| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method of manufacturing a metal jointing body having high jointing strength by a simple solid phase method. SOLUTION: The manufacturing method of a metal jointing body is a method for performing pressed jointing and purification at the same time and at a simple manner. In the case of obtaining a circular metal jointing body, the manufacturing method comprises a process for obtaining a multi-layered circular body 10A in which a plurality of circular metallic members 11 and 12 having a different diameter are fitted in each other, a process for bringing an adjacent inner and outer periphery surfaces of each circular metallic member forming the multi-layered circular body into close contact with each other while enlarging the outer diameter of the entire multi-layered circular body, and a process for the inner and outer periphery surfaces in close contact in a solid phase state.</p> |
