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An indentation test is one of the most commonly used experimental techniques to measure the mechanical properties of small-sized components.
These results show us that any appropriate friction coefficient may be used when modelling indentation of single crystal copper without affecting the overall force-displacement response significantly. 5.
Suresh, Determination of elasto-plastic properties by instrumented sharp indentation, Scr.
Komanduri, Combined numerical simulation and nanoindentation for determining mechanical properties of single crystal copper at mesoscale, J.
Chen, Determining plastic properties of a material with residual stress by using conical indentation, Int.

Yahya1,a and Martin Halaj2,b 1Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Slovakia 2Slovak Institute of Metrology, Section of Research and Quality Management, Slovakia a e-mail: Adel_ecc@yahoo.com, be-mail: halaj@smu.gov.sk Keywords: Capability indexes, Accuracy, Machine capability, CMM, Monitoring process.
The indices differ by calculation method, properties as well as by intended use.
A machine capability value gives information of a machine tool’s ability to produce certain product characteristics with no effect from the environment and changes in time; e.g. temperature changes and tool wear In order to minimize and hopefully even eliminate all affecting parameters the machine capability study is performed during a short period of time.
It provides information about the total width of the distribution in proportion to the tolerance with the factor Cm must be ≥ 1.67.

Introduction Titanium (Ti) and its alloys have widely been used in orthopaedic and dental surgery due to it relevant mechanical properties, high corrosion resistance and biocompatibility [1].
However, this method has to perform at high temperature of 550oC and this could be a possible drawback of the study since this could affect to the properties of the implants.
Coating on rough Ti with a bioresorbable layer could provide the surface excellent tissue response and osteoconductivity without interfering the mechanical properties of the implant material.
The important factors for converting CaO to CaCO3 are the presence of water to dissolve the CaO, and the presence of CO2 to produce CO32- , in proportion to Ca2+ to promote the formation of CaCO3.
However, the use of those high temperatures could deteriorate the implant mechanical properties due to coefficient of thermal expansion.

The mechanical behaviour of this material was assessed by carrying out a flexural testing.
The material stiffness was affected by the high modulus of GFRP skin and the core thickness.
This is due to the unidirectional fiber orientation factor loads.
Other factors that influence the decrease of the bending stress is due to the dimensions of the composite sandwich ever greater.
When the core demageThen the ability of the sandwich composite materials to receive the bending stress will be reduced so that the voltage will be suffered by the skin. ability to withstand loads on the skin quite well is due to the nature of the skin tend to be hard and brittle. while the polyurethane elastic properties.

Cho et al[9] have studied the effectiveness of different types of silane treatments on the mechanical properties of kenaf fibers.
The have found that among the three silane coupling agents used, the most effective one for the property improvement was 3-glycidoxypropyltrimethoxy silane (GPS) when it was applied to the kenaf fibers at 0.5 wt% for surface treatment, resulted in the increased interfacial shear strength, flexural, tensile, and dynamic mechanical properties of the both kenaf/PP and kenaf/UPE composites.
Researchers have studied the effectiveness the single fiber pull out test and have found that there were various factors that needed to be controlled to achieve accurate results.
Effect of Fiber Surface Modification on the Interfacial and Mechanical Properties of Kenaf Fiber-Reinforced Thermoplastic and Thermosetting Polymer Composites.
Analysis of fibre structure modification during compounding and its influence on the final properties, Composite Interfaces, 2008, 15(2-3), 111-129, [17] Khalil, H.

In general, because of some factors such as the level of recycling facilities and recycling agent types, our road recycling technology research level is still fragmented (not systematic), the level of renewable technologies is still developing.
Cold in plant recycling with emulsified asphalts material properties is flexible.
In addition, the emulsifier is in the strength and adhesion will occur during the formation of the chemical factors that significantly affect the emulsifying properties of regeneration can be developed larger space.
Surface layer as Recycled asphalt pavement ,Semi-rigid material and asphalt cover type of flexible wrap material can not be used to compare the mechanical index system.
Similarly, to compare with the mechanical index semi-rigid and flexible renewable technology is not very meaningful.

Self-nanocrystallization surface of pipeline steel X80 was obtained by surface mechanical attrition treatment (SMAT).
Due to low tempering temperature of pipeline steel, which is lower than 560℃, the conventional aluminizing, processed at above 900℃ for several to dozens hours, will dramatically deteriorate its microstructure and mechanical properties.
It has been demonstrated that ultrafine grains prepared by surface mechanical attrition treatment (SMAT) [6-10] could obviously accelerate diffusion and chemical reactions on surface by large quantity of grain boundary and high surface energy [11].
These two factors would stimulate the adsorption of active atoms on the surface of as-SMATed pipeline steel X80, which in turn accelerate the wetting and spreading of pack powder.
However, the contribution of chemical reaction and the wetting and spreading of the pack powder to the formation of active [Al] atom is affected each other, so the thickness of as-packed aluminide layer almost has a little change in this range.

The parameters n,m,A1,A2,E1, and E2 are constants dependent on the specific choice of curing kinetic model and material properties.
Also, thermal properties such as specific heat and thermal conductivity as dependent functions of temperature and cure level can be defined in the subroutine UMATHT by the users.
The values of the thermal properties of the three tire compounds were obtained from the hot disk TCA method for the thermal conductivity.
The above properties are summarised in Table 1.
Table 1 Values of material properties used in the simulations.

The interfacial structure and adhesion of TiAl3 and the metal matrix can have significant effects on their performances, but factors which control interfacial properties have not been fully examined because of the experimental complexity.
Interfaces 3.1 Model geometry The ideal work of adhesion (Wad) is a key to predict the mechanical properties of an interface, which is defined as the energy needed to reversibly separate an interface into two free surfaces, neglecting plastic and diffuse degrees of freedom.
The initial configuration is shown in Fig. 1. 3.2 bulk and surface properties of (001) TiAl3 slab To assess the accuracy of our computational method, in particular of the pseudopotentials used, we performed a series of calculations on the bulk properties and (001) surface of TiAl3.
It is known that the adhesion properties of thin films can differ significantly from those of thicker ones.
We also calculated the bulk and surface properties of Al and TiAl3.

In high speed intermittence cutting, the periodic changes in cutting force and centrifugal force affect directly machining stability and the reliability of cutter [3, 4].
High speed milling cutter with indexable inserts is being applied widely, and takes on excellent experiment and demonstration property.
(17) Based on Eq.12 ~ Eq.16, The number of cutter teeth participating in cutting, the rake of cutter, and cutting parameters are important factors affecting the total amplitude of vibration in high speed milling cutter, and the cutter with uneven distribution teeth creates less impact and vibration for process system as the energy is more dispersible.
Conclusions Distribution of cutter teeth and precision of dynamic balance affect directly the vibration and reliability of high speed milling cutter.
Xiao: Chinese Journal of Mechanical Engineering, Vol. 42 (2006), pp. 46