THERMALLY SPRAYED METAL COATINGS ON WOOD OR WOOD COMPOSITE SURFACES

    公开(公告)号:CA2768426A1

    公开(公告)日:2013-08-16

    申请号:CA2768426

    申请日:2012-02-16

    Abstract: The present invention provides a method of depositing one or more layers of metal coatings onto an organic substrate. The method includes providing a source of a jet of molten metal particles having an average temperature within a predetermined range, an average velocity within a predetermined range. The jet of molten droplets is then directed at a surface of an organic substrate thereby depositing a metal coating on said organic substrate surface. The source of droplets is spaced from the organic substrate a pre-determined distance, and the average velocity and the average temperature are selected for a given metal such that the temperature of the molten metal particles is very close to the melting point of the metal as the molten droplets coat the surface of the organic substrate to minimize damage to the organic substrate.

    NOZZLE FOR THERMAL SPRAY OF LOW OXIDE CONTENT COATINGS

    公开(公告)号:AU2003212155A1

    公开(公告)日:2003-10-08

    申请号:AU2003212155

    申请日:2003-03-14

    Abstract: The present invention provides a spray gun with associated nozzle attachments for high deposition efficiency for thermal spray of high quality, dense, low oxide content coatings. The spray guns are used to produce coatings using a thermal spray process, a high velocity oxy-fuel process, a high velocity air-fuel process, cold spraying, and plasma spraying in which the process is characterized by having an over-expanded flow with a Mach number from about 1.0 to about 4.0 which have passageway section which diverges to the gun outlet. In one embodiment the nozzle attachment is another diverging section with a greater angle of divergence than the diverging nozzle section. In another embodiment the nozzle attachment includes the aforementioned diverging nozzle attachment section followed by a converging nozzle section having an outlet section through which the thermal spray is emitted.

    NOZZLE FOR THERMAL SPRAY OF LOW OXIDE CONTENT COATINGS

    公开(公告)号:CA2479811A1

    公开(公告)日:2003-10-02

    申请号:CA2479811

    申请日:2003-03-14

    Abstract: The present invention provides a spray gun (10) with associated nozzle attachments for high deposition efficiency for thermal spray of high quality , dense, low oxide content coatings. The spray guns (10) are used to produce coatings using a thermal spray process, a high velocity oxy-fuel process, a high velocity air-fuel process, cold spraying, and plasma spraying in which the process is characterised by having an over-expanded flow with a Mach number from about 1.0 to about 4.0 which have passageway (28) section which diverges to the gun outlet. In one embodiment the nozzle attachment is anoth er diverging section (24) with a greater angle of divergence than the diverging nozzle section. In another embodiment the nozzle attachment includes the aforementioned diverging nozzle attachment section followed by a converging nozzle section (42) having an outlet section through which the thermal spray is emitted.

    A RADIO FREQUENCY INDUCTIVELY COUPLED PLASMA (RF-ICP) TORCH

    公开(公告)号:WO2022073094A1

    公开(公告)日:2022-04-14

    申请号:PCT/CA2021/000088

    申请日:2021-10-04

    Abstract: A conical inductively coupled plasma (ICP) torch (100) and a method for processing sample particles is disclosed. In this method raw, unprocessed, irregularly shaped sample particles (21) are injected into the conical torch, and pass through the plasma to form molten particles (22) and a spheroidization of the particles finally generates solid, smooth, spherical and dense processed particles (23) once cooled. The conical torch has a torch tube that has a conical section and an injector tube (2) that has a conical end. The conical section of the torch tube and the injector tube form an annular gap through which outer plasma gas is passed through. This conically exiting outer gas flow results in a rapid rise in gas temperatures and a short plasma region that rapidly melts any particles.

    TORCH FOR INDUCTIVELY COUPLED PLASMA
    6.
    发明申请

    公开(公告)号:WO2019144220A1

    公开(公告)日:2019-08-01

    申请号:PCT/CA2019/000009

    申请日:2019-01-25

    Abstract: A torch for use in inductively coupled plasma is described. In the torch, a torch tube has an angular accelerator where a flow of gas experiences an increase in angular velocity. The torch tube also has a conical end where the increased angular velocity of the gas is encouraged to accelerate into a cavity that can support the plasma. In various examples, the conical end of the torch tube comprising a conical gap that accelerates the axial velocity component of the gas flow.

    NOZZLE FOR THERMAL SPRAY OF LOW OXIDE CONTENT COATINGS
    8.
    发明申请
    NOZZLE FOR THERMAL SPRAY OF LOW OXIDE CONTENT COATINGS 审中-公开
    用于低氧含量涂层热喷涂的喷嘴

    公开(公告)号:WO2003080255A1

    公开(公告)日:2003-10-02

    申请号:PCT/CA2003/000368

    申请日:2003-03-14

    Abstract: The present invention provides a spray gun (10) with associated nozzle attachments for high deposition efficiency for thermal spray of high quality, dense, low oxide content coatings. The spray guns (10) are used to produce coatings using a thermal spray process, a high velocity oxy-fuel process, a high velocity air-fuel process, cold spraying, and plasma spraying in which the process is characterised by having an over-expanded flow with a Mach number from about 1.0 to about 4.0 which have passageway (28) section which diverges to the gun outlet. In one embodiment the nozzle attachment is another diverging section (24) with a greater angle of divergence than the diverging nozzle section. In another embodiment the nozzle attachment includes the aforementioned diverging nozzle attachment section followed by a converging nozzle section (42) having an outlet section through which the thermal spray is emitted.

    Abstract translation: 本发明提供了具有相关喷嘴附件的喷枪(10),用于高沉积效率,用于高质量,致密,低氧化物含量涂层的热喷涂。 喷枪(10)用于使用热喷涂工艺,高速氧 - 燃料工艺,高速空气 - 燃料工艺,冷喷涂和等离子喷涂来生产涂层,其中该工艺的特征在于具有过热, 具有约1.0至约4.0的马赫数的膨胀流,其具有分流到枪出口的通道(28)部分。 在一个实施例中,喷嘴附件是具有比发散喷嘴部分更大的发散角的另一发散部分(24)。 在另一个实施例中,喷嘴附件包括上述发散喷嘴附接部分,随后是具有出射部分的会聚喷嘴部分(42),喷射部分通过该出口部分发射。

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