Results 41 to 50 of about 433,589 (289)

New MAX Phase Compound Mo2TiAlC2: First-principles Study

open access: yes, 2016
A theoretical study of Mo2TiAlC2 compound belonging to the MAX phases has been performed by using the firstprinciples pseudopotential plane-wave method within the generalized gradient approximation.
Ali, M. A.   +4 more
core   +1 more source

Elastic contact to a coated half-space - Effective elastic modulus and real penetration [PDF]

open access: yes, 2004
A new approach to the contact to coated elastic materials is presented. A relatively simple numerical algorithm based on an exact integral formulation of the elastic contact of an axisymmetric indenter to a coated substrate is detailed.
A. Perriot   +6 more
core   +4 more sources

Investigation of Laser Ablation and Brush Pre‐Treatments for AlCu Cold Roll Bonding in Oxygen‐Free Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
It is shown that laser ablation pretreatment under oxygen‐free conditions enables copper–aluminium bonding at significantly lower deformation degrees and improved properties compared to mechanical brushing. Laser ablation further increases interface contact area and induces favourable residual stress states and microstructural compatibility ...
Khemais Barienti   +11 more
wiley   +1 more source

Study on the size effect of rock elastic modulus considering the influence of joint roughness

open access: yesFrontiers in Materials
The elastic modulus of rocks is a measure of the ability of rocks to resist elastic deformation. It is related to the size of rocks and can effectively measure the internal physical and mechanical strength of rocks.
Gaojian Hu   +6 more
doaj   +1 more source

Comparative Study on the Test Method for Tensile Elastic Modulus of Rock Materials

open access: yesAdvances in Civil Engineering, 2019
Rock material has different mechanical behaviors under compressive and tensile loading. Correspondingly, there are two types of elastic modulus: compressive elastic modulus Ec and tensile elastic modulus Et, respectively.
Yan Zhang, Dawei Yu
doaj   +1 more source

Measurement of micro-region elastic anisotropy in textured metal by laser-ultrasonics

open access: yesAIP Advances, 2020
Measurement of elastic anisotropy in textured polycrystalline metals is very difficult, especially the nondestructive testing of the elastic anisotropy of micro-regions.
Rongrong Ma   +7 more
doaj   +1 more source

Micro-Raman structural responses of nano-mechanical properties of different coal grades

open access: yesMeikuang Anquan, 2022
The mechanical properties of coal are heterogeneous and in multi-scale. Understanding the coal mechanical properties and structure in nano-scale is the key to know the fracturing transformation and crack expansion mechanisms of coal reservoirs.
HAN Yating, SUN Beilei
doaj   +1 more source

Characterization of Nitinol Produced by Laser Powder Bed Fusion for Mechanical Metamaterial Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Stabilization of L‐PBF Ni50.7Ti49.3 under low‐cycle loading was investigated. Recoverable strain after cycling was dependent on the amount of applied load. Recovery ratio was 53.4% and 35.1% at intermediate and high load, respectively. The maximum total strain reached 10.3% at a high load of 1200 MPa.
Ondřej Červinek   +5 more
wiley   +1 more source

Experimental study on LBL beams [PDF]

open access: yesMATEC Web of Conferences, 2019
Six specimens were made and tested to study the mechanical properties of LBL beams. The mean ultimate loading value is 68.39 MPa with a standard deviation of 6.37 MPa, giving a characteristic strength (expected to be exceeded by 95% of specimens) of 57 ...
Zhao Chenjie   +18 more
doaj   +1 more source

Elastic properties of highly anisotropic thin poly(propylene) foams

open access: yes, 2004
In this letter, elastic properties of highly anisotropic cellular poly(propylene) films are reported. The material shows peculiar elastic properties compared to other foams in the literature. The data is displayed as the relative Young's modulus $E^*/E_s$
Badiche   +41 more
core   +2 more sources

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