Surface roughness Wear rate Microhardness Alloy Condition of wear (×10-11 HV(0.5) track (Ra) m3/m) (µm) No 0.016±0.002 326±1 2.016±0.110 peening Peening 1.67±0.06 412±47 0.976±0.012 3.5 bar Peening 2.27±0.12 439±66 0.907±0.079 4.5 bar No 0.609±0.008 319±1 0.974±0.132 peening Peening 1.73±0.10 377±20 0.807±0.012 3.5 bar Peening 1.96±0.03 352±16 0.786±0.004 4.5 bar Figure 1. Effects of shotpeening [1]. Figure 2.Tensile specimen according to ASTM: E-8 specification. Figure 3. Effect of peening time on Almen intensity. Figure 4. Wear tracks of 4.5 bar shotpeened Ti64 alloy.
Alloy Condition Surface roughness of wear track (Ra) (µm) Microhardness HV(0.5) Wear rate (×10-11 m3/m) No peening 0.016±0.002 326±1 2.016±0.110 Peening 3.5 bar 1.67±0.06 412±47 0.976±0.012 Peening 4.5 bar 2.27±0.12 439±66 0.907±0.079 No peening 0.609±0.008 319±1 0.974±0.132 Peening 3.5 bar 1.73±0.10 377±20 0.807±0.012 Peening 4.5 bar 1.96±0.03 352±16 0.786±0.004 Figure 1. Effects of shotpeening [1]. Figure 2.Tensile specimen according to ASTM: E-8 specification. Figure 3. Effect of peening time on Almen intensity. Figure 4. Wear tracks of 4.5 bar shotpeened Ti64 alloy.
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