| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for combining by simply and surely manufacturing a portion of a valve composed of a plurality of parts, a combined part manufactured with the above method and the valve for car engine manufactured with the above method. SOLUTION: In the method for forming a combined part between a valve shaft (1) and a valve disk (2) composed of the plurality of parts for particularly, the car engine, this combined part among these parts is formed by casting the end part of the valve shaft composed of a steel with an intermetallic compound composed of a titanium-aluminide. COPYRIGHT: (C)2004,JPO |
