Sliding Friction and Wear Behavior of High Entropy Alloys at Room and Elevated Temperatures Page: IX
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LIST OF FIGURES
Figure 2.1. Illustration of normal force, lateral force, and friction force 8
Figure 2.2. Schematic illustration of different stages of friction 10
Figure 2.3. Schematic illustration of several fashions of friction 11
Figure 3.4. The mixing entropy as a function of the number of elements
for equimolar alloys 17
Figure 2.5. Five-component alloy with equiatomic proportions after
and before mixing 19
Figure 2.6. Schematic illustration of (a) BCC and (b) FCC crystal
structures with five major elements 21
Figure 2.7. Schematic illustration demonstrating severe lattice distortion
in the five-component BCC lattice structure 22
Figure 2.8. Plot showing the effects of Aluminum on the hardness
and crystal structure evolution in AlxCoCrFeNi high entropy alloy. 24
Figure 4.1. XRD pattern of Co0.5CrCo0.5FeNi1.5AITi0.4 high
entropy alloy 1. 41
Figure 4.2. Representative SEM image of Co0.5CrCu0.5FeNi1.5AITi0.4
high entropy alloy 42
Figure 4.3. XRD pattern of CoCr Fe Ni A10.25 Ti0.75 high entropy alloy 2 44
Figure 4.4. SEM images of CoCr Fe Ni A10.25 Ti0.75 high entropy
alloy showing the different region. 44ix
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Kadhim, Dheyaa. Sliding Friction and Wear Behavior of High Entropy Alloys at Room and Elevated Temperatures, thesis, December 2016; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc955078/m1/10/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .