Results 161 to 170 of about 5,034 (218)

Effect of Silicon and Continuous Annealing Process on the Microstructure, Mechanical Properties, and Hydrogen Embrittlement of DP1500 Steel. [PDF]

Materials (Basel)
Li W, Tang Y, Cao B, Jiang Y, Shen Y, Li W, Zhang K.   +6 more
europepmc   +1 more source

Mechanical Properties and Fatigue Failure of Thermally and Thermochemically Treated C60 Steel. [PDF]

Materials (Basel)
Tudorache Nistor I, Samoila C, Ursutiu D.   +2 more
europepmc   +1 more source

Reaction Behavior of Ultrafine Ferric Oxide Powder with Hydrogen-Carbon Monoxide Gas Mixture. [PDF]

Materials (Basel)
Mao X.
europepmc   +1 more source

Deformation of cementite in cold drawn pearlitic steel wire

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2014
Nanostructural evolution of cementite lamellae in pearlitic steel wires subjected to cold drawing remains elusive, making it difficult to understand the origin of remarkable ductility in cementite.
Xuefeng Zhou, Zonghan Xie, Lichu Zhou
exaly   +2 more sources

Cementite coarsening during the tempering of Fe-C-Mn martensite [PDF]

Acta Materialia, 2018
Cementite precipitation during martensite tempering has become an important processing step in some advanced high strength steels (AHSS). This tempering can lead to the formation of Mn-partitioned cementite which has a strong influence on subsequent ...
Mark Styles, W W Sun, Y X Wu
exaly   +2 more sources

The effect of alloying elements on cementite coarsening during martensite tempering [PDF]

Acta Materialia, 2020
The effects of anti-segregating elements (Si and Al) and segregating elements (Cr and Mo) on cementite precipitation during tempering of Fe-C-Mn martensites have been quantitatively investigated in terms of both cementite chemistry and particle size ...
Mark Styles, W W Sun, Y X Wu
exaly   +2 more sources

Atomic-scale mechanisms of deformation-induced cementite decomposition in pearlite

Acta Materialia, 2011
Pearlitic steel can exhibit tensile strengths higher than 5 GPa after severe plastic deformation, where the deformation promotes a refinement of the lamellar structure and cementite decomposition. However, a convincing correlation between deformation and
Pyuck-Pa Choi, Christine Borchers, D Raabe   +2 more
exaly   +2 more sources

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Cementite-iron nanocomposite

Nanostructured Materials, 1997
Nanocomposites Fe-85 vol.% Fe3C were prepared by mechanosynthesis (MS) of elemental Fe and graphite powders. The crystallite size in the MS powder was about 7 nm for Fe3C and about 8 nm for Fe. These powders were densified by a field assisted sintering process.
T. J. GOODWIN, S. H. YOO, MATTEAZZI, Paolo, J. R. GROZA   +3 more
openaire   +2 more sources

Kinetics of cementite mechanosynthesis

Hyperfine Interactions, 1992
The influence of ball to powder ratio and discontinous milling during ball milling of Fe0.75C0.25 elemental powder mixture is presented. The formation of Fe3C cementite, Hagg and e carbides has been follwed by X-ray diffraction and Mossbauer Spectroscopy. Higher ball to powder ratios induce faster kinetics. Synthesized cementite has crystallite sizes 9
P. MATTEAZZI P., MIANI, Fabio, LE CAER G.   +2 more
openaire   +2 more sources

The oxidation of cementite

Corrosion Science, 1974
Abstract The progressive changes in texture which occur during the oxidation of two different preparations of cementite (A and B) have been investigated by electron microscopy. Changes in surface texture observed during the reaction of cementite A with gaseous oxygen were ascribed to the initial formation of a coherent barrier layer of Fe3O4, the ...
A.K. Galwey, D.M. Jamieson, B.R. Wheeler, R. Reed   +3 more
openaire   +1 more source