Tensile and bending behaviors and characteristics of laminated Ti-(TiBw/Ti) composites with different interface status

Liu, B.X.; Huang, Lujun; Kaveendran, B.; Li, Geng; Cui, Xiping; Wei, Song; Yin, Fuxing

doi:10.1016/j.compositesb.2016.10.001

Cited by 64 publications

(26 citation statements)

References 39 publications

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“…The dimensions of the rectangular beams (ie, length × width × height) for the bending strength and apparent fracture toughness tests were 25 mm × 4 mm × 3.5 mm and 25 mm × 1.8 mm × 3.5 mm, respectively. The bending strength was measured by the three‐point bending tests with a span of 20 mm and a cross‐head rate of 0.5 mm min −1 at room temperature according to ISO 14704:2008(E) standard, while the apparent toughness was determined by the three‐point bending tests with a span of 14 mm and a cross‐head speed of 0.05 mm min −1 referring to the single‐edge notched beam (SENB) method . Note that the preliminary notch of 1.75 mm length was cut by a 0.20 mm thick diamond disk and then was sharpened with a razor blade sprinkled with fine diamond paste .…”

Section: Experimental Methodsmentioning

confidence: 99%

Enhanced thermal shock response of Al₂O₃–graphite composites through a layered architectural design

et al. 2018

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The use of ceramics such as alumina in moving components often requires the addition of low friction materials such as graphite. A new strategy for improving toughness, strength, and thermal‐shock resistance of Al2O3–graphite self‐lubricating composites was proposed in this study. Alumina layers embedded between Al2O3–graphite layers were fabricated and tested after thermal shock conditions ranging between 500 °C and 800 °C maximum temperature. Retained strength and apparent fracture toughness after the tests were compared to room temperature values. Results show that compressive residual stresses generated in the outer Al2O3–graphite layers during cooling down from sintering improve the failure resistance of the materials. The introduction of heat‐resistant particles (Al2O3 particles) into graphite layers combined with a layered architecture can greatly decrease the oxidation degradation of the materials below 500 °C. In addition, the retained strength and toughness in the layered architectures after thermal shock between 550 °C and 800 °C remains constant, thus indicating that the new‐developed Al2O3/Al2O3–graphite laminated composites may be reliable candidates for self–lubricating applications also for elevated temperatures.

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Section: Experimental Methodsmentioning

confidence: 99%

Enhanced thermal shock response of Al₂O₃–graphite composites through a layered architectural design

et al. 2018

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“…Therefore, shear fracture failure is always located at the decarburized layer as shown in Figure 8b. Liu et al [104][105][106] used the hot pressing to join and pin the interface by reacted TiB whisker between Ti and TiB 2 , and the interface bonding strength is higher than that of the soft layer. The interface alloy elements' diffusion is decreased, while the fracture elongation is increased by adding the Ni interlayer.…”

Section: Interface Structurementioning

confidence: 99%

“…The interface microstructure and fracture characteristics of different laminated metal composites. (a,b) stainless steel clad plate, adapted from[100][101][102][103], with permission from publisher: Elsevier, 2019; (c,d) laminated Ti-TiBw/Ti composites, adapted from[104][105][106]111], with permission from publisher: Elsevier, 2019; (e,f) laminated Ti-Ti 3 Al composites, adapted from[112], with permission from publisher: Elsevier, 2019.…”

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The Deformation Characteristics, Fracture Behavior and Strengthening-Toughening Mechanisms of Laminated Metal Composites: A Review

Gao

Zhang

Liu

et al. 2019

Metals

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Multilayer metal composites have great application prospects in automobiles, ships, aircraft and other manufacturing industries, which reveal their superior strength, toughness, ductility, fatigue lifetime, superplasticity and formability. This paper presents the various mechanical properties, deformation characteristics and strengthening–toughening mechanisms of laminated metal matrix composites during the loading and deformation process, and that super-high mechanical properties can be obtained by adjusting the fabrication process and structure parameters. In the macroscale, the interface bonding status and layer thickness can effectively affect the fracture, impact toughness and tensile fracture elongation of laminated metal matrix composites, and the ductility and toughness cannot be fitting to the rule of mixture (ROM). However, the elastic properties, yield strength and ultimate strength basically follow the rule of mixture. In the microscale, the mechanical properties, deformation characteristics, fracture behavior and toughening mechanisms of laminated composites reveal the obvious size effect.

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“…In the laminated Ti-TiBw/Ti systems, Liu et al reported [47,[83][84][85][86][87] that the formation and number of tunnel crack are also related to interfacial bonding strength and residual stress, and the ductile Ti layer exhibits ductile-brittle transition at the tunnel crack with the decreasing Ti layer thickness and the increasing volume fraction of TiB reinforcement, which is attributed to that the plastic deformation of thin Ti layer is constrained by TiBw/Ti layer, resulting in high triaxial tensile stress at the tunnel crack. Therefore, the laminated composites with thin Ti layer thickness reveal brittle fracture characteristics.…”

Section: Tunnel Crackmentioning

confidence: 99%

Multiscale Hierarchical Structure and Laminated Strengthening and Toughening Mechanisms

Liu¹,

Huang²,

Li³

et al. 2018

Lamination - Theory and Application

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Metal matrix composites with multiscale hierarchical structure and laminated structure have been developed to provide a novel route to achieve high strength, toughness and ductility. In this chapter, a lot of scientific research has been carried out in the preparation, processing, properties and application of metal matrix composite. Many toughening mechanisms and fracture behavior of composites with multiscale hierarchical structure and laminated structure are overviewed. It is revealed that elastic property and yield strength of laminated composites follow the "rule of average." However, the estimation of fracture elongation and fracture toughness is complex, which is inconsistent with the "rule of average." The fracture elongation of laminated composites is related to the layer thickness size, interface, gradient structure, strain hardening exponent, strain rate parameter and tunnel crack, which are accompanied with crack deflection, crack blunting, crack bridging, stress redistribution, local stress deformation, interfacial delamination crack and so on. The concept of laminated composites can be extended by applying different combination of individual layer, and provides theoretical as well as experimental fundamentals on strengthening and toughening of metal matrix composites.

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Tensile and bending behaviors and characteristics of laminated Ti-(TiBw/Ti) composites with different interface status

Cited by 64 publications

References 39 publications

Enhanced thermal shock response of Al₂O₃–graphite composites through a layered architectural design

Enhanced thermal shock response of Al₂O₃–graphite composites through a layered architectural design

The Deformation Characteristics, Fracture Behavior and Strengthening-Toughening Mechanisms of Laminated Metal Composites: A Review

Multiscale Hierarchical Structure and Laminated Strengthening and Toughening Mechanisms

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Tensile and bending behaviors and characteristics of laminated Ti-(TiBw/Ti) composites with different interface status

Cited by 64 publications

References 39 publications

Enhanced thermal shock response of Al2O3–graphite composites through a layered architectural design

Enhanced thermal shock response of Al2O3–graphite composites through a layered architectural design

The Deformation Characteristics, Fracture Behavior and Strengthening-Toughening Mechanisms of Laminated Metal Composites: A Review

Multiscale Hierarchical Structure and Laminated Strengthening and Toughening Mechanisms

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Enhanced thermal shock response of Al₂O₃–graphite composites through a layered architectural design

Enhanced thermal shock response of Al₂O₃–graphite composites through a layered architectural design