by Institution Author "Uludağ, Muhammet"
Now showing items 1-19 of 19
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Change in Porosity of A356 by Holding Time and Its Effect on Mechanical Properties
Uludağ, Muhammet; Cetin, Remzi; Gemi, Lokman; Dispinar, Derya (Springer, 2018)In most of the practical casting operations, it is important to be able to cast large number of part with one single melt. Therefore, when quantity of the charge and melting crucible is increased, during casting process, ... -
Characterization of the Effect of Melt Treatments on Melt Quality in Al-7wt %Si-Mg Alloys
Uludağ, Muhammet; Cetin, Remzi; Dispinar, Derya; Tiryakioglu, Murat (Mdpi Ag, 2017)The effects of degassing, holding time and melt additions (Sr, Sr + Ti, Ti, B and B + Sr) on the quality of A356 melts were examined. A total of 120 reduced pressure test samples were collected. Pores in these samples were ... -
Characterization of the effect of Sr and Ti on liquid quality in Al8Si3Cu
Uludağ, Muhammet; Dispinar, D.; Tiryakioğlu, M. (Springer International Publishing, 2019)Al8Si3Cu alloy was studied to investigate the effect of casting conditions on melt quality of the molten metal. While Sr and Ti master alloys were used as additional parameters, holding time was performed for effect of ... -
The Effect of Bifilm and Sr Modification on the Mechanical Properties of AlSi12Fe Alloy
Uludağ, Muhammet; Gurtaran, M.; Dispinar, D. (Polska Akad Nauk, Polish Acad Sciences, 2020)The microstructure of Al-Si alloy has coarse silicon and this structure is known dangerous for mechanical properties due to its crack effect. Sr addition is preferred to modify the coarse silica during solidification. ... -
EFFECT OF DEGASSING AND GRAIN REFINEMENT ON HOT TEARING TENDENCY IN Al8Si3Cu ALLOY
Uludağ, Muhammet; Cetin, Remzi; Dispinar, Derya; Tiryakioglu, Murat (Springer International Publishing Ag, 2018)The effect of melt quality on hot tearing susceptibility of Al8Si3Cu alloy was examined under six different conditions, by using a traditional T-shaped mold. Grain refinement was carried out by two different modifiers: ... -
Effect of quenching mediums on mechanical properties of Al-Cu alloy
Uludağ, Muhammet; Gurtaran, M.; Dispinar, D. (Stowarzyszenie Techniczne Odlewnikow Polskich/Polish Foundrymen's Association, 2018)[No abstract available] -
The effect of SR modification and Ti grain refinement on the mechanical properties of A356
Uludağ, Muhammet; Dispinar, D. (Stowarzyszenie Techniczne Odlewnikow Polskich/Polish Foundrymen's Association, 2018)[No abstract available] -
The effects of degassing, grain refinement & Sr-addition on melt quality-hot tear sensitivity relationships in cast A380 aluminum alloy
Uludağ, Muhammet; Cetin, Remzi; Dispinar, Derya; Tiryakioglu, Murat (Pergamon-Elsevier Science Ltd, 2018)Hot tearing tendency of A380 with various element additions (Sr, Sr + Ti, Ti, B and B + Sr) was investigated. Constrained rod casting (CRC) hot tearing test method was used to characterize the hot tearing sensitivity. ... -
Efficiency of Ti addition in A356 alloy under different holding time
Uludağ, Muhammet; Gurtaran, M.; Dispinar, D. (Stowarzyszenie Techniczne Odlewnikow Polskich/Polish Foundrymen's Association, 2018)[No abstract available] -
Experimental and Statistical Analysis of Effect of Si Modification and Grain Refinement on Tensile Properties of A356 Alloy
Uludağ, Muhammet (Gazi Universitesi, 2021)The focus point of recent research on light metal castings has been on the effect of casting quality on the material properties and maximizing the quality is the most important factor toward obtaining the best properties ... -
Experimental and statistical analysis of low velocity impact response of filament wound composite pipes
Gemi, Lokman; Kayrici, Mehmet; Uludağ, Muhammet; Gemi, Dilek Soylu; Sahin, Omer Sinan (Elsevier Sci Ltd, 2018)Nowadays, filament wound composite pipes (GRP) are used as a structural element in many applications such as natural gas and oil transmission lines, and portable bridge constructions for military purposes. GRP pipes can ... -
Freezing Range, Melt Quality, and Hot Tearing in Al-Si Alloys
Uludağ, Muhammet; Cetin, Remzi; Dispinar, Derya (Springer, 2018)In this study, three different aluminum-silicon alloys (A356, A413, and A380) that have different solidification morphology and solidification ranges were examined with an aim to evaluate the hot tearing susceptibility. ... -
Influence of Al-B grain refiner on porosity formation of directionally solidified Al-Si alloys
Uludağ, Muhammet (Springer Singapore Pte Ltd, 2020)This work aims to present a perspective for porosity formation in three different alloys: A356, A413 and A380.1 by taking into account the addition of Al-B grain refiners: AlTi(5)B(1)and Al3B. The directional solidification ... -
Investigation of casting quality change of A356 by duration in liquid state
Uludağ, Muhammet; Gurtaran, M.; Dispinar, D. (Springer International Publishing, 2019)This study aims to investigate how casting quality change in aluminum melt during the holding period in liquid state. 10 kg of ingot was melted in a SiC crucible by using an electrical furnace. A sample was taken every ... -
Investigation of the efficiency of grain refiners on the hot tearing in Al8Si3Cu alloy
Uludağ, Muhammet; Çetin, R.; Dispinar, D. (Stowarzyszenie Techniczne Odlewnikow Polskich/Polish Foundrymen's Association, 2018)[No abstract available] -
Observation of Hot Tearing in Sr-B Modified A356 Alloy
Uludağ, Muhammet; Cetin, R.; Dispinar, D. (Polska Akad Nauk, Polish Acad Sciences, 2017)In this work, T-shaped mould design was used to generate hot spot and the effect of Sr and B on the hot tearing susceptibility of A356 was investigated. The die temperature was kept at 250 degrees C and the pouring was ... -
ON THE INTERPRETATION OF MELT QUALITY ASSESSMENT OF A356 ALUMINUM ALLOY BY THE REDUCED PRESSURE TEST: THE BIFILM INDEX AND ITS PHYSICAL MEANING
Uludağ, Muhammet; Cetin, Remzi; Dispinar, Derya; Tiryakioglu, Murat (Springer International Publishing Ag, 2018)The oxide layer on liquid aluminum serves as a protective property to prevent the alloy from further oxidation. However, it has the potential to be a source of porosity when entrained into the bulk of the liquid. For this ... -
Relationship Between Machinability, Microstructure, and Mechanical Properties of Al-7Si Alloy
Uludağ, Muhammet; Yazman, Sakir; Gemi, Lokman; Bakircioglu, Baris; Erzi, Eray; Dispinar, Derya (Amer Soc Testing Materials, 2018)In this work, commercially available Al-7Si alloy was used, and the microstructure was modified by the additions of AlSr15, AlTi5B1, and Al3B. Cylindrical samples were cast into a sand mold and the machinability of the ... -
A Statistical Assessment of Casting Quality-Tribological Properties of Eutectic Al-12Si Alloy: Effect of Mg
Uludağ, Muhammet (Springer, 2020)This work was carried out to evaluate the relationship between casting quality and wear properties of Al-12Si eutectic alloy with various Mg contents. Mg additions were selected as 0, 2, 3, and 4 wt.%. A permanent die ...
