Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Ümit Er"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 1, Pp 205-216 (2020)
In this study, AZ91 Magnesium alloy is produced by cold chamber high pressure die casting (HPDC) method. Different combinations of the cold chamber HPDC process parameters were selected as; in-mold pressure values of 1000 bar and 1200 bar, the gate s
Externí odkaz:
https://doaj.org/article/288d8b9abe924f34aa3b66eb638e37ec
Autor:
Hakan ÖKMEN, Ümit ER
Publikováno v:
Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi, Vol 28, Iss 2, Pp 128-135 (2020)
In aviation applications, as in many industrial applications, it is generally desired to have a higher surface quality inside the hole. The surface roughness, surface hardness and strength are the features that determine the surface quality of the ho
Externí odkaz:
https://doaj.org/article/098816d3fc5c460a9de50de77896f3a8
Autor:
Fatih Bozkurt, Ümit Er
Publikováno v:
Arabian Journal for Science and Engineering. 47:16209-16221
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::986db053bc13d66951299b0215be9ef1
https://doi.org/10.1007/s13369-022-06913-3
https://doi.org/10.1007/s13369-022-06913-3
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 117:3503-3513
Shot peening is generally an application that generates compressive residual stress on the surface of the materials and increases the fatigue life of the parts. Traditionally, control of shot-peened parts can only be done in secondary ways. In this s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7225dc43fef2bce10f031bb1a2fa6ddc
https://doi.org/10.1007/s00170-021-07933-3
https://doi.org/10.1007/s00170-021-07933-3
A new approach to monitor wear tracks propagation on-site with electromechanical impedance technique
Publikováno v:
Journal of Intelligent Material Systems and Structures. 33:342-351
Generally, the determination of the wear in the mechanical systems is done by checking the critical components in periodic maintenance or by monitoring the secondary indicators such as vibration, noise, and temperature. These indicators can only be r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2f2a0f435f5e187005cc8d95aebf3ab
https://doi.org/10.1177/1045389x211014951
https://doi.org/10.1177/1045389x211014951
Publikováno v:
Transactions of the IMF. 99:194-202
Austenitic stainless steels are widely used in many sectors, especially in the food processing and chemical sectors, due to their superior corrosion resistance and suitably safe contact with foodst...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7b53a57e075114a40f37df9f79b2e45
https://doi.org/10.1080/00202967.2021.1906542
https://doi.org/10.1080/00202967.2021.1906542
Publikováno v:
International Journal of Engine Research. 23:214-231
This research aimed to investigate the lubricity and wear properties of ultra-low sulfur diesel fuel (ULSD) blended with biodiesel and doped with biodiesel-based organic compounds. In this work, neat n-dodecane served as a surrogate for ultra-low sul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::000e07dc16a4b804e30c006c9e83dc08
https://doi.org/10.1177/1468087420984072
https://doi.org/10.1177/1468087420984072
Autor:
Ümit Ertem
Publikováno v:
Nuclear Physics B, Vol 1007, Iss , Pp 116665- (2024)
Modifications of Dirac operators in supergravity flux backgrounds are considered. Modified spin curvature operators and squares of modified Dirac operators corresponding to Schrödinger-Lichnerowicz-like formulas are obtained for different types of f
Externí odkaz:
https://doaj.org/article/300a07f89c224af2b33e452dad1c97be
Autor:
Fatih Bozkurt, Ümit Er
Publikováno v:
Metal Science and Heat Treatment. 62:405-414
The wear resistance characteristics of AISI 51B60H and 30MnB5 steels with different carbon and boron contents were investigated. The analysis of the microstructure and hardness of steels was carried out. The specific wear rates in the conditions of d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0125cb7a361496cca1a1702e0c924287
https://doi.org/10.1007/s11041-020-00575-4
https://doi.org/10.1007/s11041-020-00575-4
Publikováno v:
Journal of Intelligent Material Systems and Structures. :1045389X2211350
In this study, Inconel 718 and Ti6Al4V alloys were machined using ceramic (WG 300), and carbide (G20M Grade) inserts, respectively. The focused application was grooving. The tool wear was observed with traditional methods and with a new approach, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e25b941bf847ab3c2b22be31ba9c482
https://doi.org/10.1177/1045389x221135027
https://doi.org/10.1177/1045389x221135027