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high-temperature sintering

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... on the events that are contributing to sintering densification, followed by a discussion on the driving forces, such as surface energy, and high-temperature atomic motion as well as the factors affecting these processes. The process of microstructure evolution in sintering is then described, followed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000109
EISBN: 978-1-62708-312-6
.... , Neupaver A. , Vol 7 , MPIF , Princeton, NJ , 1994 , p 325 – 339 33. Shah S.O. , McMillen J.R. , Samal P.K. , and Pease L.F. , “ Mechanical Properties of High Temperature Sintered PM 409LE and 409LNi Stainless Steels Utilized in the Manufacturing of Exhaust Flanges...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000203
EISBN: 978-1-62708-312-6
... pressure 55 TSI), and then sintering in 100% hydrogen at 1205 °C (2200 °F) for 30 minutes (sintered density of 6.95 g/cm 3 ). As-polished Fig. 9 Photomicrograph of high temperature 1315 °C (2400 °F), hydrogen sintered 304L showing well-rounded porosity, precipitate-free grain boundaries...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
..., and the surface of the component becomes smoother. This condition can enhance the fatigue strength of the component. Enhancement of fatigue strength can also result from the increased density and strength achieved in re-pressing. In a study involving high-temperature (1288 °C, or 2350 °F), hydrogen-sintered 409LE...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000059
EISBN: 978-1-62708-312-6
... atmosphere, during the past 10 years. There was also a shift toward high-temperature (>1205 °C, or >2200 °F) sintering. The majority of studies on the corrosion resistance of sintered stainless steels still lack a full description of the experimental conditions employed. The most frequently omitted...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000185
EISBN: 978-1-62708-312-6
..., low remittance, high permeability, and high maximum induction) and adequate chloride corrosion resistance. High-temperature sintering produces lower levels of interstitials, which is beneficial to both magnetic properties and corrosion resistance. The 410L stainless steel, sintered at 1260 °C (2300 °F...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000023
EISBN: 978-1-62708-312-6
... to approximately 100 ppm of contamination, and high-temperature sintering at 1316 °C (2400 °F) was highly beneficial in minimizing the loss in corrosion resistance of 316L that was contaminated with 1000 ppm of coarse (100/150 mesh) 410L powder. Fig. 3.16 Corrosion resistance of H 2 -sintered 316L...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000131
EISBN: 978-1-62708-312-6
... on the magnetic performance of PM stainless steels. High sintering temperatures not only lead to high sintered densities but also help achieve significantly reduced levels of interstitials (nitrogen, oxygen, carbon). In addition, a high sintering temperature produces a larger grain size and a greater degree...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000039
EISBN: 978-1-62708-312-6
... microstructural factors on the mechanical properties of high-temperature (1400 °C, or 2552 °F), vacuum-sintered, injection-molded parts made from water- and gas-atomized 304L stainless steel. The parts had been debound to give identical sintered densities of 98% for both materials. Parts made from the water...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... as reaction-bonded SiC (also referred to as siliconized SiC). In direct-sintered SiC, submicrometer SiC powder is compacted and sintered at temperatures in excess of 2000 °C (3600 °F), resulting in a high-purity product. Reaction-bonded SiC, on the other hand, is processed by forming a porous shape comprised...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130395
EISBN: 978-1-62708-284-6
... of alloys Dimensions not conforming to specification  Segregation of carbon and lubricant … Sintering  Low cooling rate …  High cooling rate Low hardness  Low temperature Decarburization  High temperature Oxidation  Low soaking time Excess growth  High soaking time...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... and slurry casting, centrifugal casting, tape casting, and additive manufacturing. Sintering options are outlined with respect to attaining high final properties. References 1. Sung H.J. , Ha T.K. , Ahn S. , and Chang Y.W. , An Investigation on Elongation-Porosity...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740373
EISBN: 978-1-62708-308-9
... is possible with admixed copper or nickel. Admixed nickel requires economically prohibitive sintering times (even at high sintering temperatures) for complete alloying. Higher-alloyed powders, such as stainless steels, tool steels, and superalloys, are all prealloyed powders. The requirement of complete...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
... shrinkage. The effects of temperature and time on the density achieved by pressureless sintering are shown in Table 19.7 . It is apparent that high densities can be achieved only at temperatures of 1175 °C (2147 °F) and above. Table 19.7 Effect of sintering temperature and time on the density...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000005
EISBN: 978-1-62708-312-6
... by selecting finer-than-conventional, prealloyed powders, combined with high-sintering-temperature (1260 °C, or 2300 °F) sintering. Sintered and heat treated 17-4 PH materials produced in their study showed yield strengths greater than 690 MPa (100 ksi), with tensile elongations of 7%. The chemical composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000101
EISBN: 978-1-62708-312-6
... sintering is done at relatively high temperatures, due to the lack of complete homogenization ( Ref 5 ). Because of the importance of optimal processing and sintering, and the many processing combinations that can yield optimal results, the processing requirements for optimal results are summarized...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... grain boundaries, giving a small grain size in a high-temperature material. Accordingly, powder-binder forming provides a means to deliver net-shape components with homogeneous properties that cannot be attained with casting. Cast strength is half that attained via sintering techniques. Reinforced...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
... the particles, allows for fast sintering. At such high temperatures, the particles bond and densify by atomic diffusion. Because of the densification, the component shrinks to approach full density. On cooling, the sintered component is then ready for finishing operations, such as heat treating, painting...