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6 results on '"Kalluri, Anil"'

1. Finite Element Analysis on Experimental Stretch Forming Process of AA2014 Alloy at 423 to 623K Temperatures

Author

Lade Jayahari, Baloji Dharavath, Sharath M. Sai, Raju G., Kalluri Anil, Lakshmi A. Anitha, and Memoria Minakshi

Subjects
stretch forming, forming limit diagram, hot forming, limiting dome height, finet element analysis, Environmental sciences, GE1-350
Abstract

Sheet metal forming processes are extremely important in the production of many different items. However, the issue of plastic instability, which frequently results in damaged goods, still exists in this industry. To solve this problem during production, it is crucial to take into account a number of factors, limiting diagram of forming. Present case, the Aluminum Alloy (AA2014) has been used to examine its formability at various temperatures (423,523 and 623K) and at strain rates (0.1 mm/s). Stretch forming was used to acquire the study’s findings, and the Nakajima test was used. The findings were evaluated using fractography investigations carried out with SEM. The outcomes demonstrated that as the temperature rose, the material’s limiting stresses became more favorable. Utilizing LS-dyna software, the simulations were carried out. The experimental findings are within the acceptability limit according to this study.

Published
2023
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2. Evaluation and Optimization of Material Properties of Brass at Subzero Temperature Using Taguchi Robust Design

Author

Swadesh Kumar Singh, Kalluri Anil, Ahsan Ul Haq, Dharavath Baloji, K. Satyanarayana, and M.T. Naik

Subjects
010302 applied physics, Materials science, Machinability, 02 engineering and technology, Process variable, 021001 nanoscience & nanotechnology, 01 natural sciences, Brass, Taguchi methods, visual_art, 0103 physical sciences, Ultimate tensile strength, visual_art.visual_art_medium, Orthogonal array, Composite material, 0210 nano-technology, Material properties, Ductility
Abstract

Copper and its alloys are the most versatile engineering materials, offering a wide range of mechanical properties such as strength, machinability and ductility that make them uniquely suited to a vast number of applications. In the present study, an extensive work has been carried out to quantify the tensile properties of brass at subzero temperatures with different crosshead velocities in three orientations. The process parameters plays a major role in this investigation, the three low temperatures were 0°C, -25°C, -50°C, the three cross head velocities were 3, 5, 7mm/min and the three orientations such as 0, 45, 90 degrees. The main objective of this work is to optimize these process parameters by using Taguchi method and to anticipate the optimum tensile properties such as ultimate tensile strength, yield strength and % of elongation. L9 orthogonal array was selected to conduct the experiments based on Taguchi robust design and to study the influence of various combinations of process parameters on tensile properties of brass. Data collected from Taguchi experiments were analyzed and optimum condition was reported. In addition to that Analysis of Variance (ANOVA) was carried out to determine the significance of each process parameter for finding tensile and percentage elongation behaviour of brass material.

Published
2019
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