Further investigation on the tribological behavior of Cu-20% Nb in situ composite

Liu, P.; Bahadur, S.; Verhoeven, J. D.

doi:10.1016/0043-1648(93)90503-e

Cited by 20 publications

(2 citation statements)

References 12 publications

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“…The presence of CuO and SnO with wear debris was confirmed by an energy dispersive spectrum (EDS) during SEM studies (Figure 11). The formation of CuO during sliding had also been reported [25]. The formation of this surface film also contributed to the reduction in the wear rate with increase in sliding distance [26].…”

Section: Sem Studies On Wear Surfacesmentioning

confidence: 64%

Dry Sliding Wear of a Powder Metallurgy Copper-based Metal Matrix Composite Reinforced with Iron Aluminide Intermetallic Particles

Venkateswaran

Kamaraj

Rao

2007

Journal of Composite Materials

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In the present study, dry sliding wear behavior of a powder metallurgy copper alloy matrix composite containing iron aluminide (Fe3Al) intermetallic particles was investigated using a pin-on-disk machine. A sintered copper alloy (Cu—90%, Sn—10%) was used as matrix. Reinforcement Fe3Al particles were prepared by mechanical alloying (42 h) and used as reinforcement (10 and 20 vol%) in the matrix. The processing of the composites included mixing and cold compaction followed by sintering at 850 °C. The influence of Fe3Al additions on the dry sliding wear behavior was studied at loads of 20 and 40 N at sliding distances of 2160, 3240, 4320, and 6480 m. The study showed that the composite exhibited lower wear rate than that of the matrix and the wear rate was influenced by the volume percentage of Fe3Al particles. It is understood that iron aluminide particle reinforcement has a beneficial effect on the wear properties by providing better support to the matrix. The wear mechanisms could be interpreted with scanning electron microscopy (SEM) examination of the worn surfaces.

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Section: Sem Studies On Wear Surfacesmentioning

confidence: 64%

Dry Sliding Wear of a Powder Metallurgy Copper-based Metal Matrix Composite Reinforced with Iron Aluminide Intermetallic Particles

Venkateswaran

Kamaraj

Rao

2007

Journal of Composite Materials

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“…Kannan et al (2006) observed that the abrasive reinforcements in the metal matrix composites caused rapid tool wear and the results from machining metal matrix composites with conventional tools showed that the main mechanism of tool wear was abrasion. Liu et al (1993) conducted wear studies on Cu-20% Nb composites and found that Nb filaments underwent re-orientation, shearing and refinement. Wang et al (2001) studied the thermal shock behavior of alumina based ceramic matrix composite containing 5 vol.% of copper particles and found that the thermal conductivity, fracture toughness and resistance to thermal shock increased when compared with monolithic alumina.…”

Section: Introductionmentioning

confidence: 98%

Machinability of bronze–alumina composite with tungsten carbide cutting tool insert

Sornakumar

Kumar²

2008

Journal of Materials Processing Technology

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Sliding wear behavior and microstructure change of deformation-processed Cu-20vol.%Nb in situ composite

Chen

Liu

Verhoeven

et al. 1995

Wear

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Further investigation on the tribological behavior of Cu-20% Nb in situ composite

Cited by 20 publications

References 12 publications

Dry Sliding Wear of a Powder Metallurgy Copper-based Metal Matrix Composite Reinforced with Iron Aluminide Intermetallic Particles

Dry Sliding Wear of a Powder Metallurgy Copper-based Metal Matrix Composite Reinforced with Iron Aluminide Intermetallic Particles

Machinability of bronze–alumina composite with tungsten carbide cutting tool insert

Sliding wear behavior and microstructure change of deformation-processed Cu-20vol.%Nb in situ composite

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