Wear Behavior of Al-Mg[sub 2]Si Cast In-situ Composite: Effect of Mg[sub 2]Si Different Volume Fractions

2010 ◽  
Author(s):  
J. Ghiasinejad ◽  
M. Emamy ◽  
M. R. Ghorbani ◽  
A. Malekan ◽  
F. Barlat ◽  
...  
Keyword(s):  
Wear Behavior ◽  
Composite Effect ◽  
In Situ Composite ◽  
Volume Fractions

Wear Behavior of In Situ Mg2Si Particle-Dispersed Magnesium Alloys

2017 ◽  
Vol 909 ◽  
pp. 100-105
Author(s):  
Kazunori Asano
Keyword(s):  
Magnesium Alloys ◽  
High Speed ◽  
Wear Behavior ◽  
Particle Dispersion ◽  
Dry Sliding Wear ◽  
Wear Loss ◽  
Mg2si Particle ◽  
Particle Volume ◽  
Volume Fractions

Magnesium alloys, in which the in-situ Mg2Si particles were dispersed, were fabricated by a casting process, and the dry sliding wear behavior of the alloys was investigated. Optical microscopy revealed that the polygonal Mg2Si particles were homogeneously dispersed in the alloys. Mg2Si particle volume fractions in the alloys were 7 and 11 vol%. Although the wear loss of the alloy decreased due to the particle-dispersion, there was no difference in the wear loss between the alloys with different volume fractions. The worn surfaces of the particle-dispersed alloys were covered with the crumbled Mg2Si particles, which would prevent seizure between the alloy and the steel counterpart, leading to an improvement in the wear resistance of the alloy. The particle-dispersion slightly decreased the scatter of the coefficient of friction during the wear for the low sliding speed and load, but the effect of the dispersion was not clearly observed for the high speed and load.

Sliding Wear Behaviour of Cu-10Fe-3Ag In Situ Composite

2011 ◽  
Vol 194-196 ◽  
pp. 1572-1576
Author(s):  
Yong Li ◽  
Dan Qing Yi ◽  
Rui Qing Liu ◽  
Shun Ping Sun
Keyword(s):  
Sliding Wear ◽  
Wear Behavior ◽  
Electrical Current ◽  
Copper Matrix ◽  
Wear Behaviour ◽  
Sliding Speed ◽  
Arc Erosion ◽  
In Situ Composite ◽  
Arc Melting

A deformation-processed Cu-10Fe-3Ag in situ composite was made by consumable arc melting and casting followed by extensive deformation. A superior combination of mechanical strength and electrical/thermal conductivity was achieved with the composite since Fe filaments existed in the copper matrix. The effects of sliding speed and electrical current on sliding wear behavior and microstructure of the composite were investigated on wear tester. Worn surfaces of the Cu-10Fe-3Ag in situ composite were analyzed by scanning electron microscopy (SEM). Within the studied range of electrical current and sliding speed, the wear rate increased with the increasing electrical current and the sliding speed. Compared with Cu-10Fe in situ composite under the same conditions, the Cu-10Fe-3Ag in situ composite had much better wear resistance. Adhesive wear, abrasive wear and arc erosion were the dominant mechanisms during the electrical sliding processes.

Correlating the microstructure to mechanical properties and wear behavior of an accumulative back extruded Al-Mg2Si in-situ composite

2017 ◽  
Vol 115 ◽  
pp. 199-211 ◽  
Author(s):  
M. Ebrahimi ◽  
A. Zarei-Hanzaki ◽  
H.R. Abedi ◽  
M. Azimi ◽  
S.S. Mirjavadi
Keyword(s):  
Mechanical Properties ◽  
Wear Behavior ◽  
In Situ Composite

Synthesis and air jet erosion wear behavior of aluminum – Al3Ti In-Situ composite

2020 ◽  
Vol 28 ◽  
pp. 2572-2578
Author(s):  
Sandeep Kumar ◽  
Sunil Manani ◽  
Patel Nikunj ◽  
Ajaya Kumar Pradhan
Keyword(s):  
Wear Behavior ◽  
Erosion Wear ◽  
In Situ Composite ◽  
Air Jet

Tribological Characteristics of Al6061-TiC Composite Synthesized by In Situ Technique

2015 ◽  
Vol 787 ◽  
pp. 653-657 ◽  
Author(s):  
G.S. Pradeep Kumar ◽  
R. Keshavamurthy ◽  
C.S. Ramesh ◽  
B.H. Channabasappa
Keyword(s):  
Friction And Wear ◽  
Sliding Friction ◽  
Wear Behavior ◽  
Base Alloy ◽  
Normal Load ◽  
Graphite Powder ◽  
In Situ Composite ◽  
Wear Tests ◽  
Friction And Wear Tests

Al6061-TiC in-situ composite was developed using hexafluorotitanate salt and graphite powder. Microstructure studies, hardness and dry sliding friction and wear behavior were investigated for both base alloy and in-situ composite. Friction and wear tests were performed at the normal load and sliding speeds in the range 20-100N and 0.314-1.57m/s respectively. For a given TiC content, coefficient of friction was lower than base alloy for all the loads and sliding speeds. A tremendous improvement in the wear resistance of the composite was found when compared with base alloy.

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