Barkin Bakir

Barkin Bakir
Marmara University · Department of Mechanical Engineering (Tech)

Doctor of Philosophy

About

10
Publications
8,813
Reads
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110
Citations
Additional affiliations
November 2018 - November 2018
Marmara University
Position
  • Professor (Assistant)

Publications

Publications (10)
Article
Full-text available
In this study, the effects of cutting parameters (cutting depth, cutting speed, cutting tip radius, feed rate, cooling liquid flowrate, rake angle, approach angle) on cutting forces, temperatures and surface roughness were compared by using dry turning and minimum quantity lubrication turning methods. With this in mind, in order to determine the ef...
Conference Paper
Rocks are playing an important role in the life of mankind since ancient times. One of the most significant characteristics of the rocks is their brittleness, which makes them exhibit a very poor machinability and usually severe fracture results during machining. In this paper, Micro-Laser Augmented Machining (μ-LAM) technique is applied on scratch...
Article
Full-text available
In recent years, the welding of materials of new and complex structure constitutes a problem for the industry. The solid state welding method for joining of these materials were effective. Sheets produced from aluminum and aluminum alloys, especially in areas such as automotive, railway and defense industry have revealed the requirement of the appl...
Article
Full-text available
In recent years, the welding of materials of new and complex structure constitutes a problem for the industry. The solid state welding method for joining of these materials were effective. Sheets produced from aluminum and aluminum alloys, especially in areas such as automotive, railway and defense industry have revealed the requirement of the appl...
Article
Full-text available
This article describes a methodology based on force distributions for predicting cutting forces in side milling 7075-T651 aluminum. The methodology includes a practical mechanism for gathering experimental data. Milling forces on each disc are measured by experimentally dividing the cutter into discs for determining the milling coefficients. Force...
Article
Full-text available
In this study, MQL turning performance was compared to dry conditions. The magnesium based material will be formed by applying the orthogonal cutting. The CNC Lathe shall be used for both cutting processes. The experiment used MINITAB 16 software to establish the experiment plan. In this study, workpiece was turned at cutting speeds of 230, 330 and...
Article
In this paper, the effect of grinding parameters (grain size, depth of cut, table speed and cutting width) on the shape error in the interrupted surface of GS-C25 material were experimentally and statistically investigated by using Taguchi method. A square geometry was cut into and removed from block samples by wire electrical discharge machine to...
Article
Full-text available
During the plastic injection molding process, one of the biggest challenges is shrinkage which deteriorates the quality of produced parts. To control and reduce this defect, the essential way is to perfectly determine the variables like molding parameters. In this study, the effects of molding parameters including packing pressure, melt temperature...
Conference Paper
Tree-axis milling operations are often used in aeronautic, automotive and die/mould making industries in order to machine complex surfaces. Size tolerances and surface integrity are very important in all of these operations. Cutting forces, which cause deflections at cutting tool and workpiece, result in worse workpiece quality. Therefore, the dete...
Article
Full-text available
Aluminum is used in many industries to make different products and is significant to the world economy. Structural components made from aluminum and aluminum alloys are vital to the aerospace industry and very important in other areas of transportation and building in which durability, strength and light weight are desired. Drilling process is wide...

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Projects

Project (1)
Project
LADD is a new process with unique capabilities to drill hard and brittle materials by combining the mechanical drilling and laser heating to decrease the hardness and brittleness of material.