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The distribution of residual stress is one of the basic properties of materials. it has an important effect on the life of molds and dies.
The reasons for the gradient distribution of residual stress Material factors.
Fig. 10 Processing of random function Random factors.
Cutting thermal factors.
Cutting temperatures also affect the crystal grain structure.

Kim 1,d,∗ 1 School of Mechanical Engineering, Sungkyunkwan University, 300 Chunchun-dong, Jangan-gu, Suwon, Kyonggi-do 440-746, Korea a yschang7@skku.edu, bfaithkim99@skku.edu, cboong33@skku.edu, dyjkim50@skku.edu Keywords: Alternative Fatigue Life Evaluation, Motor Operated Valve, Stress Classification Line, Structural Stress Approach, Structural Stress Concentration Factor Abstract: In ASME Sec.
III 'design by code' approach is based on two dimensional finite element analyses incorporating a plastic strain correction factor (SCF), Ke, as optional.
Also, distributed thrust forces induced from internal pressure multiplied by the MOV effective area were acted end of the model for mechanical stress analyses and the outside part of model was treated as adiabatic for thermal stress analyses.
For analyses, the corresponding temperature dependent material properties [8] such as Young's modulus (E), thermal conductivity (K), specific heat (Cp) and thermal expansion coefficient (α) were chosen as well as the constant density (ρ) of 7850 kg/m 3, Poisson's ratio (ν) of 0.3 and assumed heat transfer coefficient (h) of 98.5 W/m 2 ℃.
As a result, most of SCLs satisfied the criteria except for SCL2 and SCL3 which affected by restricted geometries.

Introduction In mining, blasting, earthquakes, rock failure pattern ,strength and breakage are often affected by loading rate.
SHPB apparatus and pulse shaping techniques A SHPB apparatus which 74 mm diameter was used to test dynamic mechanical properties of granite, show as in Fig.1.
That is to say, granite is strain rate dependent materials, the dynamic increase factor for compression(DIFC) is directly depend on the strain rate.
Contrast of DIFC and DIFT for granite Conclusions A 74-mm-diameter SHPB system is used to investigate the compression and tension mechanical properties of granite at high strain rates in the range of 2.3~108.4/s.
An investigation of the mechanical properties of materials at very high rates of loading.

The microstructure and properties such as transmittance and sodium resistance of polycrystalline alumina have improved.
Several programs worldwide [1] on structural ceramics based on silicon have focused on the challenge of improving mechanical properties.
Structural ceramic demands foremost acceptable mechanical properties, whereas optical ceramic requires a threshold light transmission.
Microstructural features such as grain size are widely known to strongly affect mechanical strength and optical transmittance of Al2O3.
Translucent Al2O3 lamp envelopes are anticipated to continue to improve in properties and processing.

Most of the researches about droplets focused on the factors which may affect the droplet formation and break-up process [5, 6].
The pressure of junction point is affected by the blocked dispersed flow and changes with the volume of the blocked flow.
The select two phase liquid and measured values of their properties are shown in Table 1.
It is well known that the flow behavior is greatly influenced by the wetting property of the fluid, and contact angle is reflected by the wetting degree.
Anna: Role of geometry and fluid properties in droplet and thread formation processes in planar flow focusing.

Since the grinding is mainly selected as finishing method that determines the functional properties of a given area, knowledge of the surface quality and influencing factors has critical value.
In one-dimensional tests of significance came out statistically significant effect of all studied factors including their mutual interaction (p = 0.00001).
The Figure 2 presents a designed regression model of influencing factors on the surface roughness Ra after grinding.
In univariate tests of significance came a statistically significant effect of all of followed factors together with their interactions (p = 0.00000), as shown in Figure 5.
For the TPU work material were identified delectations affecting both the dimensional accuracy and also the surface quality.

Ideally, when the erecting system is working, load borne of the two cylinders is the same, both sides of the circuit parameters is symmetrical to ensure the mechanical synchronization.
Research on synchronization control of shunt valve results and actual operation of the system show that, because of the size error of the synchronization valve, rate of flow and other factors, synchronization control precision is difficult to ensure, the ability to adapt to the system parameters is poor, closed-loop synchronization control must be used when high precision synchronization control is required [1].
When the system is running, the piston rod maybe working out of sync because of friction, load and other factors, then the flow rate of the two hydraulic cylinders can be adjusted to make the piston rod synchronized according to output signal of synchronization controller.
Performance indicators was established according to the geometric properties of the error of control process by Marisik and Strejc, adaptive PSD (proportion, sum, derivative) control law without identification was proposed, the parameters of the object does not need identify in this method, an adaptive closed loop control system can be formed.
Among them, symbolic function can be used instead of to simplify the calculation of b0, because it is a common factor when the weighting factor is changing, the most important is its positive and negative symbols, changing direction of weighting factor is determined by positive or negative of the symbols, values of the weights only affect the size of the rate of change, and inaccurate calculation formed by the result can be compensated by adjusting learning rate.

In Table 1 are present the real values of technological factors and their coding.
Designation of coding factors and their ranges of value.
Factors' levels Ia, [A] Il, [А] L, [mm] Null, Х0 90 3.5 8 Lower, Х-1 80 0 6 Upper, Х+1 100 7 10 Factors’ Interval, dі 10 3.5 2 In Fig. 1 cylindrical specimens after adhesion strength tests are shown.
The most significant factors are lens and arc currents and their influence on adhesion strength was determined.
Serra, Microstructure and mechanical properties of plasma sprayed alumina-based coatings, Ceram.

UHPC is a modern material with great characteristics and shows all important properties for efficient structural design and construction process.
Its excellent properties of this material make it ideal for usage as an effective and slender construction element with high load-bearing capacity [1].
This property leads to its affinity to water and excellent resistance to harsh environment, especially aggressive defrosting chemicals.
The walls withstand shear forces, without being affected by normal forces caused by prestressing in the top and bottom slab of the box cross-section.
Factors of critical load are calculated for the three cases of UHPC web shape which are designed to have the same weight.

In normal weight concrete, the aggregate strength is not a factor affecting concrete strength because the aggregate is much stronger than the matrix and the transition zone.
The concrete mixture and its measured mechanical properties are shown in Tables 1 and 2, respectively.
The mechanical properties of reinforcement are shown in Table 3.
Compressive strength [Mpa] Splitting strength [Mpa] Elastic modulus [Mpa] Dry performance density [kg/m3] 32.1 4.5 1.95×10 4 1744 Table 2 Mechanical property of RLAC.
Mechanical properties of the reinforcing bar.