نتایج جستجو برای: nano indentation test

تعداد نتایج: 864419  

2008
Qin Zhang John C. Lambropoulos

Due to the nature of their material properties, Calcium Fluoride (CaF2), Magnesium Fluoride (MgF2), and Potassium Dihydrogen Phosphate (KDP) are widely used for industrial purposes. A better understanding of the mechanical properties of these materials is of technological and scientific importance. The indentation nano-mechanical response of CaF2 (cubic), MgF2 (tetragonal), and KDP (tetragonal)...

Journal: :Engineer: Journal of the Institution of Engineers, Sri Lanka 2021

Journal: :Coatings 2022

In this present paper, the mechanical properties of σ-phase and its effect on 304H austenitic stainless steel after servicing for about 8 years at 680–720 °C were studied by nano-indentation test, uniaxial tensile impact test. The results showed that nano-hardness (H), Young’s modulus (E), strain hardening exponent (n), yield strength (σy) 14.95 GPa, 263 0.78, 2.42 respectively. presence increa...

2012
Sean W. King George A. Antonelli Gheorghe Stan Robert F. Cook R. Sooryakumar

As the semiconductor nano-electronics industry progresses toward incorporating increasingly lower dielectric constant materials as the inter layer dielectric (ILD) in Cu interconnect structures, thermo-mechanical reliability is becoming an increasing concern due to the inherent fragility of these materials. Therefore, the need for metrologies to assess the mechanical properties and elastic cons...

2016
H. Ashrafi M. Shariyat

INTRODUCTION Nano-indentation has recently been employed as a powerful tool for determining the mechanical properties of biological tissues on nano and micro scales. A majority of soft biological tissues such as ligaments and tendons exhibit viscoelastic or time-dependent behaviors. The constitutive characterization of soft tissues is among very important subjects in clinical medicine and espec...

Journal: :Nanoscale 2014
Jong G Ok Ashwin Panday Taehwa Lee L Jay Guo

We present a versatile and simple methodology for continuous and scalable 2D micro/nano-structure fabrication via sequential 1D patterning strokes enabled by dynamic nano-inscribing (DNI) and vibrational indentation patterning (VIP) as well as a 'single-stroke' 2D patterning using a DNI tool in VIP.

Introduction: Nano-indentation has recently been employed as a powerful tool for determining the mechanical properties of biological tissues on nano and micro scales. A majority of soft biological tissues such as ligaments and tendons exhibit viscoelastic or time-dependent behaviors. The constitutive characterization of soft tissues is among very important subjects in clinical medicine and espe...

A Darvizeh, A Nouroozi Masir A Zajkani

Discovering the mechanical properties of biological composite structures at the Nano-scale is much interesting today. Top Neck mollusk shells are amongst biomaterials Nano-Composite that their layered structures are composed of organic and inorganic materials. Since the Nano indentation process is known as an efficient method to determine mechanical properties like elastic modulus and hardness ...

Journal: :Journal of the mechanical behavior of biomedical materials 2010
Jingzhou Zhang Michelle M Michalenko Ellen Kuhl Timothy C Ovaert

Indentation tests can be used to characterize the mechanical properties of bone at small load/length scales offering the possibility of utilizing very small test specimens, which can be excised using minimally-invasive procedures. In addition, the need for mechanical property data from bone may be a requirement for fundamental multi-scale experiments, changes in nano- and micro-mechanical prope...

Journal: :International Journal of Mechanical Sciences 2022

A new procedure for identifying the mechanical behavior of individual phases within a bi-material (matrix-particles) is presented. The case AlSi10Mg (large globularized Si-rich particles surrounded by an α-Al phase) processed additive manufacturing and post-treated taken as typical example. Grids nano-indentation tests are performed at different locations on nanocomposite using Berkovich indent...

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