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Among the factors that determined the characteristics of the MAO coatings, which included power source, oxidation time, the electrolyte composition and concentration, applied voltage and current density.
So the modifier EDTA-2Na with appropriate content would improve the surface properties of the biological inert ceramic coating.
The modifier EDTA-2Na with appropriate content would improve the surface properties of the biological inert ceramic coating.The introduce of doped EDTA-2Na improved the corrosion resistance properties.
Structure and mechanical properties of magnesium alloy treated by micro-arc discharge oxidation using direct current and high-frequency bipolar pulsing modes [J].
Duo, Influence of phytic acid concentration on coating properties obtained by MAO treatment on magnesium alloys [J].

While the physical and mechanical properties of soil change obviously with the increase of soil depth under different environment, geography and climate conditions.
Even for the same type of soil, distinct differences of physical and mechanical properties as well as heterogeneity will occur when the thickness of soil is larger.
Figure 2 presents the changing curves of degree of consolidation varying with time factor , showing that the consolidation velocity is affected by the variation of coefficients of permeability and compression.
Nonlinear consolidation models of clay with time dependant drainage properties[J].
One- dimension consolidation of soil layer with the soil properties as a power function of depth.

The presence of gas in steel is a problem in terms of quality, by the way how is influenced steels mechanical and technological characteristics.
Current steel making technology allows inclusion of gas content at relatively low value, but under current conditions, it places a great emphasis on the purity of the steel and the superior mechanical and technological properties, secondary treatment is required (ladle metallurgy) and, if possible, even the treatment of liquid steel in vacuum installations.
The negative influence of the hydrogen in the steel is manifested by the following: - it is one of the causes of blowholes and shadows lines appearance in ingots and kill steel castings parts; - contribute to the occurrence of the defect called "flakes" in rolled steel (very small cracks of stellar form) from steels alloyed with chromium and nickel, which substantially reduces the fatigue strength of steel parts; - affect the electric and magnetic properties of steels.
Fig. 1 The amount of nitrogen removed according to the duration of the treatment under vacuum or under high vacuum To take account of two correlation factors, in Fig. 2 is presented the variation of nitrogen removal efficiency (hN), depending on vacuum process duration, respectively high vacuum process.

Dental caries, or tooth decay, is one of the most widespread chronic and multifactorial diseases affecting people worldwide.
Introduction Dental caries is one of the most widespread oral health problems affecting people of all age groups.
Streptococcus mutans possesses a unique integration of properties, making it more cariogenic than other bacteria in the biofilm.
The limitations of these applications were adverse effects on the retention of entire adhesive interfaces and a decrease in mechanical features.
These are factors to consider when using polymerized adhesives.

The purpose of FSP is to modify the microstructure of a material to enhance specific material properties.
This characteristic allowed certain material properties within the weld zone to be improved versus the base metal.
This can be used to improve sealing capability of castings, reduce repair, and improve material properties.
Although the cause of lower ductility results was proven to be a result of abnormal grain growth (AGG), the source or controlling factors for causing AGG were not understood.
In order to understand the controlling factors for AGG, an experimental study was developed that involved FSP over a variety of input parameter conditions with subsequent high temperature heat treatment.

The properties of the scaffolds are dictated concurrently by a number of factors such as kinetics of cell growth, mechanical stresses at the site of implant, the cell–material interactions, and perhaps most importantly, controlled scaffold degradation.
Due to the mechanical, biological and chemical properties of synthetic polymers, such blends can be adequately designed to mimic human tissue.
Physical and Mechanical Properties of Blends Based on Poly (dl-lactide), Poly (l-lactide-glycolide) and Poly (ϵ-caprolactone).
Influence of Plasticizers and Drugs on the Physical-Mechanical Properties of Hydroxypropylcellulose Films Prepared by Hot Melt Extrusion.
Effect of molecular weight on the thermal properties of polycarbonates.

Fig. 1 Device of ultrasonic polishing without abrasives Fig. 2 Mechanical model of processing systems Analysis of the Working Conditions of Tool Head The mechanical model of processing system in the process of ultrasonic polishing without abrasives may be simplified as Fig. 2 when the influence of stiffness of machine tool may be ignored.
While when the resonance caused by various kinds of interference factors in the work piece system and tool system occurs, the tool head will separate from the work piece, and chatter will occur in the surface of the work piece, surface quality will worsen, and the machining process will be unstable
Preload is a constant, while dynamic positive pressure is decided by ultrasonic vibration of tool head and a variety of random factors including random vibration of processing system, fluctuation of surface micro geometry morphology and uneven work piece material, etc.
The processing parameters in the process of ultrasonic polishing without abrasives will affect the surface quality and manufacturing efficiency directly, and leads to the change of metal deformation, friction properties and others, so as to lead to the wear of the tool head.
Acknowledgments Financial supports from Mechanical Engineering First Class Key Discipline of Henan Province, P.

