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MULTILAYER METAL/FLEXIBLE GRAPHITE SEALS SUITABLE FOR HIGH-TEMPERATURE SERVICE CONDITIONS
MULTILAYER METAL/FLEXIBLE GRAPHITE SEALS SUITABLE FOR HIGH-TEMPERATURE SERVICE CONDITIONS
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机译:适用于高温使用条件的多层金属/柔性石墨密封件
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摘要
The present invention relates generally to a composite plate produced by an alternating stack of (n+1) flexible graphite foils and (n) perforated metal reinforcing foils with spurs (where n≧2). The thicknesses of the flexible graphite foils used are preferably such that any 2 mm slice of thickness of the composite plate comprises at least 3 layers of flexible graphite, and has a graphite density per unit area of at least 2.34 kg/m2. For each perforated metal reinforcing foil, the spurs present on the foil generally have a height in relation to the surface of that foil that does not exceed about 1.3 times the thickness of the thinnest of the flexible graphite layers to which it is attached. A composite plate of the present invention enables the manufacture of gaskets that resist temperatures up to 550° C. under continuous service.
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机译:本发明总体上涉及一种复合板,该复合板由(n + 1)个柔性石墨箔和(n)个带刺的穿孔金属增强箔(n≧ 2)交替堆叠而成。所使用的柔性石墨箔的厚度优选为使得复合板的任何2mm厚度的切片包括至少3层柔性石墨,并且每单位面积的石墨密度为至少2.34kg / m 2。对于每个穿孔的金属增强箔片,存在于箔片上的突刺相对于箔片表面的高度通常不超过其所附着的最薄柔性石墨层厚度的约1.3倍。本发明的复合板使得能够制造在连续使用下抵抗高达550℃的温度的垫片。
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