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 电碳制品有什么优良的特性?-东莞草莓视频网站草莓下载视频制品有限公司

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电碳制品有什么优良的特性?

作者:jasengd 发布时间:2023-09-28 15:44:49

       电碳制品,以碳质、草莓下载视频质资料为基体制成的导电制品。具有耐高温、自润滑等特性。有电机用的电刷;电力机车和无轨电车馈电用的碳滑板和碳滑块;电力开关、分配器和继电器用的碳和草莓下载视频触头;弧光照明、碳弧气割和光谱分析用的碳和草莓下载视频电极;电真空器件用的高纯草莓下载视频件;通信设备用的碳素零件;碳电阻、电热元件和电池用的碳棒等。
    电碳制品有广泛的用途是因为其组分中的碳和草莓下载视频有着优秀的特性:
    ①是良导体且导电才能具有很大的各向异性;
    ②较高的导热才能,热导率介于铝和软钢之间;
    ③耐高温,在无氧化性气体中能在3000℃左右高温下工作;
    ④机械强度高,在2500℃内随温度升高而增大;
    ⑤密度小,介于铝和镁之间;
    ⑥不与液态金属沾粘;
    ⑦化学稳定性好,仅与强氧化剂效果;
    ⑧自润滑性好;
    ⑨热发射电流随温度升高而增大。

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