Zobrazeno 1 - 10
of 2 032
pro vyhledávání: '"N Mihailescu"'
Autor:
Muhammad Arif Mahmood, Asif Ur Rehman, Marwan Khraisheh, Metin U. Salamci, Rashid Ur Rehman, Uzair Sajjad, Carmen Ristoscu, Andrei C. Popescu, Mihai Oane, Ion N. Mihailescu
Publikováno v:
Crystals, Vol 14, Iss 9, p 763 (2024)
Additive manufacturing (AM) has profoundly impacted modern engineering and materials science by enabling unparalleled control over microstructures, customization, and material properties [...]
Externí odkaz:
https://doaj.org/article/0a28c9b154c844a1ae22552496471fab
Autor:
Mihai Oane, Bogdan A. Sava, Muhammad Arif Mahmood, Natalia Mihailescu, Sinziana Anghel, Ana V. Filip, Ion N. Mihailescu, Cristian N. Mihailescu, Carmen Ristoscu
Publikováno v:
Heliyon, Vol 8, Iss 11, Pp e11765- (2022)
A novel analytical formalism is proposed based upon Quantum heat transport equation in order to describe the femtoseconds/picoseconds laser pulses interaction with the Deoxyribonucleic acid (DNA). The formalism generates solutions based upon inputs a
Externí odkaz:
https://doaj.org/article/5c2b103bd5804d67b435702725feefee
Autor:
Cristian N. Mihailescu, Mihai Oane, Bogdan A. Sava, Andrei C. Popescu, Mihail Elisa, Muhammad Arif Mahmood, Natalia Mihailescu, Ana V. Filip, Sinziana Andreea Anghel, Ion N. Mihailescu, Carmen Ristoscu
Publikováno v:
Crystals, Vol 12, Iss 8, p 1155 (2022)
A semi-analytical-numerical solution is theorized to describe the laser additive manufacturing via laser-bulk ceramic interaction modeling. The Fourier heat equation was used to infer the thermal distribution within the ceramic sample. Appropriate bo
Externí odkaz:
https://doaj.org/article/be6347cc0e8e4fc0a27263e4e8b22466
Autor:
Luiza Izabela Toderascu, Livia Elena Sima, Stefana Orobeti, Paula Ecaterina Florian, Madalina Icriverzi, Valentin-Adrian Maraloiu, Cezar Comanescu, Nicusor Iacob, Victor Kuncser, Iulia Antohe, Gianina Popescu-Pelin, George Stanciu, Petre Ionita, Cristian N. Mihailescu, Gabriel Socol
Publikováno v:
Nanomaterials, Vol 13, Iss 4, p 621 (2023)
In this study, we report on the synthesis of L-Cysteine (L-Cys)-coated magnetic iron oxide nanoparticles (NPs) loaded with doxorubicin (Dox). The Fe3O4-L-Cys-Dox NPs were extensively characterized for their compositional and morpho-structural feature
Externí odkaz:
https://doaj.org/article/205f0c820ea7445d9029c0a344f1c131
Autor:
Ayushi Rai, Nicusor Iacob, Aurel Leca, Claudiu Locovei, Victor Kuncser, Cristian N. Mihailescu, Andreas Delimitis
Publikováno v:
Inorganics, Vol 10, Iss 12, p 220 (2022)
The structural properties of VO2 thin films, grown on either LSAT or Si substrates by pulsed laser deposition (PLD), are elucidated by means of transmission electron microscopy (TEM) methods. The TEM observations confirmed the successful growth of VO
Externí odkaz:
https://doaj.org/article/cc2d4d7bb6d249028a5de6728172140c
Autor:
Muhammad Arif Mahmood, Andrei C. Popescu, Mihai Oane, Asma Channa, Sabin Mihai, Carmen Ristoscu, Ion N. Mihailescu
Publikováno v:
Results in Physics, Vol 26, Iss , Pp 104440- (2021)
Recent scientific and technological developments demonstrated that laser melting deposition (LMD) could yield near-net-shape parts by additive manufacturing. Under context, it was noticed that the primary operating parameters (i.e., laser power, scan
Externí odkaz:
https://doaj.org/article/af222afb721041fab8559be129f665ad
Autor:
Muhammad Arif Mahmood, Andrei C. Popescu, Mihai Oane, Diana Chioibasu, Gianina Popescu-Pelin, Carmen Ristoscu, Ion N. Mihailescu
Publikováno v:
Results in Physics, Vol 22, Iss , Pp 103880- (2021)
Many of the significant mechanical properties of stainless steel, including ultimate tensile strength, yield strength and hardness, the ductile–brittle transition temperature, and susceptibility to environmental embrittlement, can be improved by gr
Externí odkaz:
https://doaj.org/article/71c16787b9954d44867f8755d2b6925e
Autor:
Irina Negut, Carmen Ristoscu, Tatiana Tozar, Mihaela Dinu, Anca Constantina Parau, Valentina Grumezescu, Claudiu Hapenciuc, Marcela Popa, Miruna Silvia Stan, Luminita Marutescu, Ion N. Mihailescu, Mariana Carmen Chifiriuc
Publikováno v:
Pharmaceutics, Vol 14, Iss 6, p 1175 (2022)
Coatings are an attractive and challenging selection for improving the bioperformance of metallic devices. Composite materials based on bioglass/antibiotic/polymer are herein proposed as multifunctional thin films for hard tissue implants. We deposit
Externí odkaz:
https://doaj.org/article/b3d261ec8d7e4df687de7298564ffb8e
Autor:
Muhammad Arif Mahmood, Asif Ur Rehman, Carmen Ristoscu, Mehmet Demir, Gianina Popescu-Pelin, Fatih Pitir, Metin Uymaz Salamci, Ion N. Mihailescu
Publikováno v:
Nanomaterials, Vol 12, Iss 5, p 802 (2022)
This study presents two analytical models for the laser powder bed fusion (LPBF) process. To begin, the single layer’s dimensions were measured using principal operating conditions, including laser power, laser scanning speed, powder layer thicknes
Externí odkaz:
https://doaj.org/article/28e60d87c8e84d538e7c161cac94ff54
Autor:
Asif Ur Rehman, Muhammad Arif Mahmood, Peyman Ansari, Fatih Pitir, Metin Uymaz Salamci, Andrei C. Popescu, Ion N. Mihailescu
Publikováno v:
Metals, Vol 11, Iss 12, p 2023 (2021)
Powder spattering and splashing in the melt pool are common phenomena during Laser-based Powder Bed Fusion (LPBF) of metallic materials having high fluidity. For this purpose, analytical and computational fluid dynamics (CFD) models have been deduced
Externí odkaz:
https://doaj.org/article/3cf4b5945a074d48a7926a50cde1eebb