International Journal of Manufacturing, Material and Mechanical Engineering Research (IJMMMER)

EA Journals

Development of a Suitable Mathematical Model for Predicting Ultimate Tensile Strength (UTS) Of Stainless Steel Weld Joints


A mathematical model for predicting the tensile strength (UTS) of TIG welded austenitic stainless steel weld joint was developed. The validity and accuracy of the model was confirmed using deviational and statistical analyses as well as scatter diagram. The maximum deviation between the model-predicted UTS values and those obtained from actual experiment was less than 1.3% and the R2 values were above 90%. Furthermore, the scatter diagram showed that the experimental values and the predicted values lie close to the 45o line.

Keywords: Deviational Analysis, Mathematical model, Scatter Diagram., Statistical Analysis

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