탄소재 전극용 연결부
    2.
    发明公开
    탄소재 전극용 연결부 无效
    连接用于基于碳的电极的部件及其制造方法

    公开(公告)号:KR1020040083004A

    公开(公告)日:2004-09-30

    申请号:KR1020040018909

    申请日:2004-03-19

    IPC分类号: C25B11/00

    摘要: PURPOSE: To obtain linking parts which are distinguished by desired low thermal expansion coefficient and has superior fiber-matrix adhesion property by increased strength, and in which fiber is not broken up at all by results of internal stress. CONSTITUTION: The linking parts comprise carbon fiber the surface of which is oxidatively activated, and which additionally has carbonization coating, wherein the carbonization coating is a carbonization product of wax, pitch, natural resin, thermoplastic and thermosetting polymers, wherein the carbon fiber has an elastic coefficient of 200 to 250 GPa, wherein a linear thermal expansion coefficient is -0.5 to +0.1 μm/(K·m) in a direction parallel to the side surface and 1.7 to 2.1 μm/(K·m) in a direction perpendicular to the side surface, wherein the carbon fiber has an average length of 0.5 to 40 mm, wherein a mass part of the carbon fiber is 0.2 to 10 %, wherein a mass part of coating carbonized on the carbon fiber is 0.2 to 15 % of the carbon fiber, and wherein the carbon fiber is polyacrylonitrile based carbon fiber.

    摘要翻译: 目的:获得以期望的低热膨胀系数为特征的连接部件,并且通过增加的强度具有优异的纤维 - 基体粘合性,并且其中纤维根本不被内应力结果破坏。 构成:连接部分包括其表面被氧化活化并且另外具有碳化涂层的碳纤维,其中碳化涂层是蜡,沥青,天然树脂,热塑性和热固性聚合物的碳化产物,其中碳纤维具有 弹性系数为200〜250GPa,其中在与侧面平行的方向上的线性热膨胀系数为-0.5〜+0.1μm/(K·m),垂直方向为1.7〜2.1μm/(K·m) 其特征在于,所述碳纤维的平均长度为0.5〜40mm,碳纤维的质量部分为0.2〜10%,碳纤维上碳化的涂层的质量为0.2〜15% 碳纤维,其中碳纤维是基于聚丙烯腈的碳纤维。