The favorable mechanical properties and compromise between toughness and hardness can be obtained with optimal technology, appropriate heat input and the cooling rate in the temperature range from 600° C to 200° C.
Cooling rate in this temperature range, determine the microstructure formed in the HAZ, and therefore the mechanical properties.
Pass The temperature of the preheating / inter-pass Cooling time t8/5 Cooling time t6/2 The average cooling rate [800° C - 500° C] number [°C] [s] [s] [°C/s] 1 150 24 219 13 2 160 68 263 5 3 160 25 220 12 4 160 26 223 12 Testing of tensile properties was performed to determine the mechanical properties of welded joints.
The test results of tensile properties are given in Table 4.
Madhusudhan Reddy, Effect of welding process consumables on tensile and impact properties of High Strength Quenched and Tempered steel Joints.

Composite pipelines made up of glass fibres reinforced epoxy resins are increasingly used, especially in oil and gas industry, for their good mechanical properties, combined with reduced weight and excellent behaviour under hostile environment conditions.
The conclusions point out the schemes and the optimal parameters of evaluation as well as the application limits of thermographic inspection Introduction Composite pipelines made up of glass fibres reinforced epoxy resins are increasingly used, especially in oil and gas industry, for their good mechanical properties, combined with reduced weight and excellent behaviour under hostile environment conditions.
In order to solve the differential equation of the thermal conduction in a particular situation it is necessary to know the real conditions of process development, which determine the univocity of the process: geometrical conditions, which describe the dimensions and shape of the body; physical conditions, which include the material thermal properties, initial conditions, which establish the body temperature in the initial moment, boundary conditions of first type, which establish the temperature distribution at the body surface related to time ; boundary conditions of the second type, which refer to the time variation of the thermal flux density at the heat exchange surface; and boundary conditions of the third type, which establish the manner of heat exchange between the solid material surface and the environment.
To identify the affected zone each sample was divided in some equal sectors, according the equipment field of view.
The inspection was developed with the following parameters: factor of emissivity: 0.9, duration of heat pulse: variable, between 0.2 and 10 s, thermograms registered in the cooling transient process, after 2-5 s until 60 s, maximal contrast: after 10 s

quality control is better, Improve the quality of engineering and construction, Improve floor performance, Easy to control in the factory production of concrete protective layer thickness, Reinforced positioning control, ratio control of the concrete, the density of concrete control, concrete curing conditions, making the durability of the final component, which is the building of life greatly improved; Due to the presence of abdominal rod reinforced, Compared with ordinary laminated slabs of concrete, precast panels with a better overall performance; (2) Shorten the construction period, factory produced, significantly reduce on-site steel banding workload; The construction phase, the construction of prefabricated parts can be used as platforms and end of superimposed layers of concrete mold, elimination of cumbersome template works; The production cycle is short, Convenient on-site construction, Greatly improve the speed of construction, shorten the duration, construction of climate-affected
The structural elements affected by the residual deformation after the load is one of the important indicators to reveal the structure mechanical performance, so the residual deformation in structural tests should be observed structure uninstall structural deformation data recovery capabilities.
For the experimental phenomena and failure modes of treatment options: Can be a connection reinforced by increasing the seams of the reinforcement and anchorage length or lower reinforcement position, Measures to improve the effective height of structure, to make up for the widget in the local carrying capacity. 4 Splice plate bearing capacity factors The test only by increasing the seams connection reinforcement amount and anchorage length measures to improve the bearing capacity of the splice plate, did not consider the seams cross-section is the effective height of the splice plate bearing capacity.
Analysis and calculation to be seen: Seams section effective height is an important factor to affect splicing plate flexural capacity.
Through structural measures to increase the effective height of the cross-section of seams, improve the bearing capacity of the splice plate is feasible. 5 Conclusions Composite Slab static load test, to study the bearing capacity of deformation properties of the cracks to carry out the law is the mechanical characteristics of cross-section, the necessary analysis and test results , and analysis and experimental results were compared:1) Enhance superimposed board reinforcement at the seams and anchoring measures or change Reinforced location to increase the effective height, which not only can effectively pass internal forces, also improve the stitching laminated slabs of carrying capacity, so basically reached the benchmark Slab resistance; 2)Through appropriate structural measures to increase the effective height of the cross-section of seams to further enhance splicing carrying capacity of the composite plate; 3)Rely on a patchwork force transmission, composite panels can be two-way