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Introduction The plain carbon steel such as S45C is widely used for the mechanical parts such as the automotive parts.
It is well known that the surface roughness is one of the most important criteria for the mechanical parts in CNC turning.
Several factors affect the surface roughness such as the machining parameters, the cutting tool properties, the workpiece properties, and the cutting phenomena [1].
The feed force (Fy) is most sensitive to the surface roughness and the main force (Fz) is affected by the cutting conditions [8].
The cutting conditions may affect the tool wear and the cutting temperature.

Investigation into High-speed/super-high Speed Grinding Yali Hou1,a, Changhe Li1,b and Guoyu Liu2,c 1School of Mechanical Engineering, Qingdao Technological University, 266033 China 2Inner Mongolia University for Nationalities, Tongliao, 028042, China ahouyalichina@163.com, bSy_lichanghe@163.com, cliuguoyutliao@126.com Keywords: High-Speed/Super-High Speed Grinding; High Efficiency Deep-Cut Grinding; Quick-Point Grinding Abstract.
The factors affecting grinding are complex.
With CBN abrasive wheel to grind steel parts at 200m/s, the layer with surface residual stress has the depth less than 10μm; (6).The excellent properties of superhard abrasive, such as high hardness and high wearability, can be fully exhibited, and high-temperature brazing-metal bonded wheel is presently a novel abrasive wheel for super-high speed grinding; (7)It is a latest grinding technique capable of achieving high efficiency and high precision simultaneously as well as performing machining on various materials and shapes.
Besides, the tool-setting precision of abrasive wheel against workpieces as well as freeing wheel affects the precision of workpiece size and the dressing quality of abrasive wheel.
The laws of wheel properties, technical parameters and grinding fluid affecting grinding-debris removal, grinding force, grinding temperature and wheel abrasion are to be studied.The brittleness under extremely high strain rate and the grinding-debris removal mechanism of plastic materials as well as surface integrity evaluation and relevant control techniques are to be investigated.High-speed/super-high speed parameter optimization and database are to be established;The wheel abrasion law under high speed is to be studied.

Aimed to the problem of excavation and stability for a high and steep rocky slope, with the design excavation height of 90.23m, this paper grasped the engineering geological conditions and physical and mechanical properties of rock mass by such following methods as the field engineering geological survey, measuring, drilling sampling and laboratory test.
High slope deformation evolution is the dynamic system has something to do with time, because of the large excavation area and wide influence, which more easily appear damage under the outside factors such as rainfall [3-5].
Physical and mechanical parameters are mainly based on the slope engineering geological exploration results and combined with the structure of rock mass damage and weathering degree and referring to the literature value of similar projects, calculation parameters is shown in Table 1-2.
The shear stress was adjusted to the excavation slope angle concentrated at, and the plastic zone is formed in the excavation at the foot of the slope produce more pull cracks, is shown in Fig.4(c). (2)Due to the height of slope excavation is larger, unloading loose zone along the structural plane into banded distribution, loose plasmodium has the trend of decline destruction, is shown in Fig.4 (b).Slope during construction or after project completion inevitably will be affected by groundwater infiltration, groundwater will become one of the main factors to control the slope stability.
Under the action of groundwater influence factors such as the slope stability cannot be guaranteed.

One fiber stain measure and control system has been designed to meet the problem that the magnitude and uniformity of the fiber strain directly determine the properties and longevity of the carbon fiber continuous sucker rod during the pultrusion process.
Among these parameters, the homogeneity of fiber strain will directly affect the distribution uniformity of fiber in CFR rod body's cross section and determine CFR rod body's tensile strength and longevity, so it has to be controlled and adjusted accurately.
Not only because of the traction force of pulling and extruding the CFR is very strong, but also requires the strain measure and control system couldn't generate oversized additive load, further more, the traction force has high-frequency time variation owing to affected by various factors during the producing process, the sensor, that used to measure the fiber strain and designed base on fiber micro-bend principle, must be extra small, very good in frequency response characteristics and sensitivity.
The fiber strain sensor have been developed is one micro silicon pressure sensor[12] which using Silicon film as sensitive element which with good mechanical property and fabricated with Silicon integrated circuit technology and three dimensional processes.
Moreover, it has merits of quick response, small fluctuation of torque and rotational speed, high position accuracy, good mechanical characteristics and good lineation of regulative property etc.

The data acquired by the monitoring system are generally influenced by external factors.
Then the data obtained from the dynamic SHM system have been investigated with the purpose also to investigate the influence of the thermal effects on the dynamic properties of the masonry monuments.
For historical buildings, generally composed of massive masonry walls, the temperature is typically the external factor mainly affecting the structural response.
Finally, it has to be noted that the data acquired by the extensometers and long base deformeters often present some irregularities (spikes) probably related to their high sensitivity to additional external factors (rain, snow, cloud…).
Gasparini, “the Dynamic Properties of the Asinelli Tower in Bologna,” 2014, no.

The structure of polyureas was characterized and thermal properties were measured by TGA and DSC.
Introduction In the last years, polyurea is one of the most versatile polymer material for their good mechanical properties, utilized in a variety of industrial parts, building materials, adhesives and coatings[1-3].
This fast reactivity leads to the fact that curing of polyureas is not affected by moisture or temperature.
We discussed the main factors to the polyurea properties including formula and reaction conditions.
Thermal properties of these polyurea are shown in Table 1.

The investigation results revealed different grain refinement kinetics during CCDP and distinct mechanical behaviours after CCDP for both alloys.
(c) central area of the CCDP-sample where the specimens were cut out for microcharacterization and mechanical tests.
Microcharacterization and mechanical testing.
Since the mean spacing of dislocation forest (that is corresponding to the l* in equation 2) can be scaled to the grain size, therefore, the SRS of Al-1.5Mn alloy is mainly affected by the grain size but is weakly dependent upon the precipitates.
Gottstein, in: Aluminium Alloys - Their Physical and Mechanical Properties, Vol. 1, p. 842-848, edited by J.

Sensitivity analysis of landing condition parameters is needed for researching on the affect of landing responses.
(2) Confirmed the probability density function of random factors, and supposed all of the factors were independent mutually
(3) Each random factors created random numbers in the interval of [0,1] （3） Where is the number of variables, .
It is the most typical DOE with reasonably uniform sampling point distribution property.
As can be seen from the Figure 2(c), when the horizontal velocity is low, the acceleration is less affected by gradient.

Through judicious control of reinforcing solid particulate phase, selection of matrix and suitable processing technique, composites can be prepared to tailor the properties needed for any specific application.
The effects of individual control factors are assessed by calculating the response and the results of response analysis lead to the conclusion that factor combination of A1, B2, C4, D3 and E3 gives the minimum wear rate as evident from Fig. 2.
In this work, a statistical method is implemented to correlate the control factors.
Factors like BFS content, impact velocity, erodent temperature, impingement angle in declining sequence are significant to minimize the erosion rate.
The size of the erodent is identified as the least significant control factor affecting the erosion rate of such polymer composites.

Subtrate and ink properties play the main role to achieve the best quality of printing which has solid line width of below 20µm.
The knowledge gap in contact mechanism, ink spreading mechanism and other important factors are still under further development.
The properties of the screen-printed vertical graphene film were obtained with low turn on field, high maximum current density, and large field enhancement factor.
From the printed image patterns observation, the factors which influence the defected patterns will include the ink properties, substrates, machine processes parameters and interfacial phenomena between the rolling contact [2].
Dujardin, "Production, properties and potential of graphene," Carbon, vol. 48, pp. 2127-2150, 2010.