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layer)으로 구성되어 있다. 가장 표면에서부터 살펴보면 각각의 층은 다음과 같다.
상피조직(epithelium)
고유판 표층(lamina propha의 superficial layer)
고유판의 중간층(intermediate layer)
고유판의 심층(deep layer)
성대근
이 중 두 번째 층인 고유판의 표
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hrough product layer included in
the intermediate model, (cm2/s)
Dso : Effective intraparticle diffusivity through reactant layer included in
the intermediate model, (cm2/s)
Ef, Ef': Effectiveness factor, (-)
F : Fractional reduction, (-)
kf : Mass transportation coefficient through gas film, (cm/
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layer on work rolls in hot rolling, Tetsu-to-Hagane, 61 (1975), p. 98
(4) Show-Ichi Araya : Analysis of wear and oxide layer of roll materials in hot rolling, CAMP-ISIJ, vol. 4 (1991) 1991.
(5) K. Kuo : J. Iron Steel Inst., vol. 174 (1953) p. 223.
(6) A.H. Grobe and G.A. Toberts : Trans. ASM, vol. 4
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layer, and the upward-pointing tetrahedra sit over the rings of octahedra, we have the spinel structure. (This really happens one atom at a time. The geometric description is just a way to allow you to visualize how one structure can evolve into the other. In fact, there is an intermediate form of o
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wear test.
Fig. 5. Adamite specimen dimensions for wear test.
Fig. 6. Schematic representation of high cycle bend-fatigue test method.
Fig. 7. Optical micrographs of hardfacing layer from surface, heat affected zone, and the substrate for first trial. (Etched by 2% Nital)
Fig. 8. Optical micrographs
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