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It has been established in our previous study that superconductive properties of MgB2 depend on the amount, size and distribution of higher borides inclusions (the finer the MgB12 inclusions and the larger amount of them, the higher jc) [1].
It was shown [10] that MgB12 reflexes can be absent in the X-ray pattern due to weak diffraction signals because of a low X-ray atomic scattering factor of boron.
In our opinion both MgB12 and Mg-B-O inclusions can positively affect pinning in MgB2.
Mechanical properties of samples with near-MgB12 stoichiometry differ from those with MgB2: their Vickers microhardness (HV) was twice as high as that of MgB2 (25±1.1 GPa and 12.1±0.8 GPa, respectively, at a load of 4.9 N).
The final conclusion concerning possible superconducting properties of MgB12 will be made after the TEM study.

High nitrogen stainless steels with excellent mechanical and corrosion resistance properties is focused on to develop a new class of engineering material.
Introduction High nitrogen stainless steels, particularly high nitrogen austenitic stainless steels becoming an increasingly important new class of engineering material, because their mechanical and corrosion resistance properties are surprisingly improved by the addition of nitrogen to them[1].
Up to now, people have achieved lots of knowledge on the melting technology, properties and microstructure.
In the paper, nitrogen solubility behavior in liquid and solid stainless steels, nitrogen alloying kinetic factors, and nitrogen behavior during the solidification of high nitrogen stainless steels have been discussed to develop high nitrogen stainless steels in a large scale in China.
Speidel, “Properties and Applications of High Nitrogen Steels” in High Nitrogen Steels, Foct J, Hendry A, eds.

However, due to the advancement of additive manufacturing (AM) and the development of new materials, AM appears as a disruptive technology capable of recovering the dynamic profile and improving surface properties such as hardness and wear resistance.
Liu et al. [8] explore the factors that affect hydro turbines' fatigue life, arranged into four main groups: material, structure, loading, and operating related conditions.
Several characterization techniques were used: liquid penetrant, magnetic particles, scanning electron microscopy (SEM), and surface properties such as hardness and roughness were evaluated.
Borges, “Microstructure and mechanical properties of ASTM A743 CA6NM steel welded by FCAW process,” Mater.
Gao, “Influence of energy density on metallurgy and properties in metal additive manufacturing,” Mater.

Introduction Applications of structural ceramics have grown considerably utilizing their unique properties such as light weight, high chemical and wear resistance, high temperature stability, etc.
In this paper, mechanical properties of Al2O3-BN ceramics which should affect their machinability are presented for the composites containing different amounts of BN.
Material properties of Al2O3-BN ceramics The starting powders were α-Al2O3 (α-crystal phase>95%, average particle size, 0.3 µm), and hexagonal BN (>99% pure, 10 µm, High Purity Chemical Co.
The material properties of Al2O3-BN workpieces were shown in Fig. 3, and they illustrate flexural strength effect, Young's modulus effect, and fracture toughness and hardness.
Conclusions Important mechanical properties of Al2O3-BN composites for machinability were identified and presented.

The factors which impact extraction efficiency such as extraction temperature, extraction time, sample dilution multiple and ionic strength were optimized.
Representation of SWCNTs coating’s structure and test of extraction properties: Shown in Fig.1 is the SEM micrograph of SWCNTs coating which indicated that the SWCNTs coating evenly adhered to the stainless steel wire surface.
Results and Discussion The optimization of SPME operation procedure The extraction results depend not only on the properties of the probe coating but also on the extraction mode, agitation condition, extraction time, pH value, ion intensity and desorption condition, etc.
In this study, the above factors were optimized with the standard water sample of 50µg·L-1 octylphenol.
The working life of the SWCNTs probe: Many factors might affect the working life of the SWCNTs probe, mainly including the high desorption temperature damage to the coating, the extraction solution flush effect on the coating and mechanical friction damage, etc.

