Experimental and Numerical Investigation into Residual Stress During Turning Operation for Stainless Steel AISI 316
|Engineering and Technology Journal|
|Article 13, Volume 38, 12A, December 2020, Pages 1862-1870 PDF (976.38 K)|
|Document Type: Research Paper|
|Safa M. Lafta* ; Maan A. Tawfiq|
|Production Engineering and Metallurgy Department, University of Technology Baghdad, Iraq|
|RS (residual stresses) represent the main role in the performance of structures and machined parts. The main objective of this paper is to investigate the effect of feed rate with constant cutting speed and depth of cut on residual stresses in orthogonal cutting, using Tungsten carbide cutting tools when machining AISI 316 in turning operation. AISI 316 stainless steel was selected in experiments since it is used in many important industries such as chemical, petrochemical industries, power generation, electrical engineering, food and beverage industry. Four feed rates were selected (0.228, 0.16, 0.08 and 0.065) mm/rev when cutting speed is constant 71 mm/min and depth of cutting 2 mm. The experimental results of residual stresses were (-15.75, 12.84, 64.9, 37.74) MPa and the numerical results of residual stresses were (-15, 12, 59, and 37) MPa. The best value of residual stresses is (-15.75 and -15) MPa when it is in a compressive way. The results showed that the percentage error between numerical by using (ABAQUS/ CAE ver. 2017) and experimental work measured by X-ray diffraction is range (2-15) %|
|residual stresses; feed rate; cutting speed; X-Ray Diffraction; ABAQUS|
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