Metal structure, method of manufacturing metal structure, spring component, chronograph coupling lever for timepiece, and timepiece
作者： Takashi Niwa , Miei Konishi , Matsuo Kishi
DOI:
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摘要: A metal structure includes, by mass %, Fe: 10% to 30%; S: 0.005% 0.2%; and the balance consisting of Ni unavoidable impurities, in which a maximum grain size is 500 nm or less. The preferably has one more stress relaxation rate less, lattice constant 3.535 Å 3.56 Å, yield 1500 MPa more, Young's modulus 150 GPa Vickers hardness Hv 580 more.
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