408 Influence of carbon concentration on microstructure, residual stress and strength of heavily drawn steel wire

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  • 408 強伸線鋼の組織・残留応力および強度に及ぼす炭素含有量の影響(関東支部 茨城講演会)

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Three steels with carbon content of 0.008, 0.42 and 0.62 mass% were drawn by a true strain of 4.0. The drawn wires were examined by neutron diffraction, changing the direction with 5 degrees interval from the drawing direction. From (110) and (200) ferrite diffraction profiles, the intergranular stress and FWHM are found to increase with increasing of carbon content, the tensile strength is also increased with increasing of carbon content and the reason is discussed based on the neutron diffraction results.

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