Study of the wear behaviour of Al–4.5% Cu–3.4% Fe in situ composite: Effect of thermal and mechanical processing

2007 ◽  
Vol 182 (1-3) ◽  
pp. 327-332 ◽  
Author(s):  
Shafaat Ahmed ◽  
A.S.M.A. Haseeb ◽  
A.S.W. Kurny
Keyword(s):  
Wear Behaviour ◽  
Mechanical Processing ◽  
Composite Effect ◽  
In Situ Composite

Dry sliding wear behaviour of AA 6351-ZrB2 in situ composite at room temperature

2010 ◽  
Vol 31 (3) ◽  
pp. 1526-1532 ◽  
Author(s):  
G. Naveen Kumar ◽  
R. Narayanasamy ◽  
S. Natarajan ◽  
S.P. Kumaresh Babu ◽  
K. Sivaprasad ◽  
...  
Keyword(s):  
Sliding Wear ◽  
Room Temperature ◽  
Wear Behaviour ◽  
Dry Sliding Wear ◽  
Dry Sliding ◽  
In Situ Composite ◽  
Sliding Wear Behaviour

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

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.

Effect of Iron Content on the Strength and Conductivity of Cu-Fe In Situ Composite

2014 ◽  
Vol 633-634 ◽  
pp. 63-67
Author(s):  
Ke Ming Liu ◽  
Z.Y. Jiang ◽  
Yong Hua Wang ◽  
Z.B. Chen ◽  
Jing Wei Zhao ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Tensile Strength ◽  
Cold Deformation ◽  
Testing Machine ◽  
Optical Microscope ◽  
Good Combination ◽  
Mechanical Processing ◽  
Tensile Testing Machine ◽  
In Situ Composite

Cu-14Fe and Cu-17Fe alloys were produced by casting and processed into in situ composites by hot and cold deformation, and intermediate heat treatment. The microstructures were investigated by using a scanning electron microscope and an optical microscope. The electrical conductivity was evaluated by using a digital micro-ohmmeter. The tensile strength was measured by using an electronic tensile-testing machine. The results show that there are similar cast and deformation microstructures in Cu-14Fe and Cu-17Fe. The tensile strength of deformation-processed Cu-17Fe in situ composite is much higher than that of Cu-14Fe, while the conductivity of deformation-processed Cu-17Fe in situ composite is slightly lower than that of Cu-14Fe at the same cold deformation strain. The Cu-17Fe in situ composite produced by using proper thermo-mechanical processing possesses a good combination of tensile strength and electrical conductivity.

scholarly journals Evolution of Microstructure in a Cu-Cr in situ Composite Produced by Thermo-Mechanical Processing

2017 ◽  
Vol 05 (07) ◽  
pp. 29-35 ◽  
Author(s):  
Keming Liu ◽  
Deping Lu ◽  
Kai Fu ◽  
Peilan Luo ◽  
Zhikai Huang ◽  
...  
Keyword(s):  
Mechanical Processing ◽  
In Situ Composite ◽  
Evolution Of Microstructure

Hydrogen-induced amorphization and embrittlement resistance in Ti-based in situ composite with bcc-phase in an amorphous matrix

2007 ◽  
Vol 22 (2) ◽  
pp. 428-436 ◽  
Author(s):  
S. Jayalakshmi ◽  
J.P. Ahn ◽  
K.B. Kim ◽  
E. Fleury
Keyword(s):  
Hydrogen Embrittlement ◽  
Amorphous Alloys ◽  
Amorphous Matrix ◽  
Mechanical Tests ◽  
High Concentration ◽  
High Hydrogen ◽  
In Situ Composite ◽  
Bcc Phase ◽  
Embrittlement Resistance

We report the hydrogenation characteristics and mechanical properties of Ti50Zr25Cu25 in situ composite ribbons, composed of β-Ti crystalline phase dispersed in an amorphous matrix. Upon cathodic charging at room temperature, high hydrogen absorption up to ∼60 at.% (H/M = ∼1.2) is obtained. At such a high concentration, hydrogen-induced amorphization occurs. Mechanical tests conducted on the composite with varying hydrogen concentrations indicate that the Ti50Zr25Cu25 alloy is significantly resistant to hydrogen embrittlement when compared to conventional amorphous alloys. A possible mechanism that would contribute toward hydrogen-induced amorphization and hydrogen embrittlement is discussed.

Tensile and wear behaviour of in situ Al–7Si/TiB2 particulate composites

Wear ◽  
2008 ◽  
Vol 265 (1-2) ◽  
pp. 134-142 ◽  
Author(s):  
S. Kumar ◽  
M. Chakraborty ◽  
V. Subramanya Sarma ◽  
B.S. Murty
Keyword(s):  
Particulate Composites ◽  
Wear Behaviour
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