The physicochemical properties of metals and alloys in the nanoscale range can exhibit a strong size dependence [1].
They may also exhibit specific thermodynamic, optical, electrical, magnetic, and even biological properties.
Apparently, factors affecting the glass transition temperature for nanoalloy include the initial configuration and segregation of the atomic system, since the alloy components surface properties differ.
Zhan, The effects of the size of nanocrystalline materials on their thermodynamic and mechanical properties, Nanoscale Res.
Ferrando, Structural properties of nanoclusters: Energetic, thermodynamic, and kinetic effects, Rev.

This may affect any of the numerous characteristic properties normally associated with metal engineering structures.
Obviously a nominally identical type of metal sheet can have strongly varying mechanical properties concerning both static and cyclic characteristics.
It was also shown that the potential for work hardening during the fatigue lifetime of an austenitic steel depends strongly on two factors.
A temperature reduction can, for example, favour the evolution of martensite in the material during forming, enhancing its mechanical and cyclic properties.
References [1] SEP 1240: Testing and Documentation Guideline for the Experimental Determination of Mechanical Properties of Steel Sheets for CAE-Calculations, Stahlinstitut VDEh 1st Edition, (2006) [2] L.F.

Static electricity makes original regular warps disorder and adjacent yarns wind each other in weaving process，these bring weaving difficulty and affect the quality of the product，moreover, static electricity has potential security risks if electrostatic phenomenon is serious.
（1）Using high hygroscopic fibers Using natural or synthetic fibers with high hygroscopicity to produce pure textiles，such as cotton，wool，viscose fiber，etc，In order to improve hygroscopicity of textiles and reduce the adverse effects of electrostatic phenomena，enterprise can use natural or synthetic fibers with high hygroscopicity to blend or interweave with chemical fibers with poor hygroscopicity，such as polyester，polyamide fiber，acrylic，etc.But this method is greatly influenced by environmental factors，in the low humidity of the air environment，the antistatic effect is not obvious，even will enhance the electrostatic phenomena
The mechanism of antistatic agent has two main types，①antistatic agent can form continuous conductive film after covering and improve the conductive performance.②the good hygroscopicity and directional property are the main factors that influence the antistatic effects of surfactants，hygroscopicity is not dominant role.
There are generally two kinds of methods to manufacture antistatic fibers，①The hydrophilic polar groups are implanted into high polymer for fiber forming through certain methods，such as blending，copolymerization，graft modification，etc；②Durable antistatic fibers are obtained by adding internal antistatic agents to spinning solution. 2.2 Conductive fibers The conductive fibers for textiles have following features：have appropriate fineness，length, intensity；have good flexibility and cohesion，easily blend of interweave with other fibers；have friction resistance，flexion resistance，antioxidant resistance，corrosion resistance and can resist certain mechanical action；do not affect handle and appearance of textiles；have good electrical conductivity and durability.
Metallic series have many advantages，such as good conductivity, good heat resistance，good chemical resistance，but they have some drawbacks too，for example weak cohesive force，poor spinning property，expensive，etc

(6) In the above equation, the values indicated by , and represent weight factors, indicates the normalized yield stress ( is the angle between the uniaxial loading direction and the rolling direction) and is the biaxial flow stress.
The mechanical properties and anisotropy coefficents of AA5042 are given in Table 2.
Mechanical properties of AA5042 [17] Mechanical Properties Poisson’s ratio 0.33 Young’s Modulus 68.9 GPa Stress-strain curve [MPa] 0.354 1.069 1.396 For CPB06ex2 yield criterion, the anisotropy coefficients and with and , are given in Table 3.
It is believed that experimental errors such as eccentricity may affect the number of wrinkles observed [16].
International Journal of Mechanical Sciences 115 (2016) 516-531

This mis-match in mechanical properties and influence on stress re-distribution leads to extremely complication in understanding the mechanisms of failure of a weldment.
These four zones have significantly different creep properties.
Zhao [22] compiling the UMAT for ABAQUS to research factors affecting creep damage accumulation in ASME P92 steel welded joint is a typically try in coding user’s subroutine aspect.
The user can define he own properties and interfaces to FEA- and CFD-programs.
The American Society of Mechanical Engineers Standard Committee, USA.