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    • 6. 发明授权
    • Apparatus for processing corrosive molten metals
    • 用于加工腐蚀性熔融金属的设备
    • US5711366A
    • 1998-01-27
    • US658945
    • 1996-05-31
    • John MihelichRaymond F. Decker
    • John MihelichRaymond F. Decker
    • B22C3/00B22C9/06B22D17/00B22D17/20B22D17/30C22C1/00
    • B22C3/00B22D17/007B22D17/2015Y10S164/90
    • An apparatus for processing materials which are highly corrosive while in a thixotropic state, for example aluminum. The apparatus includes a barrel which is adapted to receive the material through an inlet. In the barrel, the material is heated and subjected to shearing, forming a highly corrosive, semi-solid slurry which is discharged from the barrel through a nozzle. The barrel is constructed with an outer layer of a first material and an inner layer of an Nb-based alloy which is bonded to the outer layer. Positioned within the passageway of the barrel is a screw, the rotation of which operates to subject the material to shearing and move the material through the barrel. The screw is constructed with an outer layer of the Nb-based alloy that is molecularly bonded to an inner core of a different material. The Nb-based alloy is resistant to the corrosive effects of the material being processed.
    • 一种用于处理在触变状态下具有高腐蚀性的材料的设备,例如铝。 该装置包括适于通过入口容纳材料的桶。 在桶中,将材料加热并进行剪切,形成高度腐蚀性的半固体浆料,其通过喷嘴从筒体排出。 筒体由第一材料的外层和与外层结合的Nb基合金的内层构成。 定位在筒的通道内的是螺钉,其旋转操作以使材料经受剪切并将材料移动通过筒体。 螺杆由Nb基合金的外层构成,该外层与不同材料的内芯分子结合。 Nb基合金耐受被加工材料的腐蚀作用。
    • 10. 发明授权
    • Apparatus and method for producing carbide coatings
    • 用于生产碳化物涂层的设备和方法
    • US5242479A
    • 1993-09-07
    • US888877
    • 1992-05-26
    • Boris A. MovchanAlexander A. ChevychelovRaymond F. Decker
    • Boris A. MovchanAlexander A. ChevychelovRaymond F. Decker
    • C23C14/06C23C14/30
    • C23C14/0635C23C14/30
    • This invention relates to a method and apparatus for developing a metallic carbide coating on a substrate. The invention involves providing an enclosed chamber with sources of carbon in the form of a blank and an ingot of a metal material taken from the group including titanium, boron and silicon. Electron beam guns are employed to heat the carbon source causing a carbon vapor flow within the vessel. In accordance with this invention, the metal ingot is subjected to two distinct heating steps. A first heating step preferably using an electron beam gun, melts the ingot and the molten material flows onto a refractory surface where it is subjected to a second heating step, preferably also using an electron beam gun. The plural heating approach of this invention has been found to produce significant increases in metal vaporization rate, thus permitting a higher rate of formation of metallic carbide to be provided on the substrate.
    • 本发明涉及一种用于在基底上显影金属碳化物涂层的方法和装置。 本发明涉及提供封闭室,其具有坯料形式的碳源和从包括钛,硼和硅的组中取出的金属材料锭。 电子束枪用于加热碳源,导致容器内的碳蒸气流动。 根据本发明,金属锭经受两个不同的加热步骤。 优选使用电子束枪的第一加热步骤熔化锭,并且熔融材料流入耐火表面,其中经受第二加热步骤,优选也使用电子束枪。 已经发现本发明的多重加热方法产生金属蒸发速率的显着增加,从而允许在基底上提供更高的金属碳化物的形成速率。