Results 21 to 30 of about 4,689,593 (329)

Experimental evaluation of anti-stripping additives on porous asphalt mixtures [PDF]

open access: yes, 2015
The open structure of porous asphalt mix influences its strength and durability against air, water and clogging materials. These factors cause loss of adhesion between binder-aggregate interface and loss of cohesion within the binder film.
Abdul Hassan, Norhidayah   +7 more
core   +2 more sources

Enhancing the drilling efficiency through the application of machine learning and optimization algorithm

open access: yesEngineering applications of artificial intelligence, 2023
This article presents a novel Artificial Intelligence (AI) workflow to enhance drilling performance by mitigating the adverse impact of drill-string vibrations on drilling efficiency.
Farouk Said Boukredera   +5 more
semanticscholar   +1 more source

Optimization of Micro-Drilling of Laminated Aluminum Composite Panel (Al–PE) Using Taguchi Orthogonal Array Design

open access: yesMaterials, 2023
Aluminum Matrix Composite (AMC) represents an innovative class of materials that is extensively utilized in industries such as automotive, defense, aerospace, structural engineering, sports, and electronics. This study investigates the thrust force, exit
Bekir Yalçın   +4 more
semanticscholar   +1 more source

Energy Efficiency Improvements in Dry Drilling with Optimised Diamond-Like Carbon Coating [PDF]

open access: yes, 2008
We demonstrate enhancements of performance and energy efficiency of cutting tools by deposition of diamond-like carbon (DLC) coatings on machine parts. DLC was deposited on steel drill bits, using plasma enhanced chemical vapour deposition (PECVD) with ...
A.W. Anson   +16 more
core   +1 more source

Integrated Well Placement and Completion Optimization using Heuristic Algorithms: A Case Study of an Iranian Carbonate Formation [PDF]

open access: yesJournal of Chemical and Petroleum Engineering, 2018
Determination of optimum location for drilling a new well not only requires engineering judgments but also consumes excessive computational time. Additionally, availability of many physical constraints such as the well length, trajectory, and completion ...
Reza Khoshneshin, Saeid Sadeghnejad
doaj   +3 more sources

Ultra low bending loss equiangular spiral photonic crystal fibers in the terahertz regime [PDF]

open access: yes, 2012
An Equiangular Spiral Photonic Crystal Fiber (ES-PCF) design in Topas® for use in the Terahertz regime is presented. The design shows ultra low bending loss and very low confinement loss compared to conventional Hexagonal PCF (H-PCF).
Agrawal, A.   +5 more
core   +2 more sources

A deep learning-based predictive simulator for the optimization of ultrashort pulse laser drilling

open access: yesCommunications Engineer, 2023
Ultrashort pulse laser drilling is a promising method for the fabrication of microchannels in dielectric materials. Due to the complexity of the process, there is a strong demand for numerical models (simulators) that can predict structures produced ...
Kohei Shimahara   +3 more
semanticscholar   +1 more source

Optimization of Drilling Parameters for Aluminum Metal Matrix Composite Using Entropy-Weighted TOPSIS under MQL Conditions

open access: yesEngineering Transactions, 2023
The aim of the present work is to understand the effect of drilling parameters (drill speed and feed rate) during the drilling of a Saffil fiber-reinforced Al metal matrix composite (MMC) under minimum quantity lubrication (MQL) condition.
Sachin G. GHALME, Paweł KAROLCZAK
doaj   +1 more source

Improving rock classification in terms of explosivity [PDF]

open access: yes, 2019
Purpose. To improve rock classification in terms of explosivity relying upon the detailed analysis of characteristics of rating classifications available in the Russian Federation and in the world. Methods.
Kirsanov, A   +5 more
core   +1 more source

Multi-Objective Optimization of Machining Parameters for Drilling LM5/ZrO2 Composites Using Grey Relational Analysis

open access: yesMaterials, 2023
In today’s world, engineering materials have changed dramatically. Traditional materials are failing to satisfy the demands of present applications, so several composites are being used to address these issues.
S. Jebarose Juliyana   +3 more
semanticscholar   +1 more source

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