Results 11 to 20 of about 1,214,867 (266)

Socio-economic Importance of Biomaterials in the Transition to the Circular Economy Model [PDF]

open access: yesSHS Web of Conferences, 2021
Research background: The adoption of the 2030 Agenda for Sustainable Development obliges individual countries to take actions aimed at achieving the seventeen goals of sustainable development.
Wojnarowska Magdalena   +2 more
doaj   +1 more source

Experimental Research on the Influence of Roughness of the Machined Surface of a Part on Galvanization [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
The purpose of this scientific paper is to follow the influence of thermal galvanizing, as a technological process on the quality of the galvanized surface.
Sandor Ravai-Nagy   +4 more
doaj   +1 more source

Effect of Milling Strategy on the Surface Quality of AISI P20 Mold Steel

open access: yesMetals, 2023
This paper explores the impact of various milling strategies, including up-milling, down-milling, and hybrid approaches, on the surface roughness of AISI P20 mold steel.
Adel T. Abbas   +5 more
doaj   +1 more source

The river absorption capacity determination as a tool to evaluate state of surface water [PDF]

open access: yesHydrology and Earth System Sciences, 2018
In order to complete a thorough and systematic assessment of water quality, it is useful to measure the absorption capacity of a river. Absorption capacity is understood as a pollution load introduced into river water that will not cause permanent and
P. Wilk   +2 more
doaj   +1 more source

Study on the Electrochemical Deburring for the External Surface of the Microhole Caused by Mechanical Drilling Process

open access: yesMachines, 2022
To improve the performance of electrochemical deburring for microhole drilling (MD-ECD), the distribution and dynamic change of the current density in the machining area during the electrolysis process were analyzed, and the synchronous change ...
Tao He   +5 more
doaj   +1 more source

Combination of Scanning Strategies and Optimization Experiments for Laser Beam Powder Bed Fusion of Ti-6Al-4V Titanium Alloys

open access: yesApplied Sciences, 2022
This paper studies the effects of different combinations of scanning strategies between layers on the surface quality, tensile properties, and microstructure of samples in a laser beam powder bed fusion (L-PBF) formation experiment of Ti-6Al-4V titanium ...
Wentian Shi   +5 more
doaj   +1 more source

Experimental Study on Surface Integrity of Solar Cell Silicon Wafers Sliced by Electrochemical Multi-Wire Saw

open access: yesMicromachines, 2022
Electrochemical multi-wire sawing (EMWS) is a hybrid machining method based on a traditional multi-wire sawing (MWS) system. In this new method, a silicon ingot is connected to a positive electrode; the slicing wire is connected to a negative electrode ...
Guanpei Bao   +4 more
doaj   +1 more source

Optimizing the Sharpening Process of Hybrid-Bonded Diamond Grinding Wheels by Means of a Process Model

open access: yesMachines, 2021
The grinding wheel topography influences the cutting performance and thus the economic efficiency of a grinding process. In contrary to conventional grinding wheels, super abrasive grinding wheels should undergo an additional sharpening process after the
Eckart Uhlmann, Arunan Muthulingam
doaj   +1 more source

Analysis of 3-DOF Cutting Stability of Titanium Alloy Helical Milling Based on PKM and Machining Quality Optimization

open access: yesMachines, 2022
Aiming at the requirements of titanium alloy holes in aircraft industry, the 3-DOF cutting stability and surface quality optimization of parallel kinematic manipulator (PKM) are studied. The variation of natural frequencies with the end-effector position
Xuda Qin   +5 more
doaj   +1 more source

A Stratified Characterization of Surface Quality of Beech Processed by Profile Milling

open access: yesApplied Sciences, 2023
The evaluation of surface quality after milling still represents a challenge due to the stratified structure of wood. In this paper, the surface quality of beech wood obtained by profile milling was analyzed differentiating between tool marks, fuzzy ...
Luminița-Maria Brenci, Lidia Gurău
doaj   +1 more source

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