发明授权
- 专利标题: Brazeable aluminum material and a method of producing same
- 专利标题(中): 可钎焊铝材料及其制造方法
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申请号: US144136申请日: 1993-10-27
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公开(公告)号: US5594930A公开(公告)日: 1997-01-14
- 发明人: Takashi Terada , Masahiro Kojima , Taizo Morita , Katsuyuki Arakawa , Ichiro Iwai , Masakazu Furuta
- 申请人: Takashi Terada , Masahiro Kojima , Taizo Morita , Katsuyuki Arakawa , Ichiro Iwai , Masakazu Furuta
- 申请人地址: JPX
- 专利权人: Showa Aluminum Corporation
- 当前专利权人: Showa Aluminum Corporation
- 当前专利权人地址: JPX
- 优先权: JPX4-333413 19921030
- 主分类号: B23K35/02
- IPC分类号: B23K35/02 ; B23K35/28 ; C23C4/08 ; F28F21/08 ; B22F7/02 ; B23K1/00
摘要:
A brazeable aluminum material is composed of an aluminum core and a brazing agent layer consisting of a brazing agent thermally sprayed onto covering a surface of the core. A number of unmolten minute particles of the brazing agent are present in the brazing agent layer, which contains at least an aluminum-silicon alloy and/or a mixture of aluminum and silicon. Characteristic features of a method of producing the brazeable aluminum material are the steps of: preparing a powder composed of minute particles; and thermally spraying the powder onto the aluminum core in such a state that only a surface of each minute particle is molten, with a pith of the particle remaining unmolten. The powder is an Al-Si alloy and/or a mixture of Al powder and Si powder.
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