Anti-friction properties of Cu10Sn-based composite containing nanometer diamond particles

Xiang, Yingwei; Zhang, Jinyuan; Jin, Changqing; Liu, Yinghua

doi:10.1016/s0043-1648(00)00414-2

Cited by 18 publications

(12 citation statements)

References 4 publications

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“…According to Xiang et al, spherical-shaped particulate debris could reduce friction by the rolling between sliding surfaces. 12) On the other hand, the smaller quantitiy of such lubricative ''rollers'' on C20 surface led to its higher friction coefficient. Despite more film debris on its surface, the worn surface of C20 was much rougher than that of C0 and C10 (Table 4).…”

Section: Resultsmentioning

confidence: 99%

“…1,11) The transfer material tends to be patchy (seldom uniform). 2,9,12,13) Transfer can lead to low friction/ low wear or high friction/high wear, and can be responsible for sudden tribological transitions. 2,8,[14][15][16] The sintering of iron or copper-iron based materials was 2,4,14,[17][18][19] Instead of using vacuum or inert atmosphere, the present Cu-Fe-C based friction materials were sintered at lower temperatures in an ordinary air furnace as a costeffective way.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Graphite Content on the Tribological Behavior of a Cu-Fe-C Based Friction Material Sliding against FC30 Cast Iron

Chen

Lin

2003

Mater. Trans.

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Focus of the study has been placed on the effect of graphite content on tribological behavior of a Cu-Fe-C based friction material sliding against FC30 cast iron. Experimental results indicated that, after sintering in air, the densities of Cu-Fe-C specimens decreased, oxygen contents increased, and essentially all original metallic constituents turned into oxides. As graphite content increased, the amounts of Fe 2 O 3 , Cu 2 O and Cu-Sn decreased, while CuO and FeSn 2 contents increased. The friction coefficient profiles of Cu-10%Steel wool-10%Al-10%Al 2 O 3 -10%Sn (vol%) material (C0) and Cu-10%Steel wool-10%C-10%Al-10%Al 2 O 3 -10%Sn (vol%) material (C10) are almost identical. After sliding for a few minutes, their friction coefficients start to decay. The friction coefficient of Cu-10%Steel wool-20%C-10%Al-10%Al 2 O 3 -10%Sn (vol%) material (C20) maintained to be high and stable throughout tests. The mass loss of C20 was larger than that of C0 or C10. The mass loss of FC30 sliding against C20 was smaller than that of FC30 sliding against C0 or C10. While both particulate and film types of debris were observed on each Cu-Fe-C specimen, more particulate debris was observed on C0 and C10 than on C20 surface. Chemical analysis of worn surfaces indicated that Fe was dominant on C0 and C10 surfaces, while large amounts of Fe and Cu were detected on the worn surfaces of both C20 and FC30.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Graphite Content on the Tribological Behavior of a Cu-Fe-C Based Friction Material Sliding against FC30 Cast Iron

Chen

Lin

2003

Mater. Trans.

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“…9d. The back transfer of the contact surface from the ball to the sample surface produces the smearing while the ploughing action of the hard particles and the wear particles formed during sliding produce the scratched area [37].…”

Section: Worn Surfaces Characterizationmentioning

confidence: 99%

Effect of nanosilica additive particles on both friction and wear performance of mild steel/CuSn/SnBi multimaterial system

Ait-Sadi

Hemmouche

Hattali

et al. 2015

Tribology International

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is an open access repository that collects the work of Arts et Métiers ParisTech researchers and makes it freely available over the web where possible. This paper presents an experimental study of the tribological behaviour of a multimaterial system using conventional powder metallurgy process with SiO 2 nanoparticles. Four configurations were studied with and without SiO 2 . The tribological properties of the sintered materials were analysed by wear experiments at lubricated conditions on a ball disc wear test rig. The results are compared with those of conventional material for journal bearing. These show less variation of the friction coefficient and less wear rate for the materials with SiO 2 compared to the ones without SiO 2 and to those of the reference material. The dominant wear mechanism is adhesive wear, accompanied by mild abrasive wear.

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“…There are some reports that the transfer can go in either direction, although transfer in one direction may dominate. 1,16) The transfer material tends to be patchy (seldom uniform). 2,[15][16][17] The transfer can lead to low friction/low wear or high friction/high wear.…”

Section: Introductionmentioning

confidence: 99%

“…1,16) The transfer material tends to be patchy (seldom uniform). 2,[15][16][17] The transfer can lead to low friction/low wear or high friction/high wear. 2,13,[18][19][20] In other words, it can be beneficial or harmful.…”

Section: Introductionmentioning

confidence: 99%

Effect of Aluminum Content on Tribological Behavior of a Cu-Fe-C Based Friction Material Sliding against FC30 Cast Iron

Chen

Lin

2003

Mater. Trans.

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An experimental study was made on the effect of aluminum content on the tribological behavior of a Cu-Fe-C based friction material sliding against FC30 cast iron. As a result, the densities of all Cu-Fe-C materials decreased after sintering. In general, when Al content increased, the density decreased. Sintered 65.5mass%Cu-11.4mass%Fe-6.6mass%C based friction material (A0) had much lower hardness than 57.7mass%Cu-12.6mass%Fe-7.3mass%C and 48.1mass%Cu-14.0mass%Fe-8.0mass%C based friction materials (A10 and A20). During sintering in air, large amounts of oxides formed. The presence of Al caused Cu-Sn to decompose, Al-Cu and Fe-Sn phases to form, Cu to be oxidized, and Fe 2 O 3 to be reduced. A10 demonstrated the highest and most stable friction coefficient, as well as the smallest weight loss among three materials. Both film type and particulate type debris morphologies were observed on worn surfaces of Cu-Fe-C specimens. Local delamination of debris film was frequently observed on A0 and A20 surfaces, but seldom observed on A10 surface. Significant amounts of iron transfers from FC30 to A10 and A20 during sliding, but less such transfer occurred in A0.

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Anti-friction properties of Cu10Sn-based composite containing nanometer diamond particles

Cited by 18 publications

References 4 publications

Effect of Graphite Content on the Tribological Behavior of a Cu-Fe-C Based Friction Material Sliding against FC30 Cast Iron

Effect of Graphite Content on the Tribological Behavior of a Cu-Fe-C Based Friction Material Sliding against FC30 Cast Iron

Effect of nanosilica additive particles on both friction and wear performance of mild steel/CuSn/SnBi multimaterial system

Effect of Aluminum Content on Tribological Behavior of a Cu-Fe-C Based Friction Material Sliding against FC30 Cast Iron

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