Some studies on drilling of red mud reinforced aluminum composite

Rajesh, S.; Pethuraj, M.; Kumaran, S. Thirumalai; Uthayakumar, M.; Rajini, N.

doi:10.1177/1464420715598173

Cited by 4 publications

(2 citation statements)

References 26 publications

(34 reference statements)

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“…Studies have further invested in research on the variable screen methods; one method is correlation analysis, and the other is contribution analysis. 50 Thus, this study first introduces the combined correlation analysis method with contribution analysis and the CSA method, which can instruct screening variables and increase the accuracy and optimize efficiency. The steps are as follows.…”

Section: Methodsmentioning

confidence: 99%

A multi-objective optimization approach for simultaneously lightweighting and maximizing functional performance of vehicle body structure

Wang

Xie

2019

Proceedings of the Institution of Mechanical Engineers, Part D:

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This study presents a hybrid approach to integrate the comprehensive sensitivity analysis method, support vector machine technology, modified non-dominated sorting genetic algorithm-II method and the technique for order preference by similarity to ideal solution, which have been applied to multi-objective lightweight optimization of the B-pillar structure of an automobile. First, numerical models of the static–dynamic stiffness and the crashworthiness performance of automobile are established and validated by experimental testing. Then, the comprehensive sensitivity analysis method is used to define the final optimization variables. Experimental design and support vector machine based surrogate model techniques are introduced to establish the approximate model; subsequently, the modified non-dominated sorting genetic algorithm-II algorithm is applied to the multi-objective lightweight optimization design of the B-pillar structure, and the non-dominated solution set is determined. The principal component analysis method is applied to determine the weight of each objective. Finally, the technique for order preference by similarity to ideal solution method is used to rank Pareto front from best to worst to obtain the optimal solution; furthermore, a comparison between the original model and optimized design denotes that the mass of the B-pillar being reduced by 22.55% under the other impacting indicators is well guaranteed. Therefore, the proposed hybrid approach provided promising prospects in the lightweight and crashworthiness optimization application of the B-pillar.

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Section: Methodsmentioning

confidence: 99%

A multi-objective optimization approach for simultaneously lightweighting and maximizing functional performance of vehicle body structure

Wang

Xie

2019

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…Because, with the increase in the f, the removed chip cross-section and therefore the amount of chip also increases [37]. With the increase in Vc and f, the drilling times decreased, while the chip removal rates increased [9,38,39]. Mathematical models related to Udrill are given in equations 1-4 for Fz as categorical variables, respectively.…”

Section: Figure 5 Main Effects Plot For Fzmentioning

confidence: 99%

Investigation of the Effect of U Drills with Different Properties on Thrust Force, Torque and Spindle Load

AKDULUM¹,

Kayir

2023

Politeknik Dergisi

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Udrills are indexable insert drill commonly used in drilling operations. It is estimated that the market share among drilling tools is around 53%. They are produced in the same nominal diameter but in different lengths. There are usually two cooling holes, one behind the central insert and the other behind the peripheral insert. However, in some Udrills, an extra third cooling hole is drilled by the manufacturer. In this study, the effects of different length/diameter ratios, extra coolant hole and drilling parameters on thrust force, torque and spindle load were investigated in order to determine the effect of differences in U drills on hole drilling. AA 2024-T351 was drilled to a depth of 40mm using Udrills with a body diameter of 20mm. A total of 4 Udrills (3D, 4D, 4De, 5D) were used. Three feed rates (0.06, 0.09, 0.12mm/rev) and three cutting speeds (200, 250, 300m/min) were used in the experiments. According to the Anova analysis, it was concluded that while the length/diameter ratio of Udrills had an effect of 56.97% on thrust force and 21.46% on spindle load, it was not effective for torque. The 4De Udrill with extra coolant hole gave 34.2% higher thrust force, 0.3% higher torque value and 26.53% lower spindle load compared to the 4D Udrill without extra coolant hole.

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Optimization of WEDM Parameters During Machining of Ni-75 Using AHP-MOORA Method

Sonawane¹,

Wangikar²

2021

Techno-Societal 2020

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Some studies on drilling of red mud reinforced aluminum composite

Cited by 4 publications

References 26 publications

A multi-objective optimization approach for simultaneously lightweighting and maximizing functional performance of vehicle body structure

A multi-objective optimization approach for simultaneously lightweighting and maximizing functional performance of vehicle body structure

Investigation of the Effect of U Drills with Different Properties on Thrust Force, Torque and Spindle Load

Optimization of WEDM Parameters During Machining of Ni-75 Using AHP-MOORA Method

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