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友田 陽*; Gong, W.*; Harjo, S.; 篠崎 智也*
Scripta Materialia, 133, p.79 - 82, 2017/05
被引用回数:25 パーセンタイル:73.68(Nanoscience & Nanotechnology)The microstructure evolution during reverse transformation of a Cr-Ni-Mo steel consisting of tempered lath martensite and Cr carbide was examined using neutron diffraction at high temperatures. The microstructural change from a reversed coarse-grained structure to a fine-grained polygonal structure by further annealing was monitored through a decrease in the diffraction intensity caused by primary extinction and the full width at half maximum. This result is different from that for a bainite steel, showing good coincidence with the observations using electron back scatter diffraction.