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公开(公告)号：US3936327A
公开(公告)日：1976-02-03
申请号：US478110
申请日：1974-06-10
申请人： Walter Fichtl , Gunter Wiebke , Helmut Kunst , Alfred Graf VON Matuschka , Georg Bachmann , Alfred Lipp
发明人： Walter Fichtl , Gunter Wiebke , Helmut Kunst , Alfred Graf VON Matuschka , Georg Bachmann , Alfred Lipp
摘要： The present invention relates to powdered boriding compositions for the production of single-phase boride layers on metal articles being substantially free from cracks in the case of mechanical stress, which comprise an activator and a mixture of a boron-releasing agent and an unreactive refractory material, such as silicon carbide.
摘要翻译： 本发明涉及用于在金属制品上生产单相硼化物层的粉末化硼化组合物，其在机械应力的情况下基本上没有裂纹，其包含活化剂和脱硫剂和非反应性耐火材料的混合物 ，如碳化硅。
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2.发明授权
公开(公告)号：US3989883A
公开(公告)日：1976-11-02
申请号：US531221
申请日：1974-12-10
申请人： Gunter Wiebke , Ludwig Korndorfer , Eugen Korndorfer , Andreas Korsten , Theodor Benecke , Fritz Petersen
发明人： Gunter Wiebke , Ludwig Korndorfer , Eugen Korndorfer , Andreas Korsten , Theodor Benecke , Fritz Petersen
CPC分类号： C01B31/36 , H05B3/60 , C01P2006/60
摘要： An electrical resistance furnace installation, especially for the production of silicon carbide, has no side walls. In the one arrangement, the installation has two end walls, each provided with an electrode, with the resistive core for heating reacting valves extending between the electrodes at the end wall. In another arrangement, the installation has only one end wall, with the resistive core extending between an electrode in the one end wall, and a connection to a further electrode arranged in the bottom of the furnace. In a still further arrangement, the furnace has neither end walls nor side walls, and the resistive core is horizontally supported above the furnace floor and electrically connected through electrodes in the bottom of the furnace. The reacting ballast, in each embodiment, is poured onto the furnace floor to surround the resistive core for heating of the ballast.
摘要翻译： 特别是用于生产碳化硅的电阻炉安装没有侧壁。 在一种布置中，安装具有两个端壁，每个端壁设有电极，电阻芯用于加热在端壁处的电极之间延伸的反应阀。 在另一种布置中，安装件仅具有一个端壁，电阻芯在一个端壁中的电极之间延伸，并且连接到设置在炉底部的另一个电极。 在另一方面，炉子既没有端壁也没有侧壁，并且电阻芯水平地支撑在炉底上方并且通过炉底部的电极电连接。 在每个实施例中，将反应式镇流器倾倒在炉底上以包围用于加热镇流器的电阻芯。
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3.发明授权
公开(公告)号：US3950602A
公开(公告)日：1976-04-13
申请号：US531236
申请日：1974-12-10
摘要： In a furnace installation for producing silicon carbide in an intermittent operation, carbon electrodes arranged in the bottom of the furnace. A horizontally arranged resistance core is electrically connected to the carbon electrodes by vertically extending elements of an electrically conductive material having a higher specific conductivity than the core material. The resistivity of the connection between the electrodes and the core and the current passing through the connection produces a temperature lower than that necessary to form silicon carbide, and thereby prevents the destruction of the connections and electrodes normally caused by the downward movement of the silicon carbide roller.
摘要翻译： 在间歇操作中生产碳化硅的炉子安装中，设置在炉底部的碳电极。 水平布置的电阻芯通过垂直延伸的具有比芯材更高的导电性的导电材料的元件与碳电极电连接。 电极和芯之间的连接电阻和通过连接的电流产生比形成碳化硅所需的温度低的温度，从而防止通常由碳化硅向下移动引起的连接和电极的破坏 滚筒。
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公开(公告)号：US3976829A
公开(公告)日：1976-08-24
申请号：US531621
申请日：1974-12-11
IPC分类号： H05B3/62 , C01B31/36 , C21C5/52 , F27B1/00 , F27B1/08 , F27B3/08 , F27B15/10 , F27D11/04 , F27D17/00 , F27D99/00 , H05B3/60
CPC分类号： C01B31/36 , F27B1/005 , F27D17/001 , F27B15/10 , F27D2099/0008
摘要： An electrical resistance furnace, especially for the production of silicon carbide, in which the furnace has a porous bed on its floor, and a gas flow is provided for withdrawing gaseous reaction products from the furnace. Alternatively, or in addition to the porous bed, a covering sheet is provided over the burden. In addition, ducts may be provided within the furnace, beneath the cover and/or in communication with the porous bed, for the removal of gaseous products. The furnace may be of the open mound type, without side walls, in which case the cover may be a flexible cover that covers the top and sides of the burden.
摘要翻译： 一种特别用于生产碳化硅的电阻炉，其中炉子在其地板上具有多孔床，并且提供气流以从炉中取出气态反应产物。 或者，或除了多孔床之外，在负担上设置覆盖片。 此外，管道可以设置在炉内，盖下方和/或与多孔床连通，以用于除去气态产物。 炉子可以是开放型的，没有侧壁，在这种情况下，盖可以是覆盖负担的顶部和侧面的柔性盖。
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