Dry sliding wear of Al/Saffil/C hybrid metal matrix composites

Naplocha, K.; Granat, K.

doi:10.1016/j.wear.2008.04.006

Cited by 34 publications

(23 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…10 and 11). These results indicated that the carbon bers formed a solid lubricant lm on the worn surfaces thus preventing seizure of the matrix with the counterpart, as previously reported regarding the wear behavior of the aluminum composite reinforced with the PANbased carbon ber, graphite ber and graphite ake [5][6][7]9,10) . Due to the microscopic roughness, the direct contact area on the contact face between the pin (aluminum) and disk (counterpart) specimens would be limited.…”

Section: Effects Of Ber-reinforcement On Wear Behaviorsupporting

confidence: 84%

“…This would be why the elastic modulus of the pitch-basedber composite was lower than that of the PAN-based ber composite. Naplocha et al 9) reported that the wear resistance of the graphite ber-reinforced aluminum composite was better than that of the graphite ake-reinforced composite, because the weak layers of the matrix near the worn surface easily broke and delaminated for the composite with the graphite ake. This result indicates that the ber-reinforcement restricts the plastic ow or delamination of the surface layer.…”

Section: Effects Of Ber-reinforcement On Wear Behaviormentioning

confidence: 99%

“…Liu et al 7,8) investigated the wear behavior of the aluminum alloy composites reinforced with the PAN-based short carbon ber. Investigations of the wear behavior of hybrid aluminum alloy composites reinforced with the alumina ber and graphite ber (or ake) 9) and those reinforced with SiC particles and PAN-based carbon ber 10) have also been reported. Based on these investigations, no research has been found regarding the wear behavior of the aluminum alloy composites reinforced with the pitch-based carbon bers.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Wear Behavior of PAN- and Pitch-Based Carbon Fiber Reinforced Aluminum Alloy Composites under Dry Sliding Condition

Asano

Zainuddin

2017

Mater. Trans.

View full text Add to dashboard Cite

The effects of carbon ber-reinforcement on the wear behavior of aluminum alloy under a dry sliding conditions have been investigated. Two kinds of carbon bers, PAN-based and pitch-based short carbon bers, were used as the reinforcements. The composites were fabricated by squeeze casting, and wear testing was carried out using the pin-on-disk method. The wear loss of the alloy and counterpart decreased due to the ber-reinforcement. The change in the coef cient of friction during the wear test and the scatter in the roughness of the worn surface also decreased by the reinforcement. Examination of the worn surfaces and temperature change of the specimens during the wear revealed that these results were mainly attributed to the crumbled bers forming a solid lubricant lm on the worn surfaces thus preventing seizure of the matrix with the counterpart. Under a high load and sliding speed, the wear loss of the pitch-based ber composite was lower than that of the PAN-based ber one. The examination described above revealed that the improvement in the wear and seizure resistance was mainly attributed to the higher thermal conductivity of the pitch-based ber composite.

show abstract

Section: Effects Of Ber-reinforcement On Wear Behaviorsupporting

confidence: 84%

Section: Effects Of Ber-reinforcement On Wear Behaviormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Wear Behavior of PAN- and Pitch-Based Carbon Fiber Reinforced Aluminum Alloy Composites under Dry Sliding Condition

Asano

Zainuddin

2017

Mater. Trans.

View full text Add to dashboard Cite

show abstract

“…In Fig. 4 it is revealed that the experimental density of the sintered Al-12Si-xZrC nano-composites was reduced due to the cluster of ZrC particles and pores existing in the green preform during Al-12Si-xZrC nanocomposites for various compositions using the rule of mixtures [12]. The relative density after sintering was around 92% and it reveals that the porosity of the composites has reduced by up to 8%.…”

Section: Density Measurementsmentioning

confidence: 92%

“…These aspects help in providing higher control over the coefficient of friction in the Al-12Si-xZrC nanocomposites [15]. For all the Al-12Si-xZrC nanocomposite samples the coefficient of friction increased with an increase in load and sliding distance [12][13][14]. Figure 7 shows the weight loss as a function of load and sliding distance.…”

Section: Hardness Measurementsmentioning

confidence: 99%

Tribological behavior, mechanical properties and microstructure of Al-12Si-ZrC composite prepared by powder metallurgy

