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1
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Influence of Parameters on Tribological Behaviour of E-Glass Fiber Reinforced Epoxy Composites

100%
Ozsoy N., Ozsoy M., Mimaroglu A.
Acta Physica Polonica A
|
2015
|
vol. 128
|
issue 2B
B-55-B-58
EN
E-glass fiber reinforced epoxy composites were fabricated by hand lay up method and tested for investigating tribological behaviours. Wear behaviours of composites 0°, 90° and [0°/90°] oriented were investigated by pin on disc wear tester device for a constant distance (1000 m) and the design of experiments approach using the Taguchi method was employed. The tests were conducted sliding against a steel disc (60 HRC) under different sliding and loading conditions. Signal to noise ratio and analysis of variance (ANOVA) were used to investigate the influence of parameters on the wear rate and coefficient of friction.
2
Content available remote

Mechanical Properties of Chopped Carbon Fiber Reinforced Epoxy Composites

100%
Ozsoy N., Ozsoy M., Mimaroglu A.
Acta Physica Polonica A
|
2016
|
vol. 130
|
issue 1
297-299
EN
An experimental study has been carried out to investigate tensile, bending, impact and hardness properties of chopped carbon fiber reinforced epoxy composites. Four different weight fractions (0%, 6%, 8%, 10%) were added as reinforcement to composites. The samples were manufactured by using a special designed mold. Tests were carried out according to the ASTM standards. Results of the tests have shown that hardness increases with the increasing amount of carbon fiber in composites. Tensile, bending and impact performances have increased up to 8% of carbon fiber in the composite and then started to decrease.
3
Content available remote

Comparison of Mechanical Behaviour of Carbon and Glass Fiber Reinforced Epoxy Composites

100%
Ozsoy N., Mimaroğlu A., Ozsoy M., Ozsoy M.
Acta Physica Polonica A
|
2015
|
vol. 127
|
issue 4
1032-1034
EN
An experimental study has been carried out to investigate tensile and bending properties of carbon fiber (CFRE) and glass fiber-reinforced (GFRE) epoxy composites. Three different fiber orientations were applied, 0°, 90° and [0°, 90°]. The laminates were obtained by manual lay-up process. The samples were evaluated by tensile tests according to the ASTM D3039 and bending tests according to the ASTM D790. Experimental results showed that maximum tensile strengths were observed at 0° fiber direction for the both CFRE and GFRE composites. With respect to their tension properties, the CFRE samples had better performance than the GFRE samples, except for the 90° orientation. Three point bending tests proved that in all orientations CFRE composites had better performance, compared to GFRE composites.
4
Content available remote

Influence of Parameters on Dry Sliding of Chopped Bamboo Reinforced Epoxy Composites Based on the Taguchi Method

100%
Ozsoy N., Ozsoy M., Mimaroglu A.
Acta Physica Polonica A
|
2016
|
vol. 129
|
issue 4
687-689
EN
Chopped bamboo-reinforced epoxy composites were fabricated and tested to investigate their tribological properties. Three different weight fractions of 6%, 8% and 10% were used as reinforcement in the composites. Wear behaviour of composites was investigated by pin on disc wear testing device. To analyse the results the design of experiments (DOE) approach by using the Taguchi method was employed. Three different parameters (load, sliding speed, weight fractions) with three levels were chosen in design of experiments. Signal to noise ratio and analysis of variance (ANOVA) were used to investigate the influence of parameters on the wear rate and the coefficient of friction. According to the results, load was the most effective parameter for both wear rate and coefficient of friction.
5
Content available remote

Taguchi Approach to Tribological Behaviour of Chopped Carbon Fiber-Reinforced Epoxy Composite Materials

100%
Ozsoy N., Ozsoy M., Mimaroglu A.
Acta Physica Polonica A
|
2017
|
vol. 132
|
issue 3
846-848
EN
Chopped carbon fiber-reinforced epoxy composites were fabricated and tested for tribological behaviour. Wear behaviour of composites was studied using pin-on-disc wear tester device. The design of experiment, using Taguchi method, was employed to analyse the results. Signal to noise ratio and analysis of variance (ANOVA) were used to determine the influence of parameters on the wear rate and coefficient of friction.
6
Content available remote

Mechanical and Tribological Behaviour of Chopped E-Glass Fiber-Reinforced Epoxy Composite Materials

100%
Ozsoy N., Ozsoy M., Mimaroglu A.
Acta Physica Polonica A
|
2017
|
vol. 132
|
issue 3
852-856
EN
Chopped E-glass fiber-reinforced epoxy composites (10%, 30% and 50%) were fabricated and their mechanical and tribological behaviour was investigated. Three-point bending tests were performed according to the ASTMD790 and tensile tests were performed according to the ASTMD638 standards. Impact tests and hardness measurements of the composites were also carried out. Wear behaviour of composites was studied using pin on disc wear testing device. The design of experiments approach, using Taguchi method, was employed to analyze the results. Signal-to-noise ratio and analysis of variance were used to determine the influence of parameters on the wear rate and coefficient of friction.
7
Content available remote

Structural Strength and Fatigue Life Calculation of Y32 Bogie Frame by Finite Element Method

88%
Ozsoy M., Pehlivan K., Firat M., Ozsoy N., Ucar V.
Acta Physica Polonica A
|
2015
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vol. 128
|
issue 2B
B-327-B-329
EN
In this study structural strength and fatigue life estimation of Y32 bogie frame were examined by finite element method. A static structural and fatigue life simulation were performed according to TS EN 13749 standard. The results of the static structural and fatigue life simulations depicted that Y32 bogie manufactured by Tuvasas achieved the regulations.
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