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52100

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Published: 01 November 2007
Fig. 12.8 Hardness and impact strength of 52100 steel versus hold time at M s prior to quenching. The percent bainite goes from 0 to 100% as time goes from 1 to 60 min. Copyright: American Metal Market More
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Published: 01 January 2015
Fig. 4.18 Stepped cementite interfaces in (a) 52100 steel transformed at 785 °C (1450 °F) for 30 min and (b) 52100 steel transformed at 785 °C for 2h. SEM micrographs taken from fracture surfaces. Courtesy of T. Ando, Colorado School of Mines More
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Published: 01 January 2015
Fig. 4.19 Fine ledges. Arrows on cementite allotriomorph interface in 52100 steel transformed at 810 °C (1490 °F) for 13 min. TEM micrograph, original magnification at 40,000×. Courtesy of T. Ando, Colorado School of Mines More
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Published: 01 January 2015
Fig. 8.13 Time-temperature-austenitizing diagram for 100Cr 6 (SAE 52100) steel. Source: Ref 8.20 More
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Published: 01 January 2015
Fig. 13.3 (a) Carbide network at prior austenite grain boundaries in 52100 steel. Light micrograph, nital etch, original magnification 600×; shown here at 75%. (b) Fracture along grain-boundary carbides in 52100 steel. Scanning electron micrograph, original magnification 415×; shown here at 75 More
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Published: 01 January 2015
Fig. 19.12 Intergranular fracture surface of CVN-tested as-quenched 52100 steel austenitized above A CM at 965 °C (1770 °F). SEM micrograph. Source: Ref 19.40 More
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Published: 01 January 2015
Fig. 19.18 CVN energy absorbed in fracture of 41xx steels and 52100 steels tempered at various temperatures. Each set of steels had heats with low and high P contents. Data are from Ref 19.40 and 19.48 More
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Published: 01 August 2018
Fig. 10.68 Bearing part in steel 100Cr6 (similar to AISI 52100) subjected to selective quenching. The hardened layer is 2.25 mm (0.09 in.) thick. The core is spheroidized. Etchant: nital 3%. Courtesy of D. Lober. Source: Ref 26 More
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Published: 01 August 2018
Fig. 15.5 AISI 52100 steel hot rolled and annealed at 820 °C (1510 °F) for 2 h followed by slow cooling (10 °C/h, or 18 °F/h) to 690 °C (1275 °F), followed by air cooling. Pearlite with a network of cementite in the prior-austenitic grain boundaries. Stage (1) in Fig. 15.5(a) . Etchant: pre More
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Published: 01 August 2018
Fig. 15.6 (a) Thermal cycle used in the heat treatment of AISI 52100 steel to obtain lower bainite structure. Adapted from Ref 2 . (b) Volume fraction of the phases in equilibrium for the composition considered for the AISI 52100 steel. More
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Published: 01 August 2018
Fig. 15.7 AISI 52100 steel spheroidized starting from the microstructure presented in Fig. 15.6 subjected to the cycle described in Fig. 15.6(a) , stage 2 in the cycle. Volume fraction of spheroidized cementite is 15% (compare with the calculated values in Fig. 15.6b ). (a) Etchant: nital More
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Published: 01 August 2018
Fig. 15.8 AISI 52100 steel quenched from intercritical austenitizing (850–860 °C, or 1560–1580 °F, for 30 min). Approximately 5% of spheroidized cementite (compare with the calculated value in Fig. 15.6b ) in a matrix of austenite that has partially transformed to martensite (dark More
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Published: 01 August 2018
Fig. 15.9 The evolution of the microstructure of AISI 52100 steel as a function of the isothermal holding time, in accordance with the austempering cycles presented in Fig. 15.6(a) . Lower bainite is present as dark needles; the cementite that did not dissolve during austenitization shows More
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Published: 01 September 2008
Fig. 37 Slim, cracklike inclusions in the 52100 steel. The inclusions are oriented in the longitudinal direction of the component. No etch More
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Published: 01 September 2008
Fig. 39 52100 steel microstructure in the center of the component thickness. Etched with nital. Solid arrows point to free cementite in the globular form, and white arrows point to Fe 3 C in the form of platelets in the pearlite contour. Original magnifications: (a) 3000×. (b) 10,000×. (c More
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Published: 01 January 2015
Fig. 21.37 Spheroidized carbides retained after intercritical austenitizing 52100 steel at 850 °C. Carbon extraction replica, transmission electron micrograph. Courtesy of Ken Hayes, Colorado School of Mines. Source: Ref 21.62 More
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Published: 01 November 2007
Fig. 4.24 SEM micrograph of a 52100 steel showing fine spherical cementite in a ferrite matrix. Original magnification: 6000 × More
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Published: 01 November 2007
Fig. 6.5 Cementite particles present in 52100 steel following standard quenching and tempering. Original magnification: 5000× More
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Published: 31 December 2020
Fig. 13 End-quench hardenability of (a) 5140, (b) 5160, and (c) 52100 steels. Source: Ref 10 More
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Published: 30 April 2021
Fig. 7.6 Friction force recordings for 52100 steel at 60 HRC versus gray cast iron in reciprocating sliding in two different oils. The area of the force recordings are measures of the energy expended on friction during each test. More