Results 41 to 50 of about 44,372 (332)

Comparison of Oliver-Pharr and Work of Indentation Approach to Determine the Mechanical Properties of Melt-Spun Al-12%Wt.Si-0.5%Sb Alloy

open access: yesCumhuriyet Science Journal, 2022
In this research, the hardness and reduced modulus of Al-%wt.12-%wt.0.5Sb melt-spun alloy were evaluated by using depth sensing indentation and atomic force microscopy techniques.
Fikret Yılmaz, Semra Ergen
doaj   +1 more source

Investigation of the mechanism of the indentation size effect for titanium

open access: yesMechanical Engineering Journal, 2019
In this study, we investigated the mechanism of the indentation size effect for Ti, whose crystal structure is hexagonal close-packed. Indentation tests were performed for two types of single-crystal Ti with different crystal orientations: (0001) and ...
Shota HASUNUMA   +2 more
doaj   +1 more source

Static Hardness Testing of Cement Mortars Containing Different Types of Recycled Construction Waste Powders

open access: yesSolids, 2021
The present paper deals with the hardness of cement mortars prepared with recycled materials that are potential supplementary cementitious materials (SCM).
Zoltán Gyurkó, Rita Nemes
doaj   +1 more source

Deformation Behavior of La2O3‐Doped Copper during Equal Channel Angular Pressing

open access: yesAdvanced Engineering Materials, EarlyView.
By additions of strengthening elements and/or structure optimization, the mechanical properties of copper can be increased while keeping favorable electric conductivity. By combining addition of La2O3 and processing by equal channel angular pressing, substructure development is achieved, leading to increase in microhardness to more than double the ...
Lenka Kunčická   +2 more
wiley   +1 more source

Evaluation of Mechanical Characteristics of Tribofilm Formed on the Surface of Metal Material Due to Friction under Lubrication with Automatic Transmission Fluid

open access: yesTribology Online, 2021
In this study, nano-scratch tests were conducted using atomic force microscope (AFM) to clarify the hardness of a tribofilm derived from an additive (Fluid A or Fluid B in automatic-transmission fluid) formed on an SKS3 cold work tool steel substrate ...
Takayuki Tokoroyama   +8 more
doaj   +1 more source

Carbon and titanium diboride (TiB2) multilayer coatings. [PDF]

open access: yes, 2004
Titanium Diboride, (TiB2) is a metal-based refractory ceramic material that has been investigated in industrial applications ranging from, cutting tools to wear parts and for use in the aerospace industry.
Cruz, R.   +3 more
core   +1 more source

Influence of Temperature on Scratch and Wear Properties of Technical Thermoplastics: Implications for Material Selection

open access: yesAdvanced Engineering Materials, EarlyView.
The share of technical thermoplastics is expected to grow further in the e‐mobility segment. In this study, a detailed temperature‐based tribological characterization of technical thermoplastics is performed. The tribological properties are discussed in terms of the dynamic mechanical properties of polymers at different ambient temperatures. A proof of
Harsha Raghuram   +2 more
wiley   +1 more source

Investigation of the indentation size effect based on measurement of the geometrically necessary dislocation density by electron backscatter diffraction

open access: yesMechanical Engineering Journal, 2018
In this study, we investigated the mechanism of the indentation size effect based on measurement of the geometrically necessary (GN) dislocation density. The GN dislocation density was measured around impressions by electron backscatter diffraction (EBSD)
Shota HASUNUMA   +3 more
doaj   +1 more source

Practical method to determine the effective zero-point of indentation depth for continuous stiffness measurement nanoindentation test with Berkovich tip

open access: yesScientific Reports, 2022
The zero-point of indentation depth in nanoindentation or depth-sensing instrumented indentation tests should be precisely set to evaluate the indentation hardness and indentation elastic modulus of materials to be tested, especially at shallow depths. A
Diancheng Geng   +4 more
doaj   +1 more source

On Indentation Hardness (2nd Report)

open access: yesTransactions of the Japan Society of Mechanical Engineers, 1952
In this paper, the author intends to describe the results of experiments regarding indentation hardness. These tests were carried out under load smaller than that in the case of the previous report. The depth of indentation was measured by using the method of Newton's ring. The range of load is as follows ; i.e.
openaire   +4 more sources

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