John¹,

Paul²,

Singh³

et al. 2017

Bulletin of the Polish Academy of Sciences Technical Sciences

View full text Add to dashboard Cite

Abstract. High-energy mechanical alloying method was used to prepare Al-12Si-xZrC (x = 0, 5, 10, 15 wt. %) nanocomposites. Cylindrical preforms were prepared with an initial preform density of 89% by using a suitable die and punch assembly. The preforms were sintered in a muffle furnace with an inert gas atmosphere at a temperature of 550°C, followed by cooling until room temperature has been attained. Scanning electron microscope (SEM) and X-ray diffraction (XRD) techniques were used to characterize the composites. Pin-on-disc wear testing machine was used to determine the tribological properties of the prepared composites. The results show that the wear loss reduced with increasing the reinforcement content and coefficient of friction increases gradually. Normally, solid state methods are used to produce composites with high mechanical properties, because these methods deliver a uniform distribution of reinforcing phase particle in the matrix material [6][7][8][9][10]. Some trials were conducted to fabricate Al-12Si-xZrC nanocomposites using different techniques, but the mechanical alloying method is a suitable technique to fabricate Al-12Si-xZrC nanocomposites. No attempt has been made to fabricate Al matrix composites reinforced with ZrC particles using the P/M method. In this present paper, an effort is made to study the outcome of wear behavior of Al-12Si-xZrC nanocomposites prepared with the mechanical alloying method. These composites were characterized using SEM and XRD. The wear behavior was calculated using the weight loss method. The worn surfaces and wear debris were characterized using SEM. Experimental procedure2.1. Materials. Aluminium and silicon with 99.5% purity and particle size of 44 µm were purchased from Metal Powder Company Limited, Thirumangalam, Tamilnadu, India, and the ZrC powder with a high, 99.9% purity and particle size of 400 nm was purchased from US Research Nanomaterials, Inc., USA. The individual powders were pulverized and mixed in a high-energy ball mill with ball-to-powder weight ratio of 20:1. The milling was done at a constant speed of 300 rpm in a wet medium with a presence of toluene to avoid oxidation and agglomeration. Scanning electron microscope images were used for the analysis of mixed powder particles. Fig. 1 shows the received powders of aluminium, silicon, and zirconium carbide. From the SEM images, it can be visualized that aluminium was spherical in shape, silicon was flattened and nano-zirconium carbide had a cubic crystal shape.

show abstract

Raman spectroscopy study of graphene formed by “in situ” chemical interaction of an organic precursor with a molten aluminium matrix

Yolshina

Вовкотруб

Shatunova

et al. 2019

J Raman Spectroscopy

View full text Add to dashboard Cite

A study of graphene “in situ” formed during the chemical interaction of glucose with molten aluminium under a layer of molten alkaline halides in air at temperatures of 750–850°C is presented. By means of Raman and X‐ray photoelectron spectroscopy and electron microscopy, it is shown that graphene films synthesize in the aluminium. The number and defectiveness of graphene layers inside aluminium matrix depends on synthesis temperature– at 750°C two‐layer graphene and at 850°C three‐layer graphene form. The most defective graphene films synthesized at 750°C with the formation of five‐ and seven‐membered rings in plane of the graphene grid; the number of defects of graphene films is less for composite obtained at higher temperature. The evaluated defectiveness of graphene not exceed 14%; it evidences the formation of perfect graphene in aluminium matrix. The compressive stress value is the smallest for the sample obtained at 750°C and increases with temperature and plastic deformation because of differences in the crystal lattice parameters and their thermal expansion coefficients of aluminium and graphene. This fact explains the relation of defects number in graphene with temperature and plastic deformation. No aluminium carbide and graphene oxide were formed during synthesis inside aluminium matrix because of formation of defect‐free perfect graphene with high chemical stability. The absence of aluminium carbide was proven by means Raman spectroscopy, X‐ray photoelectron, transmission electron microscopy, and corrosion test with distilled water. It allows to propose aluminium‐graphene composites for numerous practical applications as a constructive material.

show abstract

Dry sliding wear of Al/Saffil/C hybrid metal matrix composites

Cited by 34 publications

References 22 publications

Wear Behavior of PAN- and Pitch-Based Carbon Fiber Reinforced Aluminum Alloy Composites under Dry Sliding Condition

Wear Behavior of PAN- and Pitch-Based Carbon Fiber Reinforced Aluminum Alloy Composites under Dry Sliding Condition

Tribological behavior, mechanical properties and microstructure of Al-12Si-ZrC composite prepared by powder metallurgy

Raman spectroscopy study of graphene formed by “in situ” chemical interaction of an organic precursor with a molten aluminium matrix

Contact Info

Product

Resources

About