FCDによる高速鉄道用ブレーキディスクのフェールセーフ設計

概要

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Lightly for alloy make brake disk development, the fail-safe design of the railroad wheel it did. Concretely, two-layer structure brake disk which is based on the thought of FCD was devised. Consideration it did from the viewpoint of fatigue with the specimen which simulates this. The result is as follows : (1) As for fatigue strength of 2 layer material by comparison with those of the AC4CH material single unit, it was same. (2) At near the boundary aspect of 2 layer material those like the fatigue territory of Al were verified. Because of this, the crack which enters from MMC section is suggested at one time having been stagnant. (3) It considered the applicability to the apparatus, crack development test with the large-sized specimen did. As a result, it could stop the development of crack securely in the Al section.
社団法人日本機械学会の論文
2004-09-23