Results 31 to 40 of about 381,300 (337)

Evaluation of Wear Mechanisms of an Aluminum Alloy in Emergency Applications [PDF]

open access: yesArchives of Metallurgy and Materials
Aluminum-silicon alloys have become a popular choice for applications in the automotive and aerospace industries and have proven themselves through their fault-tolerant processability and respectable static properties at comparatively low costs.
M.G. Minciuna   +3 more
doaj   +1 more source

Black anodic coatings for space applications: study of the process parameters, characteristics and mechanical properties [PDF]

open access: yes, 2009
Black inorganic anodized aluminium alloys are used for managing passive thermal control on spacecraft and for avoiding stray light in optical equipment.
Arurault, Laurent   +4 more
core   +3 more sources

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Evaluation of the Quality of Coatings Deposited on AZ31 Magnesium Alloy Using the Anodising Method / Ocena Jakości Powłok Wykonanych Na Stopie Magnezu Az31 Metodą Anodowania

open access: yesArchives of Metallurgy and Materials, 2015
The paper presents results of a study on the quality of coatings deposited on surfaces of AZ31 magnesium alloy products. In order to obtain protective coatings (corrosion and erosive wear protection), the methods of anodising (specimens A, B and C) and ...
Wieczorek J.   +4 more
doaj   +1 more source

Experimental and numerical study on scratching test [PDF]

open access: yes, 2013
This paper presents recent investigation of the material removal mechanism in single grit grinding test. Single grit scratches were generated experimentally by using CBN grit on En24T steel and compared with numerical simulation by using finite element ...
Chen, Xun, Öpöz, Tahsin
core  

MULTILAYER COATINGS Ti/TiN Cr/CrN AND W/WN DEPOSITED BY MAGNETRON SPUTTERING FOR IMPROVEMENT OF ADHESION TO BASE MATERIALS [PDF]

open access: yes, 2017
The paper deals with evaluation of single and multilayer layer PVD coatings based on Cr and Ti widely used in tool application. Additionally, W and WN based coating which are not so widespread were designed and deposited as functionally graded material ...
Cvrček , Ladislav   +5 more
core   +1 more source

Effects of velocity-slip and viscosity variation in hydrostatic step-seal [PDF]

open access: yesJurnal Tribologi, 2018
In this work, a new scratch test method - multi-pass dual-indenter scratch test - is used to estimate the abrasion resistance of C120 steel. This steel is used in the moulds manufacture for injection of plastic materials filled with glass fibres that are
Lucian Capitanu   +2 more
doaj  

Surface Analysis of 3D (SLM) Co–Cr–W Dental Metallic Materials

open access: yesApplied Sciences, 2020
The surface condition of the materials involved in dentistry is significant for the subsequent operations that are applied in oral cavity. Samples of Co–Cr–W alloy, obtained through selective laser melting (SLM) 3D printing, with different surface states
Elena-Raluca Baciu   +7 more
doaj   +1 more source

Friction Analysis on Scratch Deformation Modes of Visco-Elastic-Plastic Materials [PDF]

open access: yes, 2012
Understanding of abrasion resistance and associated surfaces deformation mechanisms is of primary importance in materials engineering and design. Instrumented scratch testing has proven to be a useful tool for characterizing the abrasion resistance of ...
Budi , Setiyana   +3 more
core  

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

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