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yongbinz金虫 (著名写手)
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[求助]
急求翻译一段话(中译英),100金币
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| 要获得高的剥离强度,除了薄膜与铜良好的界面作用外,还需要薄膜具有较高的内聚强度。A的低剥离强度产生的原因正是因为其较低的内聚强度。此处“内聚强度”与“拉伸强度”两个概念并不完全相同。因为,薄膜的拉伸强度是薄膜沿薄膜平面的破坏强度,而剥离时的内聚强度则主要是垂直于薄膜平面方向的破坏强度。通常的薄膜都存在分子链沿薄膜平面的较大程度的取向,因此,两个方向的强度不能等同,这也就是说,薄膜的拉伸强度大并不表示剥离时其内聚强度就大。而薄膜与铜箔界面附近存在的“弱边界层”会加剧薄膜在这一区域的内聚强度与本体拉伸强度的差别。因此,此处只能说明边界区域的内聚强度小而不能说其拉伸强度小。 |
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【答案】应助回帖
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爱与雨下(金币+2): 2011-11-25 08:54:54
sltmac: 与机器翻译相似度很高,还望修改~~ 2011-11-26 08:17:56
爱与雨下(金币-2): bb收回 2011-12-02 08:56:00
sltmac(金币-5): 机器翻译,初犯,扣5金币予以警告~ 2011-12-02 09:17:17
爱与雨下(金币+2): 2011-11-25 08:54:54
sltmac: 与机器翻译相似度很高,还望修改~~ 2011-11-26 08:17:56
爱与雨下(金币-2): bb收回 2011-12-02 08:56:00
sltmac(金币-5): 机器翻译,初犯,扣5金币予以警告~ 2011-12-02 09:17:17
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To obtain a high peel strength, in addition to a good interface with the copper film role, but also need to have a higher film cohesive strength. A low peel strength causes precisely because of its low cohesive strength. Here "cohesive strength" and "tensile strength" two concepts are not identical. Because the tensile strength of the film along the film plane of the film breaking strength, and peel strength when the cohesion of the film is mainly in the plane perpendicular to the direction of the breaking strength. Usually the molecular chain of the film there is a greater degree along the film plane orientation, therefore, can not be the same strength in both directions, which means that Film strip tensile strength does not mean that the cohesive strength when its big. The copper thin film near the interface with the existence of "weak boundary layer" will film in the region increased cohesive strength and bulk tensile strength difference. Therefore, here only shows that the cohesive strength of the boundary region is small and can not say that the tensile strength of small. |
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