Zobrazeno 1 - 10
of 16 833
pro vyhledávání: '"hardness test"'
Autor:
Deviyanti Pratiwi, Richentya Feiby Salim, Tansza Permata Setiana Putri, Akhmad Endang Zainal Hasan
Publikováno v:
Dental Journal, Vol 57, Iss 3, Pp 172-177 (2024)
Background: Glass ionomer cement (GIC) is a dental material often used in clinical practice. However, its use is limited due to its drawbacks. Natural resources such as propolis have been used to mainly enhance GIC’s antibacterial properties, but o
Externí odkaz:
https://doaj.org/article/4888f7b719114d02a97ad8fa32657e7e
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 621-633 (2024)
Hastelloy C276, known for its high temperature strength and corrosion resistance, is essential in the manufacture of medical devices and aerospace components. This study developed a micro-controlled GTA welding technology capable of precisely welding
Externí odkaz:
https://doaj.org/article/b8b6c8daace945e9b8f1707ffc2c2a41
Publikováno v:
Heliyon, Vol 10, Iss 15, Pp e35259- (2024)
This research investigates the production of Cu-SiCw composites by using gas pressure infiltration method and the production of Al/Cu-SiCw composite by using the cold rolling method. The layers were bonded by three rolling reductions of 40 %, 50 %, a
Externí odkaz:
https://doaj.org/article/54568805df5e4e3f89f16c51b372386f
Autor:
Harish K. Garg, Shubham Sharma, Rajesh Kumar, Alakesh Manna, Shashi Prakash Dwivedi, Mohamed Abbas, Abhinav Kumar, M. Ijaz Khan, Yashwant Singh Bisht
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3267-3285 (2024)
The main goal of this research is to meet the demanding need for developing lightweight materials with improved properties that are appropriate for several engineering applications. The investigators proceeded to considerable efforts to assess the me
Externí odkaz:
https://doaj.org/article/69805c7cd17144c0a12d00225a796742
Autor:
Sagar Kumar Murmu, Somnath Chattopadhayaya, Robert Cep, Ajay Kumar, Ashwini Kumar, Shambhu Kumar Mahato, Amit Kumar, Priya Ranjan Sethy, K. Logesh
Publikováno v:
Frontiers in Materials, Vol 11 (2024)
This study investigates a novel methodology to intricately craft a HAMMC and thoroughly examine its multifaceted mechanical and tribological characteristics. By combining silicon carbide (SiC) and fly ash as reinforcements, a unique identity is besto
Externí odkaz:
https://doaj.org/article/4317a887a2074abfb71b6815675a0c4a
Publikováno v:
Journal of Dental Materials and Techniques, Vol 12, Iss 4, Pp 175-179 (2023)
Objective: This study aimed to compare the surface microhardness of a nanohybrid and a microhybrid resin composite light-cured at two different distances.Methods: A total of 40 disc specimens were prepared for this in vitro experiment; 20 from a nano
Externí odkaz:
https://doaj.org/article/38cb012d722f4079a4d1369fc01df87d
Publikováno v:
Материалы по археологии и истории античного и средневекового Причерноморья, Iss 15, Pp 102-120 (2023)
Курган № 1 раннесакского периода в могильнике Кызылжартас (Карагандинская обл., Республика Казахстан) исследован в 2020 году. В основании
Externí odkaz:
https://doaj.org/article/b9cc2fbfd50b45dd8601f2f45862c114
Autor:
Long Chen
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 68, Iss No 3, Pp 881-886 (2023)
CrCuFeNi2Tix high-entropy alloys (HEAs) (x = 0.1 ~ 0.7) are prepared and studied in this paper to investigate the effect of titanium on the microstructure, phase composition, and mechanical properties of the CrCuFeNi2Tix-based system. Microstructural
Externí odkaz:
https://doaj.org/article/acd8d36efc534b96b4c6a7161301c40f
Autor:
Amanda Palmeira Arruda Nogueira, Renata Grazziotin-Soares, Adriana Marques Mesquita Leal, Sérgio Alves Guida Freitas Júnior, Bruna Laís Lins Gonçalves, José Bauer, Meire Coelho Ferreira, Ceci Nunes Carvalho
Publikováno v:
Dentistry Journal, Vol 12, Iss 7, p 201 (2024)
Background: Antibiotic pastes used as intracanal medication in cases of revascularization therapy might cause negative effects on tooth properties, such as a reduction in dentin microhardness. This in vitro study investigated dentin microhardness in
Externí odkaz:
https://doaj.org/article/89d8c9d0ed064f30a44affc1651696e3
Autor:
Siriboina Sirisha, C Vinay, Rama Krishna Alla, KS Uloopi, Penmatsa Chaitanya, Nadella Chandana
Publikováno v:
Journal of Clinical and Diagnostic Research, Vol 17, Iss 7, Pp ZC01-ZC04 (2023)
Introduction: Bulk Fill (BF) resins and Ormocers are recently introduced composite restorative materials in order to overcome the disadvantage of polymerisation shrinkage exhibited by most of the conventional resin-based composites. Aim: To evaluate
Externí odkaz:
https://doaj.org/article/3f85c9cd54bf4d4dbc87117412f6fd3d