But it is brittle at room temperature because of its big grains and carbide network in the grain boundary coming from its slow cool-speed.

  • 但是由于冷速较低,结果晶粒粗大,晶界形成了粗大的碳化物网络,使得它在室温下为脆性,其延伸率几乎为零,机加工性能极差。

  • 互联网摘选 2025-01-20 12:41:35

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