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induction tempering

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Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005873
EISBN: 978-1-62708-167-2
... sizes, and lower inputs may be required for larger section sizes. (c) Not recommended for these temperatures. Source: Ref 8 , 46 Selection of power source and frequency for various applications of induction tempering Table 4 Selection of power source and frequency for various...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005865
EISBN: 978-1-62708-167-2
...Abstract Abstract Induction heat treatment is a common method for hardening and tempering of crankshafts, which are necessary components in almost every internal combustion engine for cars, trucks, and machinery, as well as pumps, compressors, and other devices. Similar to crankshafts...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003200
EISBN: 978-1-62708-199-3
... to 10 MHz 1 kW to 500 kW 50–75 Shallow heating depth; localized heating; highest cost; impedance matches changing loads; lowest efficiency Selection of power source and frequency for various applications of induction hardening and tempering of steel Table 2 Selection of power source...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005761
EISBN: 978-1-62708-165-8
... of the inductor Operating and production data for progressive induction tempering (<xref rid="a0005761-ref19" ref-type="bibr">Ref 19</xref>) Table 5 Operating and production data for progressive induction tempering ( Ref 19 ) Section size Material Frequency, Hz Power (a) , kW Total heating time...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005815
EISBN: 978-1-62708-165-8
... alloying elements Responsible for temper embrittlement Source: Ref 9 Typical hardness of tempered 4140 and 4150 steels Table 3 Typical hardness of tempered 4140 and 4150 steels Temper Furnace hardened and tempered for 1 h, HRC Induction hardened and tempered for 2 h, HRC °C °F...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005868
EISBN: 978-1-62708-167-2
... of small gears and conventional hardening of small-diameter shafts, but these higher-frequency systems are not particularly common. Single-Shot versus Scan Hardening Gears and Sprockets Quenchants Tempering As with all induction-hardening processes, developing acceptable process recipes...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005533
EISBN: 978-1-62708-197-9
... Variety of inductors for various induction heat treating applications. Courtesy of Inductoheat, Inc. Fig. 5 Rockwell C hardness of tempered martensite in carbon and low-alloy steels versus tempering temperature. Source: Ref 5 , 23 Fig. 6 Vickers and Rockwell C hardnesses of tempered...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005871
EISBN: 978-1-62708-167-2
... diagnosis by inspection. An example is the cracking of roller lifter axles that were prehardened, tempered, and then induction hardened. The axles were 100% eddy current inspected after final grinding, and approximately 3 to 5 parts per lot of 30,000 pieces were found to be cracked. No abnormality or cause...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005992
EISBN: 978-1-62708-166-5
... steel hardening and tempering. Induction hardening and tempering are addressed in the article “Induction Surface Hardening of Steel” in ASM Handbook , Vol 4A, Steel Heat Treating Fundamentals and Processes and “Tempering of Induction Hardened Steels” in ASM Handbook Volume 4C, Induction...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005864
EISBN: 978-1-62708-167-2
... and tempered; HR, hot rolled. (b) Effective case depth is in millimeters and percent of the bar diameter. (c) Total case depth to 20 HRC or visual case if core is greater than 20 HRC Torsional properties of through-hardened versus induction-hardened shafts Table 2 Torsional properties...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005870
EISBN: 978-1-62708-167-2
... mm case at 920 °C, direct oil quench, tempered 150 °C 150−200 897M39 905M39 Nitrided to case depth of approximately 0.5 mm 400–600 800−1000 Cold rolled steel Induction hardened, untempered 1000 Induction hardened, tempered 200 °C 650 Induction hardened, tempered 300 °C 350...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005857
EISBN: 978-1-62708-167-2
... of an induction hardening process that affect component metallurgy are frequency, power transferred to the part, heating time, quench delay time, quenching speed, quenching time, temperature before tempering, and time between hardening and tempering. It is very critical to maintain proper part-coil position...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005869
EISBN: 978-1-62708-167-2
... that it is possible, within exact limits, to compensate temperature by time and time by temperature to reach the desired hardness requirements. For low-alloyed carbon steels, temperature is the most important criterion ( Ref 16 , 17 ); time plays a less important role. For those materials, an induction tempering...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005924
EISBN: 978-1-62708-166-5
... for signature concept. kVA, kilovolt-amps. Source: Ref 9 Fig. 3 Modern inverter power types for heat treating. SCR, silicon-controlled rectifier; IGBT, isolated gate bipolar transistor; MOS-FET, metal-silicon-dioxide field-effect transistor. Source: Ref 9 Fig. 51 Induction tempering...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001028
EISBN: 978-1-62708-161-0
... Carbon Steels Containing up to 0.25% C Carbon Steels Containing 0.25 to 0.55% C Carbon Steels Containing 0.55 to 1.00% C Alloy Steels Alloying Elements in Quenching Mechanical Properties Tempering Distortion in Heat Treatment Induction and Flame Hardening Fabrication of Parts...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005859
EISBN: 978-1-62708-167-2
.... Mater. Manuf. , SAE , Warrendale, PA , Vol 116 (Sect. 5), 2008 , p 392 – 407 25. Spencer T.H. et al. , Ed., Induction Hardening and Tempering , American Society for Metals , Metals Park, OH , 1964 , p 121 – 130 Selected References Selected References • De Cooman...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.9781627081672
EISBN: 978-1-62708-167-2
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005862
EISBN: 978-1-62708-167-2
... temperature on longitudinal surface residual stresses in 0.30% C steel bars heated to 850 °C (1560 °F), water quenched and tempered for 1.5 h Fig. 7 Longitudinal residual stress patterns developed in surface layers as a function of case depth in four induction hardened steels. Steel chemical...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005867
EISBN: 978-1-62708-167-2
... in warm oil 60 140 … … 3 Temper to HRC 34–38 538 1000 2 h … 4 Finish grind … … … … Dual-frequency induction harden 5 Preheat 3–10 kHz 413 775 4 s 120 kW 6 Heat surface 230–270 kHz 899 1650 0.357 s 330 kW 7 Water quench immediately 33 92 … … Source...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005771
EISBN: 978-1-62708-165-8
... mixing Substrate treatment Diffusion methods: Carburizing Nitriding Carbonitriding Nitrocarburizing Boriding Titanium-carbon diffusion Toyota diffusion process Selective-hardening methods: Flame hardening Induction hardening Laser hardening...