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常识“夹钢”是什么意思,起源、典故、生平简介及释义-历史文化

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释义 夹钢钢铁刃器复合材料技术的主要工艺形式。发明时间不详。沿用至今。《天工开物》卷十称用熟铁锻成,并“嵌钢于口”,亦属这一工艺。具体操作是刃器本体用含碳量较低的铁碳合金,仅在刃部中心夹入含碳量较高的铁碳合金。优点是使刃器既锋利,又不容易卷缺和折断。是使用最广的一种复合材料工艺。实物有1974年江苏丹徒出土宋咸淳六年(1270)铁刀等。
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