the induction heating of pyrolytic graphite - sciencedirect

RF industrial heating

Induction heating: precision plus reproducibility Thales has developed a new technology for these tubes, namely the pyrolytic grid. Based on the crystallization of pyrolytic graphite, it produces a single-piece part, without any welds. This structure, coupled with

Automated outgassing facility with inductive heating:

Induction heating is used to heat the sample to 2000 C. This heating technique was chosen to avoid heating other components in the vacuum chamber. Since the walls are heated by radiation from the sample at the higher temperatures, they are kept at a constant elevated temperature of 100 C by thermostatically controlled heaters throughout the experiment.

Carbonization, graphitization, and machining of

Carbonization of molded graphite: carbonizing (also known as baking) the green shape is the next step. Carbonization takes place in a furnace in an inert or reducing atmosphere. The process may last from a few days to several weeks depending on the constituents, and the size and geometry of the part. The temperature is raised slowly to 600C, at which stage the binder softens, volatiles are

Inductive Heating

Jacek P. Dworzanski, Henk L.C. Meuzelaar, in Encyclopedia of Spectroscopy and Spectrometry, 1999Curie-point pyrolysers Curie-point pyrolysis takes advantage of fast inductive heating of ferromagnetic materials placed in the high frequency (0.5–1.0 MHz) electromagnetic field generated inside the inductive coil surrounding the pyrolytic reaction tube.

What is Induction Heating and How do Induction Coils

Induction heating is an accurate, fast, repeatable, efficient, non-contact technique for heating metals or any other electrically-conductive materials. An induction heating system consists of an induction power supply for converting line power to an alternating current and delivering it to a workhead, and a work coil for generating an electromagnetic field within the coil.

of High Strength Filamentary Materials May 22, 1965

of the susceptor, thus heating the graphite boat by radiation. With the exception of the graphite boat, all components of the heating unit are made of Pyroid. The overall design is illustrated in Figure 3. Two one-half inch thick pyrolytic graphite discs are

pyrolyt graphite, pyrolyt graphite Suppliers and

Alibaba offers 2,533 pyrolyt graphite products. A wide variety of pyrolyt graphite options are available to you, Related Searches for pyrolyt graphite: graphite electrode graphite sheet graphite crucible graphite pencil graphite powder graphite rod graphite tennis racket graphite die mumetal pyrolytic graphite sheet graphite melting graphite felt More

Pyrolytic carbon and pyrolytic graphite

Pyrolytic graphite can be prepared through a CVD process by thermally decomposing a hydrocarbon gas such as methane, ethylene or acetylene at about 1100C by the induction heating of a substrate under taken at either a low pressure, when the product tends to be isotropic or, at pressures upto 1 atm (101kPa), when it is necessary to dilute with a non-reactive gas such as argon or hydrogen to

Effect of Nanobubbles on the Flotation Performance of

The highly oriented pyrolytic graphite (HOPG) was used as substrate to simulate the coal surface. The nanobubbles were generated by the temperature difference method, that is, two pipes were connected to the cell for fluid replacement with 20 C water instead of 7 C cold water on the surface of HOPG.

China High Temperature Vacuum Induction Furnace for

China High Temperature Vacuum Induction Furnace for Pyrolytic Graphite Sheet, Find details about China Electric Furnace, Induction Furnace from High Temperature Vacuum Induction Furnace for Pyrolytic Graphite Sheet - Zhuzhou Chenxin Induction Equipment

Pillar Delivers Six (6) Induction Systems to Silicon Carbide

Pillar Induction has commissioned six (6) new induction heating systems used in the chemical vapor deposition (CVD) process for the production of silicon carbide (SiC) coated graphite products used in the aircraft / aerospace, industrial and semiconductor

Journal of Nuclear Materials

resistance for induction heating using hot crucibles technique. Nevertheless it is a strong reducer, which creates problems with melts containing oxides such as UO 2. That is the reason why IAE NNC RK and CEA research a way to protect the graphite crucibles

(PDF) U11i4e States atent [191 Houdayer et a1. [54]

According to the invention, the process consists of immersing a porous structure made e.g. from carbon or graphite in a liquid hydrocarbon, such as for example cyclohexane, and heating it by induction and preferably to a temperature between 1000 and 1300

The induction heating of pyrolytic graphite

Using a pyrolytic graphite susceptor in this way, sizable systems can be heated to high temperatures without any additional thermal insulation. The larger the diameter of the susceptor, the lower the frequency which can be used for efficient coupling, and thus the larger the temperature difference which can be established across the susceptor wall.

Structural and nanostructural behavior of deuterium implanted Highly Ordered Pyrolytic Graphite

nanostructural behavior of Highly Ordered Pyrolytic Graphite (HOPG). As previously experimented by Ammar et al. [1] for the characterization of nuclear graphite implanted with chlorine ions

Graphene Synthesis by Inductively Heated Copper Foils: Reactor

that heating is done without contact limits any contamination by pyrolytic carbon deposition from graphite resistor generally used in substrate holder for resistive heating. The inductive heating CVD method has been used previously for growing graphene [8–10] and

Experimental study of the sublimation of graphite at high

1973/9/1The equilibrium vaporization of pyrolytic graphite was studied using rf induction heating and a time-of-flight mass spectrometer. rf induction heating was demonstrated for the first time as a compatible and practical heating technique for high temperature mass spectrometry. Relative ion intensities were measured for CSUB1/SUB(g), CSUB2/SUB(g), CSUB3/SUB(g), and

RESEARCH AND DEVELOPMENT ON ADVANCED GRAPHITE MATERIALS

Methods of depositing high quality pyrolytic graphite are des-cribed with evidence as to the cause of conical growths and delaminations 1. Induction Heating for Vapor Deposition of Pyrolytic Carbon .. 62 4. 2. Resistance Heating for

Journal of Nuclear Materials

resistance for induction heating using hot crucibles technique. Nevertheless it is a strong reducer, which creates problems with melts containing oxides such as UO 2. That is the reason why IAE NNC RK and CEA research a way to protect the graphite crucibles

Graphite reinforced pyrolytic carbon heart valve

A mechanical prosthetic heart valve with a pyrolytic carbon valve body having re-enforcing fibers in the valve body. The fibers may be short segments of graphite wire or continuous fibers may be wrapp What is claimed is: 1. A method of manufacturing a pyrolytic

Effect of Nanobubbles on the Flotation Performance of

The highly oriented pyrolytic graphite (HOPG) was used as substrate to simulate the coal surface. The nanobubbles were generated by the temperature difference method, that is, two pipes were connected to the cell for fluid replacement with 20 C water instead of 7 C cold water on the surface of HOPG.

Minteq International

Minteq offers custom high-temperature vacuum heat processing, CVI and CVD of carbon composites, uniform coatings, controlled density, pyrolytic graphite (tailored prototypes to large-scale production), thickness range of 0.001 to 1 in. (0.025 to 25 mm), lengths over 42 in. and widths over 15 in. (1,066 and 380 mm), pyrolytic graphite coatings, CNC machining and FIREX™ fire and thermal

RESEARCH AND DEVELOPMENT ON ADVANCED GRAPHITE MATERIALS

Methods of depositing high quality pyrolytic graphite are des-cribed with evidence as to the cause of conical growths and delaminations 1. Induction Heating for Vapor Deposition of Pyrolytic Carbon .. 62 4. 2. Resistance Heating for

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