发明名称 |
METHOD OF MANUFACTURING SPIRAL LAYERED COMPOSITIES USING COMPRESSION-TORSION |
摘要 |
Disclosed is a preparation method for a composite which comprises the following steps: (a) preparing unit metal pieces comprising two or more types of different metals; (b) circumferentially arranging the two or more types of unit metal pieces in a mold comprising upper and lower dies; (c) applying compressive stress to the loaded metal pieces using the upper and lower dies; and (d) rotating the upper and lower dies in one or two directions to apply torque in the pressed state. |
申请公布号 |
KR101278290(B1) |
申请公布日期 |
2013.06.21 |
申请号 |
KR20110107407 |
申请日期 |
2011.10.20 |
申请人 |
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发明人 |
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分类号 |
B21D22/08;B21D31/00;B23K20/02;B23K20/233 |
主分类号 |
B21D22/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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