Results 31 to 40 of about 1,862,685 (344)

INDENTATION SIZE EFFECT OF HEAT TREATED ALUMINUM ALLOY

open access: yesActa Metallurgica Slovaca, 2019
The aim of the submitted work is to study the influence of applied  loads ranging from 0.09807 N to 0.9807 N on measured values of micro-hardness of heat treated aluminum alloy 6082. The influence of applied load on a measured value of micro-hardness was
Jozef Petrík   +4 more
doaj   +1 more source

The effect of different insertion techniques on the depth of cure and vickers surface micro-hardness of two bulk-fill resin composite materials [PDF]

open access: yes, 2017
The aim of this study was to evaluate the Vickers surface micro-hardness and the depth of cure of two bulk-fill resin composites and one incremental-fill resin composite.
Abou Elenein, Karim   +2 more
core   +2 more sources

Micro-hardness of Acrylic Resin utilized for Provisional Crowns: Effect of different polymerization techniques and pH-Cycling

open access: yesBrazilian Dental Science, 2013
Objective: This study aimed at evaluating the micro-hardness of an acrylic resin used for provisional crowns. Materials and methods: Five different processing techniques (direct and indirect) were assessed: (I) auto polymerizing resin in sandy stage ...
César Augusto Zanlorenzi Nicodemo   +3 more
doaj   +1 more source

Thermal stability of laser treated die material for semi-solid metal forming [PDF]

open access: yes, 2009
This paper presents laser surface modification work performed to improve the lifetime of die materials. Die material AISI H13, with typical hardness in the range of 42 to 48 HRC, offers high wear and corrosion resistance.
Aqida, S.N.   +4 more
core   +2 more sources

Investigation of Micro Hardness, Cooling Rate and Microstructure of ATIG Welded samples of Al-SiC composite

open access: yesMATEC Web of Conferences, 2018
Activated TIG welding has been performed on Al – 8% SiC composite 5mm plate with various fluxes such as Al2O3, MnO2, CaO, MgO, SiO2 & TiO2, to study & analyze the Microstructure, Micro hardness and cooling rate.
Pichumani Sivachidambaram   +2 more
doaj   +1 more source

Optimization of Micro-Alloying Elements for Mechanical Properties in Normalized Cast Steel Using Taguchi Technique

open access: yesArchives of Foundry Engineering, 2017
In this study, Taguchi method is used to find out the effect of micro alloying elements like vanadium, niobium and titanium on the hardness and tensile strength of the normalized cast steel.
Chokkalingam B.   +4 more
doaj   +1 more source

Nano and Micro indentation studies of bulk zirconia and EB PVD TBCs [PDF]

open access: yes, 2004
In order to model the erosion of a material it is necessary to know the material properties of both the impacting particles as well as the target. In the case of electron beam (EB) physical vapour deposited(PVD) thermal barrier coatings (TBCs) the ...
Dyer, A.   +2 more
core   +1 more source

The contribution of 211 particles to the mechanical reinforcement mechanism of 123 superconducting single domains [PDF]

open access: yes, 2003
Hardness and fracture toughness of Dy-123 single-domains were studied by Vickers micro-indentation. A significant anisotropy of the mechanical properties was observed. Hardness tests give higher values when performed in (001) planes rather than in planes
Ausloos, M.   +7 more
core   +2 more sources

On the Load Dependence of Micro-Hardness Measurements: Analysis of Data by Different Models and Evaluation of Measurement Errors

open access: yesArchives of Metallurgy and Materials, 2016
The influence of applied loads between 0.09807 N and 0.9807 N on measured values of micro-hardness was evaluated by Meyer’s index n, proportional specimen resistance model (PSR) and Hays – Kendall methods, Total Dispersion Zone and Analysis of Variance ...
Petrík J.
doaj   +1 more source

Influence of Si and Ge Microalloying Additions and Plastic Deformation on Precipitation Processes in Al-Cu Based Alloys [PDF]

open access: yes, 2018
The combined effect of micro-alloying with Si and Ge and/or plastic deformationprior to ageing at 160˚C on age hardening has been studied in an Al-2 at%Cu alloy.
Castro Riglos, Maria Victoria   +1 more
core   +1 more source

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