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of 23
pro vyhledávání: '"Nursel Altan Özbek"'
Autor:
Nursel Altan Özbek
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 9442-9456 (2020)
This study investigated the effects of the cryogenic treatment on cutting tool performance in the turning of AISI H11 steel. In the experiments, TiCN/Al2O3/TiN-coated tungsten carbide tools were used. Shallow cryogenic treatment was applied for 6 h a
Externí odkaz:
https://doaj.org/article/81f5b43b1df643bc9bd7aa2e96e923f4
Autor:
Nursel Altan Özbek
Publikováno v:
Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Vol 8, Iss 2, Pp 1650-1660 (2020)
Bu çalışmada, AISI H11 sıcak iş takım çeliğinin tornalanmasında kriyojenik işlemin kesici takım performansı üzerine etkileri araştırılmıştır. Deneylerde TiAlN+TiN kaplı tungsten karbür takımlar kullanılmıştır. Kesici takıml
Externí odkaz:
https://doaj.org/article/241b440a47bf45f7918807b61b3c6d30
Autor:
Nursel Altan Özbek, Erdem Saraç
Publikováno v:
Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Vol 7, Iss 3, Pp 1574-1586 (2019)
Islah çelikleri, kimyasal bileşimleri özellikle karbon miktarı bakımından, sertleştirilmeye elverişli olan ve ıslah işlemi sonunda belirli bir çekme dayanımında yüksek tokluk özelliği gösteren, alaşımlı ve alaşımız makine imala
Externí odkaz:
https://doaj.org/article/1fad923e848a4b6393a19320a6d47a16
Autor:
Nursel ALTAN ÖZBEK
Publikováno v:
Gazi Journal of Engineering Sciences. 9:100-107
Autor:
Nursel Altan Özbek, Onur Özbek
Publikováno v:
Materials Testing. 64:1809-1817
This study investigated the effects of shallow and deep cryogenic treatment on the microstructural and mechanical properties of Sverker 21 tool steel. After conventional heat treatment, shallow cryogenic treatment at −80 °C for 2, 12, and 24 h and
Autor:
Erdem Saraç, Nursel Altan Özbek
Publikováno v:
Materials Testing. 64:832-841
The AISI 4140 and AISI 4340 tempered steels are widely used in industry. This study investigated the effects of the tempering temperature on the mechanical properties of these steels. The steels were kept at 850 °C for 30 min, left in an oil environ
Autor:
Nursel Altan Özbek
Publikováno v:
Journal of Materials Engineering and Performance.
Publikováno v:
Volume: 7, Issue: 2 143-151
Gazi Mühendislik Bilimleri Dergisi
Gazi Mühendislik Bilimleri Dergisi
The cryogenic treatment, known as holding materials at sub-zero temperatures, is a method used to improve the properties of metal and non-metallic materials in recent years. This method is mainly applied to tool steels used in mold making. In our cou
Publikováno v:
Journal of Materials Engineering and Performance. 30:7783-7795
Good surface roughness and topography are of great importance in plastic mold materials. This study investigated the effects of cutting parameters on cutting temperature, vibration (g), surface roughness (Ra), and noise (N) in the turning of AISI P20
Autor:
Nursel ALTAN ÖZBEK, Erdem SARAÇ
Publikováno v:
Gazi Journal of Engineering Sciences. 7:17-25