The experimental results show that by combining rare earth modification with heat treatment the eutectic carbide network changes into carbide piece and precipitation of granular carbide are accelerated as a result deferring crack forming time and reduce crack propagation speed and increase the impact fatigue resistance effectively.

  • 结果表明:稀土与热处理复合作用,可加速网状共晶碳化物向孤立块状的转变,促进粒状碳化物的析出,有效地推迟裂纹产生的时间,降低裂纹扩展速率,提高其冲击疲劳抗力。

  • 互联网摘选 2025-01-20 12:41:35

    • 重点词汇
    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句