Mechanical fuse and production method for the same

Details Mechanical fuse and production method for the same Mechanical fuse and production method for the same

2006-07-18

2006-07-18

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S304400, C428S615000, C428S627000, C428S632000

Reexamination Certificate

active

07078112

ABSTRACT:
A mechanical fuse has further improved and stabilized fatigue limit ratio, and can obtain high reliability under a using condition in which cyclic loading is applied. The mechanical fuse includes a Fe-based sintered alloy that has at least one element of P at 0.15 to 1.5 mass %, Si at 0.4 to 2.0 mass %, and Mn at 1.0 to 4.0 mass %, and the remainder consisting of Fe and inevitable impurities. An iron oxide layer is formed on a pore inner wall and the pores have roundness of 0.004 or more. A method of production therefore is also provided.

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JP 2002-168267 (English Machine Translation), Tadayuki et al., Mechanical Fuse and Manufacturing Method for the Fuse, Jun. 2002.

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