激光淬火硬化层应力状态为压应力。

The stress state of laser hardened case was press stress.

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快速淬火硬化的钢是硬而易碎的，不适合大多数场合使用。

Steel that has been hardened by rapid quenching is brittle and not suitable for most uses.

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焊补冲压模 锻造模 工具钢等淬火硬化后模具材料的修补。

Progressive metal stamping mould forging weld-repair after quench hardened steel mold materials etc.

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