Tensile and fatigue fracture behavior and water-environment effects in a SiC-whisker/7075-aluminum composite

Komai, Kenjiro; Minoshima, Kohji; Ryoson, Hiroyuki

doi:10.1016/0266-3538(93)90081-q

Cited by 62 publications

(20 citation statements)

References 8 publications

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“…The morphology of the particles is believed to be controlled by the structure of grain boundaries. In fact, some investigators [8,11] have observed separate plate-like precipitates at low-angle and tilt boundaries, and have noted particles at twist boundaries to appear as long laths. Fig.…”

Section: Microstructurementioning

confidence: 98%

Hardening mechanisms of spray formed Al–Zn–Mg–Cu alloys with scandium and other elemental additions

Sharma

Amateau

Eden

2006

Journal of Alloys and Compounds

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Section: Microstructurementioning

confidence: 98%

Hardening mechanisms of spray formed Al–Zn–Mg–Cu alloys with scandium and other elemental additions

Sharma

Amateau

Eden

2006

Journal of Alloys and Compounds

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“…It was found that the composites with reinforcement of 30 % (15 % SiC and 15% alumina) have higher hardness and tensile strength than the unreinforced base alloy. K. Komai et al 16 investigated the tensile and fatigue fracture behaviour of Al7075/SiC composites. They reported that the mechanical properties of Al7075/SiC composites were superior to the unreinforced alloy.…”

Section: Introductionmentioning

confidence: 99%

Effect of particles size on the mechanical properties of SiC-reinforced aluminium 8011 composites

Ashok¹,

Palanisamy²

2017

Mater. Tehnol.

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The effects of the SiC particle size on the mechanical properties of aluminium 8011-SiC composites are reported. Three different particle sizes of SiC (63, 76, 89) μm with two different mass fractions of 2 % and 4 % reinforced with aluminium 8011 were processed using the stir-casting method. The mechanical properties, like hardness, tensile strength, yield strength, ductility, and toughness, of the composites and the unreinforced alloy were tested. It was observed that the hardness, tensile strength, yield strength, ductility, and toughness increase with a decrease in the particle size of the SiC. The increase in weight fraction of the SiC improves all the mechanical properties, except for the ductility and toughness of the composites. The results reveal that the fine 63 μm (220 mesh) SiC particles introduced superior mechanical properties compared to the intermediate 76 μm (180 mesh) SiC particles and the coarse 89 μm (150 mesh) SiC. Keywords: composites, particle size, stir casting method, weight fractions, mechanical properties Delo poro~a o u~inkih velikosti delcev SiC na mehanske lastnosti aluminijevih 8011 kompozitov. Tri razli~ne velikosti delcev SiC (63, 76, 89) μm z dvema razli~nima dele`ema te`e (2 in 4) %, oja~ane z aluminijem 8011, so bile obdelane z metodo me{anja in litja. Testirane so bile mehanske lastnosti, kot so: trdota, natezna trdnost, meja te~enja, duktilnost in`ilavost kompozitov in neoja~ane zlitine. Ugotovljeno je bilo, da se trdota, natezna trdnost, meja te~enja, duktilnost in`ilavost pove~ajo z zmanj{anjem velikosti delcev SiC. Pove~anje dele`a masnega odstotka SiC izbolj{uje vse mehanske lastnosti razen razteznosti in`ilavosti kompozitov. Rezultati ka`ejo, da drobni 63 μm (220 mesh) SiC delci poka`ejo nadpovpre~ne mehanske lastnosti v primerjavi z vmesnim 76 μm (180 mesh) SiC delci in grobimi 89 μm (150 mesh) SiC. Klju~ne besede: kompoziti, velikost delcev, metoda me{anja in litja, masni dele`i, mehanske lastnosti

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“…The mechanical, hardness and sliding wear resistance properties of heat treatment and forming composites were improved by adding SiC [15]. The superior mechanical properties were obtained with AA7075-SiC composites [16][17]. The densities of AA7075-Al 2 O 3 composite are improved [18].…”

Section: Introductionmentioning

confidence: 99%

Tribological properties of Aluminium Metal Matrix Composites (AA7075 Reinforced with Titanium Carbide (TiC) Particles)

Rao¹,

Ramanaiah²,

Sarcar³

2016

IJAST

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Tensile and fatigue fracture behavior and water-environment effects in a SiC-whisker/7075-aluminum composite

Cited by 62 publications

References 8 publications

Hardening mechanisms of spray formed Al–Zn–Mg–Cu alloys with scandium and other elemental additions

Hardening mechanisms of spray formed Al–Zn–Mg–Cu alloys with scandium and other elemental additions

Effect of particles size on the mechanical properties of SiC-reinforced aluminium 8011 composites

Tribological properties of Aluminium Metal Matrix Composites (AA7075 Reinforced with Titanium Carbide (TiC) Particles)

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