A novel quartz fibre reinforced dense polyimide matrix composite: effect of preform stitching

2019 ◽  
Vol 48 (9) ◽  
pp. 384-388 ◽  
Author(s):  
Huizhen Bai ◽  
Xun Sun ◽  
Haitao Liu ◽  
Lingwei Yang ◽  
Wenzhi Huang ◽  
...  
Keyword(s):  
Matrix Composite ◽  
Composite Effect ◽  
Quartz Fibre ◽  
Polyimide Matrix

Sliding Wear Behaviour of Al-7075 Based Metal Matrix Composite: Effect of Processing Parameters

2012 ◽  
Vol 504-506 ◽  
pp. 555-560 ◽  
Author(s):  
Rupa Dasgupta ◽  
Satyabrata Das ◽  
Amol Kumar Jha
Keyword(s):  
Metal Matrix Composite ◽  
Matrix Composite ◽  
Metal Matrix ◽  
Sliding Wear ◽  
Wear Behaviour ◽  
Wear Properties ◽  
Experimental Conditions ◽  
Composite Effect ◽  
Al 7075 ◽  
Processing Techniques

Metal Matrix Composite made from Al-7075 based alloy dispersed with 10% SiC particles through the liquid metallurgy route were evaluated for their sliding wear properties under different loads and for a length of sliding distance. The volume loss and wear rate under different experimental conditions were compared between the following conditions for both the alloy and composite (i) cast (ii) aged (iii) extruded. Attempts have been made to arrest wear of the alloys that experience seizure under the mildest of experimental conditions through the above processing techniques and explain the experimental results through worn surface studies. The extent of success attained through each process has been discussed. It is felt that the cumulative effect of the different processing techniques including composite making, ageing and extrusion can open up new avenues for this alloy system, which in general is not used for wear resistant applications.

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