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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Metal-Matrix Composites Innovations, Advances and Applications: An SMD Symposium in Honor of William C. Harrigan, Jr.
Presentation Title Effect of Matrix Properties and Sliding Counterface on the Wear Behavior of Magnesium Alloy-based Metal Matrix Composites
Author(s) S. Jayalakshmi, R. Arvind Singh, Tirumalai S. Srivatsan
On-Site Speaker (Planned) Tirumalai S. Srivatsan
Abstract Scope In this presentation, the sliding wear behavior of two magnesium alloys, namely AM100 and ZC63, and their saffil alumina short fiber-reinforced composites produced by the technique of squeeze infiltration will be elegantly highlighted and lucidly detailed. The sliding wear tests were conducted on two different types of counter-face materials, namely: EN24 Steel and SiC abrasive discs, using a pin-on-disc tribometer. The test results revealed that against both the chosen types of discs, the magnesium alloy-based composites revealed enhanced resistance to wear when compared to the unreinforced counterpart. It was observed in the two chosen composite systems that: (i) against EN24 steel disc, the wear rate decreased with an increase in volume fraction of the fiber reinforcement, and (ii) against SiC abrasive disc, the wear rate increased with an increase in volume fraction of the fiber reinforcement. Further, the ZC63 and its composites revealed noticeably higher wear rates than the AM100 composites when slid against a silicon carbide (SiC) counter-face. Such a behavior shown by the ZC63 system can be ascribed to the influence of the wear debris, as a third body, on the overall wear process. The nature of matrix (ductile or brittle) played an important role in determining the wear behavior of the chosen ZC63 and AM100 composites. The ZC63 matrix was ductile and the resultant debris arising from the ductile matrix was observed to be both embedded and compacted in the abrasive grits of the SiC counter face along with the hard alumina fibers. The compacted material on the counter-face disc caused counter-abrasion of the ZC63 composite test pin resulting is a higher wear rate on repeated sliding. For the AM100 composites, the matrix was brittle due to presence of Mg17Al12 precipitates. Unlike in the case of ZC63 composites, the wear debris generated from the brittle matrix remained free without getting compacted in the abrasive grits of the SiC counter-face, thereby minimizing counter-abrasion resulting in an observably lower wear rate.
Proceedings Inclusion? Planned: None Selected

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Aluminum Matrix Composites 1970 to 2017
An Engineered Magnesium Alloy Nanocomposite: Mechanisms Governing Microstructural Development and Mechanical Properties
Bio-inspired, Graphene/Metal-oxide Reinforced Metal-matrix Composites (Invited)
Bioinspired Al Composites Reinforced by In Situ Formed Al3Ni and Al3Ti
Characterization in Drilling Process of Carbon Fiber Reinforced Plastic Composite Materials
Commercial-ready Large Scale Manufacturing of Light-weight Aluminum Metal Matrix Composite
Designing New Self-healing Metallic Materials and Self-healing Metal Matrix Composites
Development and Characterization of In-situ Al-TiC Composites Prepared by Pneumatic Powder Injection Route
Development of an electroless plating process for multi-wall carbon nanotubes (MWCNTs) to improve their dispersion and wettability in molten aluminum
Effect of Matrix Properties and Sliding Counterface on the Wear Behavior of Magnesium Alloy-based Metal Matrix Composites
Experimental Optimization of Dry Sliding Wear Behavior of Titanium Matrix Composites Using Taguchi Methods
Fabrication of Carbon/Aluminum Metal Matrix Composites via Combination of Different Carbon Addition Processes and Friction Stir Welding
Fatigue Properties of Titanium Metal Matrix Composites at Elevated Temperatures and under Different Environmental Conditions
Fracture and Fatigue of Particulate Composites, Nano-composites, and Toughening Mechanisms
Fundamental Issues of Reactive Wetting in Carbon Based Liquid Copper Alloys
Hierarchically Engineered MMC's, a History of MMC Research at Powdermet Inc.
High-entropy-alloy Composites: Microstructures and Mechanical Behavior
In-situ TiB Reinforced Titanium Matrix Composites with a Network-woven Architecture Design
Influence of Boron to the Creep Behavior of Particle Reinforced Aluminum Matrix Composites (AMCs)
Influence of Graphene nanoplatelet reinforcements on Microstructural Development and Wear Behavior of An Aluminum Alloy Nanocomposite
Influence of Interface Microstructure on Mechanical Properties of Metal/Ceramic Bonding in Cu-SiC and Cu-Al2O3 Composites
Investigation of the Mechanical Properties of Al2O3 Reinforced Nickel Composite Coatings
Magnetically Induced Cavitation for the Dispersion of Particles in Liquid Metals
Mechanisms of Solid State Interactions of Titanium Nitride and Titanium Carbide Particles in a Secondary Hardenable Steel Matrix
Metal Matrix Composites – from Science to Technological Significance
Microstructure and Mechanical Behavior of Cryomilled Al-Mg Composites Reinforced with Nanometric Yttria Partially Stabilized Zirconia
Microstructures and Thermal Properties of Ag-carbon/Cu Composite Fabricated by Friction Stir Processing
Model-based Algorithm for Damage Detection in Piezoelectric Fiber-based Composites
Nanostructured Aluminum Alloys and their Composites via Cryomilling
Strengthening Behavior of Ti/MWCNTs Composites with Modified Interfacial Structure by Utilizing Mechanical Milling
Study on Hot Deformation Behavior and Processing Map of 20vol.%Al18B4O33w/2024 Composites
Synthesis and Microstructural Development of Particulate Reinforced Metal-matrix Composites Using the Technique of Spray Atomization and Deposition
Tensile Behavior of Hot Isostatically Pressed TiC-SKD11 Composite and Characteristic Analysis
The Effect of Si on the Interface Reaction of Ti3SiC2/Al Composites
The Synthesis and Processing of Light Weight Low Cost and High Performance Structural Aluminum Metal Matrix Composite Foam

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