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Browsing by Author "Kumruoğlu, Levent Cenk"

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Determination of Feederless Casting Limits by Thermal Analysis in Cast Iron

S. O. Erturk; Kumruoğlu, Levent Cenk; Özel, Ahmet (POLISH ACAD SCIENCES INST PHYSICS, 2017)

In this study the determinations of melt quality was carried out by thermal analysis of ductile iron. The aim of the study was to determine the limits of feederless casting after the determination of inoculation quality ...
Elektrolitik plazma teknolojisi ile çeliklere uygulanan yüzey modifikasyon işlemleri

Kumruoğlu, Levent Cenk (Sakarya Üniversitesi, 2012)

Bu çalışmada, endüstriyel olarak yaygın kullanılan AISI 1040, AISI 4140, EU 1.2333 ve AISI 316 L çelik malzemelerinin, elektrolitik plazma teknolojisi kullanılarak, yüzey özelliklerini iyileştirmek amaçlanmıştır. Çalışma ...
Lamel grafitli ve küresel grafitli dökme demirlerde karbon eşdeğerinim mekanik özellikler ve mikroyapıya etkisinin incelenmesi

Kumruoğlu, Levent Cenk (Sakarya Üniversitesi, 2003)

ÖZET Anahtar kelimeler: Karbon eşdeğeri, Lamel grafitli dökme demir, Küresel grafitti dökme demir Döküm endüstrisinde kullanılan dökme demirler en önemli malzemelerden birisidir. Düşük maliyetle üretilen dökme demirler iyi ...
Lamel grafitli ve küresel grafitli dökme demirlerde karbon eşdeğerinim mekanik özellikler ve mikroyapıya etkisinin incelenmesi

Kumruoğlu, Levent Cenk (Sakarya Üniversitesi, 2003)

ÖZET Anahtar kelimeler: Karbon eşdeğeri, Lamel grafitli dökme demir, Küresel grafitti dökme demir Döküm endüstrisinde kullanılan dökme demirler en önemli malzemelerden birisidir. Düşük maliyetle üretilen dökme demirler iyi ...
Surface Modification of AISI 4140 Steel Using Electrolytic Plasma Thermocyclic Treatment

Kumruoğlu, Levent Cenk; Özel, Ahmet (TAYLOR & FRANCIS INC, 2010)

Surface modification of AISI 4140 steel has been carried out by using electrolytic plasma thermocyclic treatment (EPTT). Cyclic voltage between 320 and 250 for stipulated period of 1, 2, 3, 4 s and 2, 3, 4, 5 s, respectively, ...
Surface Modification of Medium Carbon Steel by Using Electrolytic Plasma Thermocyclic Treatment

Kumruoğlu, Levent Cenk; Özel, Ahmet; Mimaroğlu, Abdullah (TAYLOR & FRANCIS INC, 2009)

In this work, using the electrolytic plasma thermocyclic treatment technique (EPTT), surface modification of medium carbon steel was carried out. The EPTT system was set as industrial scale. Na2CO3 was used as electrolyte ...
Surface Modification of Medium Carbon Steel by Using Electrolytic Plasma Thermocyclic Treatment

Kumruoğlu, Levent Cenk; Özel, Ahmet; Mimaroğlu, Abdullah (TAYLOR & FRANCIS INC, 2009)

In this work, using the electrolytic plasma thermocyclic treatment technique (EPTT), surface modification of medium carbon steel was carried out. The EPTT system was set as industrial scale. Na2CO3 was used as electrolyte ...
The Effects of Na2SiO3 Concentration on the Properties of Plasma Electrolytic Oxidation Coatings on 6060 Aluminum Alloy

Ayday, Aysun; Kumruoğlu, Levent Cenk; Kurnaz, Süleyman Can; Özel, Ahmet (SPRINGER, 2012)

In this study, 6060 aluminum alloy was coated by plasma electrolytic oxidation (PEO) process. The effect of sodium silicate concentration (A solution-7.5 g/L-B solution-15 g/L) on various morphological properties and ...