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Optimization of Process Parameters in Explosive Cladding of Mild Steel and Aluminum
Raghukandan, K.,Hokamoto, K.,Manikandan, P. 대한금속재료학회 2004 METALS AND MATERIALS International Vol.10 No.2
Explosive cladding is best known for its capability to join a wide variety of both similar and dissimilar combinations of metals that cannot be joined by other conventional metal joining techniques. An attempt has been made to optimize the tensile and shear strengths of an explosive clad interface using fuzzy logic and genetic algorithm. The parameters considered for this study include flyer plate thickness, loading ratio, angle of inclination, and stand off distance. The experimental data was trained and simulated using fuzzy logic and the optimization of process parameters was performed using genetic algorithm. The optimized process parameters were validated using experimental results.
Optimizing the Milling Characteristics of Al - SiC Particulate Composites
Raghukandan, K .,Karthikeyan, R .,Naagarazan, R . S .,Pai, B . C . 대한금속재료학회(대한금속학회) 2000 METALS AND MATERIALS International Vol.6 No.6
The present investigation focuses on the face milling characteristics of LM25Al -SiC particulate composites produced through stir casting. Experiments were conducted according to an L27 orthogonal array and mathematical models were developed for such machining characteristics as flank wear, specific energy and surface roughness whose adequacy was checked. The insignificant effects present in the models were eliminated using a t-test. Goal programming was employed to optimize the cutting conditions by considering such primary objectives as maximizing the metal removal rate and minimizing tool wear, specific energy and surface roughness.
Modelling of Process Parameters in Dynamic Form - Cladding
Raghukandan, K .,Rathinasabapathi, M .,Vaidyanathan, P . V . 대한금속재료학회(대한금속학회) 1998 METALS AND MATERIALS International Vol.4 No.5
Explosive form-cladding is a dynamic process, ire which plastic deformation of two sheet metals alongwith solid stale welding between them is accomplished by single detonation of an explosive charge. The process parameters include (a} the depth to diameter (h/D) ratio of the dies, (b) the mass of the explosive per unit mass of the Gladder (c/m ratio) and (c) the density ratio of the Gladder and backer. An attempt was made to express flue rate of success of the explosive form-cladding endeavours in terms of the process parameters. All experiments were open air, contact operations and were schemed using design of experiments. A granular explosive, with a detonation velocity of 2800 m/s, was the energy generator. Aluminium and copper sheets (1.2 mm thick) were Gladder plates and low carton steel sheet (1.2 mm thick) were backer plates. Analysis Of Variance (ANOVA) was employed to evaluate the significance of the parameters and their interactions on the process.
Lalu Gladson Robin,Krishnamurthy Raghukandan,Somasundaram Saravanan 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.9
In this research paper, an empirical relationship is developed to envisage the impact strength of stainless steel wire-meshand SiCp reinforced aluminum composite laminates produced through the explosive cladding. The process parameters viz.,stand-off distance, explosive loading ratio, wire-mesh orientation and wt% of SiCp were optimized in four factors, three levelsBox–Behnken design with full appropriateness. Analysis of Variance indicates that the wt% of SiCp possess the greatestsway on impact strength, trailed by stand-off distance, explosive loading ratio and wire-mesh orientation. The interfacialmicrostructure of the optimized condition reveals the presence of silicon carbide (SiC) as the wt% of SiCp is increased from0 to 3%. X-ray diffraction analysis of the clad interface shows the absence of brittle intermetallic compounds. The impactfracture faces of the optimized clad reveals a ductile manner of fracture with elevated impact strength.