Surface Hardening of High-Strength Low Alloy Steels (HSLA) Dual-Phase Steels by Ball Burnishing Using Factorial Design |
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| Authors: | D Srinivasa Rao H Suresh Hebbar M Komaraiah |
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| Affiliation: |
a Department of Mechanical Engineering, Golden Valley Institute of Technology, Karnataka, India
b Department of Mechanical Engineering, National Institute of Technology, Karnataka, Surathkal, India |
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| Abstract: | Burnishing is used increasingly as a finishing operation which gives additional advantages such as increased hardness, fatigue strength, and wear resistance. Experimental work based on 34 factorial design was carried out to establish the effects of ball burnishing parameters on the surface hardness of high-strength low alloy steels (HSLA) dual-phase (DP) steel specimens. Statistical analysis of the results shows that the speed, feed, lubricant and ball diameter have significant effect on surface hardness. |
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| Keywords: | Burnishing Composite microstructures Compressive residual stress Double quenching Dual-phase (DP) Factorial design Fatigue resistance Hardness High-strength low alloy Inter-critical temperature Kinetics of formation Optomechanical Tribology Volume fraction Work hardening |
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