Deformation and fracture of metal matrix particulate composites under combined loadings

Rees, D.

doi:10.1016/s1359-835x(97)00050-x

Cited by 27 publications

(10 citation statements)

References 6 publications

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“…This is attributed to: the transfer of stress from the matrix to the reinforcements, the difference in texture between the composite matrix and the matrix material without reinforcement, the reduction in composite grain size, and the generation of a high dislocation density in the matrix as a result of the difference in thermal expansion between the metal matrix and the reinforcement [26][27][28]. Load transfer is the major mechanism affecting the strength of the composite; the other mechanisms are very small.…”

Section: Compressive Propertiesmentioning

confidence: 99%

Fabrication, microstructure and compressive behavior of ZC63 Mg–microballoon foam composites

Daoud

El-Khair

Abdelaziz

et al. 2007

Composites Science and Technology

108

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Section: Compressive Propertiesmentioning

confidence: 99%

Fabrication, microstructure and compressive behavior of ZC63 Mg–microballoon foam composites

Daoud

El-Khair

Abdelaziz

et al. 2007

Composites Science and Technology

108

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“…Namely, matrix grain size is reduced by particles acting as nucleation sites during solidification. Also, grain size is smaller due to formation of subgrains after dislocation rearrangement into boundaries within the grain (Rees, 1998). These subgrains are formed in grains with high dislocation density surrounding a SiC particle.…”

Section: Influence Of the Reinforcing Phase On Mechanical And Fracturmentioning

confidence: 99%

Synthesis and Properties of Discontinouosly Reinforced Aluminum Matrix Composites

Božić¹,

Dimčić²

2011

Nanocomposites With Unique Properties and Applications in Medicine and Industry

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Due to the very high performance requests, a new type of, so called, "high tech" materials which are used in aircraft, rocket or automobile industry, need to have a good combination of properties under static and dynamic loading. One group of materials that can meet such requirements are metallic composites which consist of the metallic matrix (metal or alloy) reinforced whit whiskers or directionally oriented fibers of secondary phase. Currently, there are many different composite materials available, enabling one to easily select the most suitable combination of metallic matrix and reinforcing phase, depending on the uniquely defined application requests. By selecting proper type of matrix and suitable chemical composition, shape and the amount of reinforcing phase, many composites with different mechanical properties can be produced. Potential application of such materials is very wide, but the limiting factor is still their quite high price due to the complexity of their production. In the last two decades there was an intense development of one class of composites with aluminum alloy matrix best known as the discontinuously reinforced aluminum materials (DRA). These materials consist of aluminum alloy matrix reinforced by ceramic particles. Although, DRA composites can be produced in many ways, powder metallurgy technique offers the best results. This article presents results of both fundamental and development studies of sintered composite materials with the Al-Zn-Mg-Cu matrix and the SiC reinforcing phase, conducted in last couple of years. As this is the composite which is already commercially applied or on the verge of being applied, all gathered results are thoroughly analyzed from the aspects of its synthesis, microstructure and several mechanical and fracture properties.

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“…Evidence of strength in the specimen after von Mises yield curve suggests that the load carrying capacity of the AlSiC MMC material is substantially increased by the strengthening effect of the silicon carbide particle reinforcements. The improved strength of an MMC is controlled by the size and spacing of the silicon carbide particles, the matrix grain size, dislocation density, the strain hardening behaviour and the load transfer [10].…”

Section: Constant Axial Displacement Testmentioning

confidence: 99%

Elastic–plastic behaviour of an AlSiC MMC rod under combined tension and torsion loading

Padmanabhan

Donald

Hashmi

2004

Journal of Materials Processing Technology

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Deformation and fracture of metal matrix particulate composites under combined loadings

Cited by 27 publications

References 6 publications

Fabrication, microstructure and compressive behavior of ZC63 Mg–microballoon foam composites

Fabrication, microstructure and compressive behavior of ZC63 Mg–microballoon foam composites

Synthesis and Properties of Discontinouosly Reinforced Aluminum Matrix Composites

Elastic–plastic behaviour of an AlSiC MMC rod under combined tension and torsion loading

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