PREPARATION OF Mo/Ag LAMINAR COMPOSITES BY USING IRRADIATION DAMAGE ALLOYING METHOD
Received date: 2011-12-29
Revised date: 2012-08-15
Online published: 2012-10-11
Supported by
Supported by National Natural Science Foundation of China (No.51171128) and Key Technologies R&D Program of Tianjin (No.11ZCKFGX03800)
The preparation of laminar metal matrix composites for immiscible alloy systems was difficult due to the positive formation heat and diffusion difficulty between each other, resulting in no metallurgy combination forming on interfaces. Aiming at this situation, a new irradiation damage alloying method for immiscible and not reacting alloy systems was presented in this work, through irradiation damages were produced by an ion implantation technology in the matrix metal first, and then the metal in the surface layer diffused into the matrix metal through the irradiation damages to form metallurgy combination with the metal. The key of this kind of metallurgy combination is to form amorphous alloy phase in the diffusion layer. By alloying the high–performance Mo/Ag laminar metal matrix composites used in spacecraft were prepared, whose maxium resistance spot welding joint tensile strength reaches 150 MPa, the average 130 MPa. The properties of thees composites exceed the national military standards and the technical requirements specified by astronic users.
HUANG Yuan KONG Deyue HE Fang WANG Yulin LIU Wenxi . PREPARATION OF Mo/Ag LAMINAR COMPOSITES BY USING IRRADIATION DAMAGE ALLOYING METHOD[J]. Acta Metall Sin, 2012 , 48(10) : 1253 -1259 . DOI: 10.3724/SP.J.1037.2011.00811
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