Results 31 to 40 of about 36,063 (292)
Chemical analysis and Vickers hardness of orthodontic mini-implants
Brazilian Journal of Oral Sciences, 2015 Orthodontic mini-implants are used in clinical practice to provide efficient and aesthetically-pleasing anchorage. Aim: To evaluate the hardness (Vickers hardness) and chemical composition of miniimplant titanium alloys from five commercial brands ...
Christiane Cavalcante Feitoza +5 more
doaj +1 more source
Microstructure Characteristics in the Interface Zone of Gray Cast Iron Solid State Bonds [PDF]
Engineering and Technology Journal, 2014 In the present study, gray cast iron was diffusion bonded under air atmosphere and in inert environment (argon). In air it was carried out at the temperatures of 700, 750, 800, 850, and 900 °C under UN pressing load of 1 and 2 ton for 15, 30 and 60min ...
Awfa Abdul-Rassol Abdullah +1 more
doaj +1 more source
Hardness relationship between eNM3A10 and conventional hardness scales
Measurement: Sensors, 2021 Small ball rebound hardness eNM3A10 is a next-generation rebound hardness test with features not existing in conventional rebound hardness tests: reduced mass effect of hardness and satisfying the similarity rule of hardness (Minimum thickness of steel ...
Takashi Yamamoto +2 more
doaj +1 more source
Mechanical Assessment of CAD/CAM Fabricated Hybrid Ceramics: An In Vitro Study
Applied SciencesThe current study aimed to compare the mechanical properties of CAD/CAM fabricated hybrid ceramic restorative materials. The current study assessed the mechanical properties of additively and subtractively manufactured CAD/CAM fabricated hybrid ceramic ...
Khalid K. Alanazi +7 more
doaj +1 more source
Influence of pre-deformation on the precipitation of Cu-rich clusters in RPV model steel
MATEC Web of Conferences, 2018 The effect of pre-deformation on the precipitation process of Cu-rich clusters in reactor pressure vessels (RPV) model steel is studied. In this research, Fe-1.16wt%Cu binary alloy is selected as RPV model steel to simulate the precipitation process of ...
Tan Zhaozhao +4 more
doaj +1 more source
Highly processable bulk metallic glass-forming alloys in the Pt–Co–Ni–Cu–P system [PDF]
, 2004 Highly processable bulk metallic glass alloys in the Pt–Co–Ni–Cu–P system were discovered. The alloys show low liquidus temperature below 900 K, excellent processability with low critical cooling rate reflecting in maximum casting thicknesses in quartz ...
Johnson, William L., Schroers, Jan
core +1 more source
Wasit Journal of Engineering SciencesNano-indentation test is the most popular hardness testing method because it can correlate to other materials' mechanical properties and is used in a narrow area or for materials with plastic deformation resistance that Vickers hardness cannot represent.
Ammar Dawood Ghali Al-Rubaye +2 more
doaj +1 more source
Fracture and Structural IntegrityUltrasonic fatigue at an operating frequency of 20 kHz was conducted on thermally treated clay bricks at 500, 750, and 1000 °C with a holding time of 5 h, using a three-point bending setup to assess their fatigue endurance.
Hipólito Magdiel Venegas Montaño +4 more
doaj +3 more sources
Thermal exchange effects on steel thixoforming processes [PDF]
, 2010 Steel thixoforging is an innovative semi-solid forming process. It allows the manufacturing of complex parts and minimises the forming load. This work aims to identify and characterise the main feature zones of a thixoforging part.
BECKER, Eric +2 more
core +6 more sources
Abrasive wear behaviour of 27MnB5 steel used in agricultural tines [PDF]
, 2020 Understanding the wear mechanisms in wear parts is a crucial element of tribological investigation, particularly in agricultural applications where the knowledge about abrasive micro-mechanisms of soil engaging tools are limited. In the current research,
De Baets, Patrick +5 more
core +2 more sources