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sintered ferrite

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Published: 01 January 1994
Fig. 4 Typical microstructure in a sintered ferritic nitrocarburized iron-copper-carbon P/M steel. 100×. Source: Ref 5 More
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Published: 30 September 2015
Fig. 21 Typical magnetic properties of bonded and sintered ferrites. Source: Ref 25 More
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Published: 30 September 2015
Fig. 8 Fatigue curves for two dissociated-ammonia-sintered ferritic stainless steels. Sintered densities of 430N2 and 434N2 were 7.04 and 7.07 g/cm 3 , respectively. Sintered densities of 430N29 and 434N29 were 7.27 and 7.24 g/cm 3 , respectively. Sintering temperature was 1316 °C (2400 °F More
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Published: 01 December 2004
Fig. 32 Ferrite/pearlite microstructure of an as-sintered P/M carbon steel (F-0005) More
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Published: 01 December 2004
Fig. 37 Ferrite/pearlite microstructure of an as-sintered P/M copper steel (FC-0208) More
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Published: 30 September 2015
Fig. 6 Ferrite-pearlite microstructure of an as-sintered PM carbon steel (F-0005) More
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Published: 30 September 2015
Fig. 8 Ferrite-pearlite microstructure of an as-sintered PM copper steel (FC-0208) More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003154
EISBN: 978-1-62708-199-3
... No Sintered Alnico 5 Fe-8.5Al-14.5Ni-24Co-3Cu 900 1650 Y, H Sintered Alnico 6 Fe-8Al-16Ni-24Co-3Cu-2Ti 860 1580 Y, H Sintered Alnico 8 Fe-7Al-15Ni-35Co-4Cu-5Ti 860 1580 Y, H Cunife 20Fe-20Ni-60Cu 410 770 Y, R Bonded ferrite A BaO-6Fe 2 O 3 + organics 450 … No, P Bonded...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001094
EISBN: 978-1-62708-162-7
... curves for permanent magnet materials. (a) Platinum-cobalt alloys. (b) Cobalt and rare-earth alloys. (c) Strontium-ferrite alloys. (d) Iron-chromium-cobalt alloys Fig. 9 Demagnetization curves for neodymium-iron-boron alloy magnets. (a) Sintered. (b) Prepared from rapidly solidified ribbon...
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Published: 01 November 1995
Fig. 7 Comparison of sintering behavior of nickel ferrites prepared from a variety of sources. The final grain size is indicated in nanometers, except for the nitrate sample, which was too porous to measure grain size. Source: Ref 71 More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006119
EISBN: 978-1-62708-175-7
... increase the density of the part or to improve dimensional tolerances, including the correction of any distortion that may have occurred during sintering. Due to the high rate of work hardening, austenitic stainless steels respond poorly to re-pressing. With ferritic PM stainless steels, re-pressing...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006120
EISBN: 978-1-62708-175-7
... of these grades. In the as-sintered condition, ferritic and austenitic stainless steels, having similar chromium contents, exhibit similar yield and tensile strengths. Cold working leads to significant increases in the tensile and yield strengths of austenitic grades because of their rapid strain hardening...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006118
EISBN: 978-1-62708-175-7
... Abstract This article describes the sintering behavior of austenitic, ferritic, and martensitic stainless steels. It presents different sintering schedules that are selected by Metal Powder Industries Federation (MPIF). The article provides information on the equipment and atmospheres used...
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Published: 30 September 2015
Fig. 1 Effect of sintering atmosphere on the phase structures produced in low- and medium-chromium ferritic stainless steels during sintering. (a) Hydrogen sintering produces ferritic structure for both alloys. (b) Dissociated ammonia sintering leads to extensive martensite formation in low More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006067
EISBN: 978-1-62708-175-7
... during sintering, are kept at as low as possible. These include manganese, titanium, aluminum, zirconium, phosphorus, and silicon. Basic Metallurgical Principles Stainless steels are grouped into five families, primarily based on their microstructure: ferritic , austenitic , martensitic...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006057
EISBN: 978-1-62708-175-7
... in vacuum or hydrogen to achieve the highest magnetic properties ( Table 9 ). Lower sintering temperatures do not reduce chromium oxides present on the water-atomized powder surface. Magnetic data on ferritic stainless steels Table 9 Magnetic data on ferritic stainless steels Steel type Density...
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Published: 01 December 1998
Fig. 15 Microstructure of sintered Fe-2Ni-0.5C alloy. Sintered for 30 min at 1120 °C (2050 °F). Arrows marked Ni outline nickel-rich particle. Arrow M, martensite or bainite at nickel-rich boundary. Arrows marked L, diffusion layer between nickel and pearlite. This is not unalloyed ferrite More
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Published: 01 January 1990
Fig. 10 Microstructure of sintered Fe-2Ni-0.5C alloy. Sintered for 30 min at 1120 °C (2050 °F). Arrows marked Ni outline nickel-rich particle. Arrow M, martensite or bainite at nickel-rich boundary. Arrows marked L, diffusion layer between nickel and pearlite. This is not unalloyed ferrite More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006098
EISBN: 978-1-62708-175-7
... of ferritic alloys instead of the more expensive wrought austenitic materials. Ferritic alloys undergo a greater amount of shrinkage during sintering, due to their more open body-centered cubic crystal structure. Hence, under similar sintering conditions, the PM ferritic grades exhibit higher sintered...
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Published: 30 September 2015
Fig. 1 Impact strength of three ferritic stainless steels as a function of sintering temperature and sintered density. Sintering atmosphere was hydrogen, and sintering time was 30 min. Source: Ref 5 More