Ref 41 Fig. 3.27 Surface tensile stresses in the outer layer of a carburized SAE 1018 steel caused by the presence of carbides. Source: Ref 42 Fig. 3.5 Carbides produced during carburizing with surface carbon above Ac cm carbon. (a) Iron-carbon phase diagram. (b...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410499
EISBN: 978-1-62708-265-5
... gearbox bearings: effect of ‘butterflies’ and white etching cracks (WECs) , Mat. Sci. Tech. , Vol 28 , No. 1 , 2012 , p 3 – 22 10.1179/026708311X13135950699254 21.66 Kramer P. , “ An Investigation of Rolling-Sliding Contact Fatigue Damage of Carburized Gear Steels ,” M.S. thesis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770099
EISBN: 978-1-62708-337-9
... carburizing steel after melting (after K. Vetter) Table 5.10 Mechanical properties of 15NiCrMo 16 5 carburizing steel after melting (after K. Vetter) Melting type Sulfur content, % Degree of deformation 0.2 proof stress, MPa Tensile stress, MPa Elongation at fracture (a) , % Reduction of area...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440141
EISBN: 978-1-62708-262-4
... so that many plain low-carbon steels respond to carbonitriding and oil quenching that would not harden after being carburized and oil quenched. Because of problems in disposing of cyanide-bearing wastes, carbonitriding is generally preferred to liquid cyaniding. In terms of case characteristics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250039
EISBN: 978-1-62708-345-4
... processed to provide favorable grain flow consistent with load pattern rather than being machined from blanks cut from mill-rolled bar. Surface-Hardening Steels General Properties Carburizing or nitriding grades of steel are usually specified where maximum wear resistance is required for bearing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250257
EISBN: 978-1-62708-345-4
... fracture can be found in Fig. 7 to 10 . Fig. 7 Bending-fatigue fracture in the heel of one tooth of a spiral bevel pinion of AISI 8617 steel, carburized and hardened to 57 HRC in the case. Fracture resulted from severe pitting. Note that pitting had begun in an adjoining tooth (near top...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770011
EISBN: 978-1-62708-337-9
... of the carburized part. It is not clear whether internal oxidation on its own is especially deleterious, or if it simply behaves much in the same way as does surface roughness, bearing in mind that the effect of surface roughness may be offset by the presence of compressive residual stresses in the underlying steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770001
EISBN: 978-1-62708-337-9
...-treatment furnaces have improved, as have atmosphere and temperature control systems. Additionally, the gas-metal reactions, carbon diffusion, and other processes that take place during the carburizing and hardening of steels have become much better understood. Add to these factors the introduction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... physical quality Hot-rolled alloy steel bars Regular quality Aircraft quality or steel subject to magnetic particle inspection Axle shaft quality Bearing quality Cold-heading quality Special cold-heading quality Rifle barrel quality, gun quality, shell or A.P. shot quality Alloy steel wire...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
... to equipment costs and throughput. Plasma (Ion) Carburizing Plasma (ion) carburizing is basically a vacuum process utilizing glow-discharge technology to introduce carbon-bearing ions to the steel surface for subsequent diffusion ( Ref 11 ). This process is effective in increasing carburization rates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250001
EISBN: 978-1-62708-345-4
... and the physical condition of the surface, such as smoothness, sharpness of radius, and/or corrosive pitting. The strength of the core material—i.e., the basic material under the carburized steel case—is generally to be considered as compressive strength rather than tensile strength. It measures the ability...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... of Carburized Steel Cases ,” Paper 740222, Society of Automotive Engineers , 1974 10.4271/740222 8. Engine Bearing Service Manual , 7th ed. , Federal Mogul Bearings, Inc. , 1956 , p 93 9. Pedersen R. and Rice S.L. , Case Crushing of Carburized and Hardened Gears , SAE Trans...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240395
EISBN: 978-1-62708-251-8
... in a rough vacuum at the same temperature used for carburizing. If a reheat step is not going to be used, the steel is directly quenched in oil, usually under a partial pressure of nitrogen. Plasma or ion carburizing is basically a vacuum process using glow discharge to introduce carbon-bearing ions...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... brittleness). Many of the Earth’s wonder bridges are suspension bridges held up by steel wire ropes. High compressive strength is needed to carry the significant Hertzian stresses encountered in rolling-element bearings. Some jet engine bearings are life tested at Hertz stress of 388,000 psi (2,600 MPa...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320189
EISBN: 978-1-62708-347-8
... • DePaul R.A. , High Cycle and Impact Fatigue Behavior of Some Carburized Gear Steels , Met. Eng. Q. , Nov 1970 10.4271/710277 • Drago R. , “An Improvement in the Conventional Analysis of Gear Tooth Bending Fatigue Strength, ” Fall Technical Meeting , American Gear Manufacturers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770077
EISBN: 978-1-62708-337-9
... in Carburized 4320 Steel , Metall. Trans. A , Vol 22 ( No. 7 ), July 1991 , p 1491 – 1500 10.1007/BF02667363 • Przylecka M. , Kulka M. , and Gestwa W. , Carburizing and Carbonitriding Bearing Steel (LH15-52100) , Conf.: Heat Treating: Equipment and Processes , 18-20 April...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.9781627083478
EISBN: 978-1-62708-347-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130087
EISBN: 978-1-62708-284-6
... of the wear mechanism Fig. 15 Scanning electron micrograph of fatigue crack initiating on worn carbonitrided steel. Original magnification: approximately 4000× Fig. 16 Rough schematic of stresses in contact loading of a bearing ball on a race Fig. 17 Steel bar with crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250293
EISBN: 978-1-62708-345-4
... material is often specified rather than grade 1 material. Grade 2 steel is rated to carry about 25% more contact stress than grade 1 when carburized but only about 10% more stress when through hardened. In the vehicle field (trucks, tractors, and automobiles), gearing is not highly expensive...