Through heat treatment, material hardness and strength increase, but impact toughness decreases.

热处理后，材料的硬度和强度均有提高，但冲击韧度下降。

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Through heat treatment, material hardness and strength increase, but impact toughness decreases.

热处理后，材料的硬度和强度均有提高，但冲击韧度下降。

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