The impact properties of laminated composites containing ultrahigh carbon (UHC) steels

Kum, Dong Wha; Oyama, T.; Wadsworth, J.; Sherby, O. D.

doi:10.1016/0022-5096(83)90049-2

Cited by 97 publications

(48 citation statements)

References 9 publications

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“…18 for a UHCS/mild steel laminate. [56] The results are for Charpy V-notch impact tests on a laminated composite of UHCS/mild steel, in the crack arrester orientation. Also shown in the figure are the results of Charpy V-notch impact tests on the monolithic UHCS and the monolithic mild steel.…”

Section: Manufacturing Of Modern Laminated Metalmentioning

confidence: 99%

“…Extensive delamination occurs in (top) as-rolled (weak interfaces) condition, but is absent in (bottom) heat-treated (strong interfaces) condition. [56] To test this hypothesis, an 8-layer laminate of UHCS was prepared. The transition temperature (~ -150°C) and the upper shelf energy (>325J) were found to be the same for the two laminated materials.…”

Section: Manufacturing Of Modern Laminated Metalmentioning

confidence: 99%

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Ancient and modern laminated composites — from the Great Pyramid of Gizeh to Y2K

Wadsworth

Lesuer

2000

Materials Characterization

128

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Section: Manufacturing Of Modern Laminated Metalmentioning

confidence: 99%

Section: Manufacturing Of Modern Laminated Metalmentioning

confidence: 99%

Ancient and modern laminated composites — from the Great Pyramid of Gizeh to Y2K

Wadsworth

Lesuer

2000

Materials Characterization

128

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“…The crack-arrester type [17][18][19] shown in figure 2(a) is normally referred to as a lamella fracture, and it is widely reported in the literature as a method for enhancing toughness. Kum et al [20] reported an extremely low ductile-to-brittle transition temperature of 133 K and very high upper shelf energy of over 325 J in laminated composites containing ultrahigh-carbon steels. This excellent toughness has been related to crack branching as a result of delamination at the weak interface shown in figure 2(a).…”

Section: Introductionmentioning

confidence: 99%

Shape effect of ultrafine-grained structure on static fracture toughness in low-alloy steel

Inoue

Kimura

Ochiai

2012

Science and Technology of Advanced Materials

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A 0.4C-2Si-1Cr-1Mo steel with an ultrafine elongated grain (UFEG) structure and an ultrafine equiaxed grain (UFG) structure was fabricated by multipass caliber rolling at 773 K and subsequent annealing at 973 K. A static three-point bending test was conducted at ambient temperature and at 77 K. The strength-toughness balance of the developed steels was markedly better than that of conventionally quenched and tempered steel with a martensitic structure. In particular, the static fracture toughness of the UFEG steel, having a yield strength of 1.86 GPa at ambient temperature, was improved by more than 40 times compared with conventional steel having a yield strength of 1.51 GPa. Furthermore, even at 77 K, the fracture toughness of the UFEG steel was about eight times higher than that of the conventional and UFG steels, despite the high strength of the UFEG steel (2.26 GPa). The UFG steel exhibited brittle fracture behavior at 77 K, as did the conventional steel, and no dimple structure was observed on the fracture surface. Therefore, it is difficult to improve the low-temperature toughness of the UFG steel by grain refinement only. The shape of crystal grains plays an important role in delamination toughening, as do their refinement and orientation.

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“…La unión por laminación induce una deformación plástica al material que hace posible una buena unión de las intercaras y además afina la microestructura, reduciendo el tamaño de grano y globulizando carburos. Estudios previos han demostrado que los compuestos laminados conteniendo aceros de ultraalto contenido de carbono, (AUAC) pueden alcanzar una resistencia al impacto mucho más elevada que la de sus materiales constituyentes (2,(5)(6)(7).…”

Section: Introductionunclassified

Comparación de la microestructura y propiedades de impacto de dos materiales compuestos laminados de acero de ultraalto contenido de carbono

Pozuelo¹,

Carreño²,

Ruano³

2004

Bol. Soc. Esp. Ceram. Vidr.

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Se procesaron mediante laminación en caliente dos materiales compuestos laminados de acero de ultraalto contenido de carbono (AUAC, 1,3%C) de seis capas cada uno: El primero está compuesto por tres capas de AUAC alternadas con tres capas de un acero microaleado, y el segundo con tres del mismo AUAC alternadas con tres de un acero suave. Se ha realizado un estudio de sus microestructuras, dureza Vickers y propiedades de impacto. Se han mejorado los valores de energía absorbida de los dos materiales compuestos laminados respecto al del AUAC. Palabras clave: Compuestos laminados, acero de ultraalto contenido de carbono, impacto Charpy. Microstructure and impact properties comparison of two ultrahigh carbon steel laminated compositesTwo ferrous laminated composites containing six layers have been processed by roll bonding. One of them consists of three layers of an ultrahigh carbon steel (1.3%C UHCS) interlayered with other three layers of a microalloyed steel. The other composite consists of three layers of UHCS and three layers of a mild steel. Microstructure, Vickers hardness and impact properties have been studied. The absorbed energy values of the two laminated composites were higher than that of the UHCS.

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The impact properties of laminated composites containing ultrahigh carbon (UHC) steels

Cited by 97 publications

References 9 publications

Ancient and modern laminated composites — from the Great Pyramid of Gizeh to Y2K

Ancient and modern laminated composites — from the Great Pyramid of Gizeh to Y2K

Shape effect of ultrafine-grained structure on static fracture toughness in low-alloy steel

Comparación de la microestructura y propiedades de impacto de dos materiales compuestos laminados de acero de ultraalto contenido de carbono

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