Above this point the hardness can be increased only slightly, because steels above the eutectoid point are made up entirely of pearlite and cementite in the annealed state.

  • 高于此点,由于超过共析点钢完全由珠光体和退火状态的渗碳体组成,硬度增加并不多。

  • 互联网摘选 2025-01-20 17:28:10

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