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full sintering of powdered metal bodies in a microwave

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  • USA1Process for sintering powder metal

    USA1 US09/769 839 USA USA1 US A1 US A1 US A1 US A US A US A US A1 US A1 US A1 Authority US United States Prior art keywords sintering microwave powder metal metal powder Prior art date Legal status (The legal

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  • Incremental solidification (toward 3D-printing) of metal

    Jan 05 2020 · Microwave energy has been intensively applied as a means for volumetric heating and sintering of ceramic materials 6 . Nowadays microwaves are also studied for post-processing of 3D-printed ceramic products 7 . Microwaves were also found applicable for metal-powder sintering 8 9 and for joining of metal parts .

    Get Price
  • (PDF) Microwave Heating of Pure Copper Powder with Varying

    Full Sintering of Powdered-Metal Bodies in a Microwave Field. Article. Jun 1999 Nature Rustum Roy Here we describe the microwave sintering of powdered metals to full

    Get Price
  • (PDF) Microwave Heating of Pure Copper Powder with Varying

    Full Sintering of Powdered-Metal Bodies in a Microwave Field. Article. Jun 1999 Nature Rustum Roy Here we describe the microwave sintering of powdered metals to full

    Get Price
  • (PDF) Microwave Sintering of Titanium

    Consequently it leads to lengthy sintering cycles (10-12 hr). This work presents an assessment of microwave (MW) sintering of titanium. Titanium powders in the size ranges of <20 mu m 45-63 mu m

    Get Price
  • Microwave Sintering of PM Steels SpringerLink

    Agrawal S. Gedevanishvili J. Cheng Full sintering of powdered-metal bodies in a microwave field Nature Vol. 399 S. (1999) CrossRef Google Scholar M. Willert-Porada H.-S. Park Heating and Sintering of Steel Powders with Micro-waves at 2.45 GHz FrequencyRelation Between Heating Behaviour and Electrical Conductivity Ceram.

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  • USA1Process for sintering powder metal

    USA1 US09/769 839 USA USA1 US A1 US A1 US A1 US A US A US A US A1 US A1 US A1 Authority US United States Prior art keywords sintering microwave powder metal metal powder Prior art date Legal status (The legal

    Get Price
  • Microwave Sintering of PM Steels SpringerLink

    Agrawal S. Gedevanishvili J. Cheng Full sintering of powdered-metal bodies in a microwave field Nature Vol. 399 S. (1999) CrossRef Google Scholar M. Willert-Porada H.-S. Park Heating and Sintering of Steel Powders with Micro-waves at 2.45 GHz FrequencyRelation Between Heating Behaviour and Electrical Conductivity Ceram.

    Get Price
  • Microwave sintering of metal powdersScienceDirect

    Jan 01 2013 · Microwave sintering of powder metallurgy (PM) green bodies comprising various metals steels and metallic alloys in general produces highly sintered bodies in a very short period of time.

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  • (PDF) Microwave-induced reaction sintering of NiAl 2O 4

    Trans. 80 (1997) 326. is partly responsible for the radically enhanced 5 R. Roy D.K. Agrawal J.P. Cheng S. Gedevanishvili Full sintering of powdered metal bodies in a microwave field Na- kinetics observed in these experiments.

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  • Microwave sintering of copper–graphite composites

    Aug 01 2009 · Though some literature exists in microwave sintering of metal no literature is available presently in the area of microwave sintering of copper based composites. 2. Experimental procedure Full sintering of powdered-metal bodies in a microwave field. Nature 399 (1999) pp. . View Record in Scopus Google Scholar.

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  • Full sintering of powdered-metal bodies in a microwave

    Jun 17 1999 · Here we describe the microwave sintering of powdered metals to full density. We are able to sinter a wide range of standard powdered metals from commercial sources using a 2.45-GHz microwave field

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  • (PDF) Microwave assisted sintering of metallic materials

    Microwave assisted sintering is an emerging technology. The combination of conventional and microwave heating (so called hybrid heating) leads to rapid heating and enhanced densification. The

    Get Price
  • Initial kinetics of microwave sintering of copper

    Model experiments for the initial stage of microwave sintering have revealed volume diffusion that can be accompanied by evaporation–condensation and surface diffusion. The volume diffusion is also confirmed by closer distances between the particles. The experimental data show that the mass transfer is intensified during microwave heating.

