Investigation of metallurgical properties of Al-Si-Mg casting alloys with integrated computational materials engineering for wheel production

Autor: Tuğçe Yağcı, Ümit Cöcen, Osman Çulha, Elvan Armakan

Publikováno v: Revista de Metalurgia, Vol 59, Iss 1 (2023)

In this study, integrated computational materials engineering, which is one of the new generation approaches in materials science, was used in the production of aluminum alloy wheels by low pressure die casting method. In casting alloys, the efficien

Externí odkaz: https://doaj.org/article/c95aa056e9b446e3bb19882bd54be980

SU ALTI DALIŞ MOTİVASYONU: DEMOGRAFİK VE DENEYİMSEL ÖZELLİKLER BAKIMINDAN DEĞERLENDİRİLMESİ

Autor: Osman ÇULHA, Eren GÖNÜL

Publikováno v: Dokuz Eylül Üniversitesi Sosyal Bilimler Enstitüsü Dergisi, Vol 21, Iss 4, Pp 1271-1304 (2019)

ÖZ: Türkiye, su altı dalış için önemli bir potansiyele sahip olmasına rağmen su altı dalışından hak ettiği ilgiyi görememektedir. Söz konusu durumun su altı dalış yapanların ihtiyaçlarının tam olarak anlaşılamamasından kayna

Externí odkaz: https://doaj.org/article/15399339367244c6a5a761e05c4466c5

Effect of the substrate surface and coating powder hardness on the formation of a cold sprayed composite layer

Autor: Ayça Demirer Kahraman, Fatih Kahraman, Osman Çulha, Tuğçe Yağcı

In this study, the powder hardness and substrate surface hardness on the coating formation in the cold spray process was investigated. The AA6082 aluminum alloy hardened by the shot-peening process was used as the base material. Two different metalli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8c97234ebbc181dc906388d9c50f779
https://avesis.deu.edu.tr/publication/details/255f6ceb-1c5a-4860-bd41-9b86f3c07c57/oai

Failure analysis of cardan shaft’s flange yoke fracture occurred during torsional fatigue test

Autor: Onur AKKAŞ, Efe IŞIK, Osman ÇULHA

Publikováno v: Volume: 38, Issue: 2 901-914
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Journal of the Faculty of Engineering and Architecture of Gazi University

Bu çalışmada, ağır ticari araçlarda kullanılan kardan miline ait çatallı flanş birim parçasının torsiyonel yorulma testi sırasında meydana gelen hasarın analizi ve karakterizasyonu gerçekleştirilmiştir. Malzeme bilimindeki üretim-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1440eebfb9a6f48213af0e26a8aa5a5
https://dergipark.org.tr/tr/pub/gazimmfd/issue/72928/976035

Effect of substrate surface preparation on cold sprayed Al-Zn-Al2O3 composite coating properties

Autor: Osman Çulha, Ayça Demirer Kahraman, Fatih Kahraman

Publikováno v: Materials Testing. 61:755-758

In this study, a powder mixture containing Al-Zn and Al2O3 particles on AA6083 aluminum alloy was coated by the cold spray method. In order to investigate the effect of the substrate surface properties on the composite coating structure obtained by t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c5e0ac70ac129e9efbfd52ae3c40f7e
https://doi.org/10.3139/120.111381