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  • (PDF) Microwave Heating of Pure Copper Powder with Varying

    Full Sintering of Powdered-Metal Bodies in a Microwave Field. Article. Jun 1999 Nature Rustum Roy Here we describe the microwave sintering of powdered metals to full

    Get Price
  • Consolidation of MA W-Ni-Fe Alloyed Powder by Microwave

    R Roy D Agrawal J Cheng and S Gedevanishvili "Full sintering of powder metal bodies in a microwave field " Nature Vol. 399 No 6737 June 1999 PP. . 12

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  • Microwave Sintering Fundamentals and ModelingRybakov

    Mar 30 2013 · The microwave absorption properties of ceramic and metal powder materials and the methods of their description are addressed. Self‐consistent electromagnetic and thermal models that are capable of predicting the temperature distribution in the microwave‐heated materials and dynamic effects such as thermal runaway instabilities are reviewed.

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  • (PDF) Microwave versus conventional sintering A review of

    Microwave sintering of as-received tung- sten powder of 99.95 purity and average particle size of 5–7 ␮m and activated tungsten powder by reducing its particle size in a high-energy planetary mill with milling time of 5 h and plate and bowl speed of 240 and 670 rpm is carried out in a 3 kW 2.45 GHz microwave

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  • INVESTIGATION OF MICROWAVE SINTERING ON HIGH

    Microwave sintering of metallic materials was proved possible in 1999. 2)Owing to its rapid heating rate microwave heating consumes less energy provides short processing time and eliminates undesirable excessive temperature effects to the material during heating and cooling cycles.

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  • (PDF) Microwave assisted sintering of metallic materials

    Microwave assisted sintering is an emerging technology. The combination of conventional and microwave heating (so called hybrid heating) leads to rapid heating and enhanced densification. The

    Get Price
  • Finite element simulation of hybrid microwave sintering

    Sep 10 2020 · Roy R Agrawal D Cheng J Gedevanishvili S (1999) Full sintering of powdered-metal bodies in a microwave field. Nature 401 668–670 Article Google Scholar

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  • Microwave and Conventional Sintering of Premixed and

    The aim of the present investigation is to study the sintering behavior of the Cu- 12Sn bronze system in both a microwave furnace as well as a conventional furnace. The powders prepared by premixed and prealloyed routes were sintered in the range of solid state transient and supersolidus liquid phase sintering conditions. The comparative analysis is based on the sintered density

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  • (PDF) Microwave Sintering of Titanium

    Consequently it leads to lengthy sintering cycles (10-12 hr). This work presents an assessment of microwave (MW) sintering of titanium. Titanium powders in the size ranges of <20 mu m 45-63 mu m

    Get Price
  • MICROWAVE SINTERING OF METAL POWDER COMPACTS

    a result the millimeter wave method allows a reduction of sintering temperature of about 100°C in comparison to the conventional method. REFERENCES 1. R. Roy D. Agrawal J. Cheng and S. Gedevanishvili "Full Sintering of Powdered-Metal Bodies in a Microwave Field " Nature Vol. 399 p.p. (1999).

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  • Microwave Sintering SpringerLink

    Aug 10 2018 · Roy R Agrawal D Cheng J Gedevanishvili S (1999) Full sintering of powdered-metal bodies in a microwave field. Nature 399 668–670 CrossRef Google Scholar 31.

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  • (PDF) Rapid discharge sintering of nickel–diamond metal

    Tribological studies of electroless metal bodies in a microwave field. Nature 399 668–669. nickel/diamond composite coatings on steels. Diamond and Related Materials Saitou K. 2006. Microwave sintering of iron cobalt nickel copper and stainless 17 853–859. steel powders. Scripta Materialia 54 875–879.

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  • Microwave sintering of ceramics composites and metal

    Jan 01 2010 · For example sol-gel prepared alumina grit was sintered to full density using a continuous microwave process. 13 The alumina grit precursor powder (Carborundum Universal Madras India) with an average particle size of 0.8–1.0 mm (agglomerated grains) when microwave sintered at 1500 °C for 15 minutes provided density of 3.96 g/cc which is very close to theoretical density.

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  • Finite element simulation of hybrid microwave sintering

    Sep 10 2020 · Roy R Agrawal D Cheng J Gedevanishvili S (1999) Full sintering of powdered-metal bodies in a microwave field. Nature 401 668–670 Article Google Scholar

    Get Price
  • Incremental solidification (toward 3D-printing) of metal

    Jan 05 2020 · Microwave energy has been intensively applied as a means for volumetric heating and sintering of ceramic materials 6 . Nowadays microwaves are also studied for post-processing of 3D-printed ceramic products 7 . Microwaves were also found applicable for metal-powder sintering 8 9 and for joining of metal parts .

    Get Price

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