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Device performance results Given the materials improved properties highlighted in the previous section, we will show in the following section how this enhanced substrate conductivity impacts the SiC power device performances.
Bipolar degradation in 4H-SiC PN diodes and SiC MOSFETs (through the bipolar body diode) has become a significant concern affecting device ruggedness.
Power module reliability of SiC engineered substrate based dies Now looking at the power module integration, the thermo mechanical properties of this new material are driving the reliability of the complete stack.
Polycrystalline SiC used as a receiver for SiC engineered substrates is driving the thermo mechanical properties of the final SiC MOSFET die and will play a crucial role on the die assembly reliability.
Our main hypothesis is that elastics and/or thermoplastics properties of the polycrystalline SiC material are modifying the lifetime model (modification of the Young modulus and/or Morrow model parameters [18]).

This also allows optimization of mechanical properties by enabling the manufacturing of parts with complex structures and lattices at no extra cost.
Where as insufficient heating would lead to incomplete powder fusion and poor mechanical properties of the final product [17].
Fusion of powder particles during laser-powder interaction is also modeled to ease predicting the microstructure and mechanical properties of the SLS product for future works.
Absorption rate of the material as well as particle size distribution and packing density of the powder bed are major factors determining the optical absorption and extinction coefficients of the powder bed.
Table 1: Properties of the powder bed [6][4][24].

Concrete deformation measured under a certain condition in the experiment are very different from those in practical engineering structures, therefore, it’s necessary to monitor concrete properties in structures.
In the paper, by real-time continuous monitoring of reinforcement concrete slab prepared with expansive agent, time-dependent temperature variations and strain variations are obtained and analyzed, and indoor test of the mechanical properties and deformation of field sampling from the slab are presented, so that this completes a transition from the specimen in experiment to the structure in engineering.
The crack will affect the structures’ durability and reliability severely.
Moreover, on-site monitoring data can reveal the actual information of structures’ state, comprehensively reflecting various kinds of factors influencing structural behavior.
According to actual type of structure, properties of raw material and trial mixture in the lab, concrete are prepared with mix proportions shown in Table 1, whose slump is close to 130 mm.

The material is subjected to shearing forces and heat which cause its physical properties to change.
Material properties have a significant influence on the length of the spiral flow, as documented in the Results section below.
Suitable orientation of glass fibers has a significant influence on mechanical properties of the final part, particularly strength and stiffness.
The dependency of the spiral flow length on process parameters Factors, which significantly influence the injection molding process, include melt temperature and injection pressure.
In addition, mold temperature has some influence during filling as well but it is less significant than that of the other factors.

This may be due to little knowledge on the mechanical properties of each of the intermetallic phases.
The slenderness of the coating layer of GA steels (~10 μm) as well as the difficulties in preparing single-phase specimens in bulk form due to the complicated Fe-Zn binary phase diagram have hindered the unveiling of the intrinsic properties of the respective phases.
The micropillar compression test is one of the most suitable methods to investigate the mechanical properties of samples limited in size such as the coating layer of the GA steels.
Possible operative slip systems with the largest values of d/b and Schmid factors for two loading axis orientations for the Γ phase and bcc-Fe.
Parthasarathy, Size-affected single-slip behavior of pure nickel microcrystals, Acta Mater. 53 (2005) 4065-4077.

Introduction One of the main factors causing defects in aluminum castings is the presence of pores.
In general, the influence of pores on mechanical properties is related to their size and shape.
Porosity arises from a combination of two factors: alloy shrinkage and precipitation of dissolved gases.
Porosity has also a deleterious effect on the machinability and surface properties of aluminum castings [1-2].
The thermophysical properties of this alloy are based on values reported previously for thermal conductivities [11] and on the Thermo-Calc software databases.

Modern physics distinguishes three fundamental properties of atomic nuclei: mass; spin and related magnetic moment; volume (surrounding field strength), which are the source of isotope effects.
The elementary particles have intrinsic properties.
Some of these properties such mass and charge are the same for macroscopic objects.
Some are purely quantum mechanical and have no macroscopic analog [1].
Kosyakov, On inert properties in classical theory, Phys.

The latter characterize the thick-wall (>10mm) part for high shock resistance and high optical properties requirement.
Although ICM is a recent developed process, a few researchers have studied its design, process, properties to make it progress on industry application.
Based on the experimental results, some analyses will be conducted to identify the most important factor to influence the part property. 2.
The material properties were summarized in Table. 1.
Table 1 Material Properties of Selected PC Material Properties Value Relative Molecular Mass, Mn 2.03×104 Special Gravity, ρ (g/cm3) 1.196 Melt Flow rate, (g/10min) 8.6 Glass Transition Temperature, Tg (oC) 148 Light Transmission, (%) 89.9 2.2 Parts geometry and mold design The length and width of part1 are 550mm*280mm, and the thick is 4mm, which is typical thin-wall part.

In order to control the properties of the hybrid components, four different tool concepts for the prepreg press technology have been developed and tested.
The semi-finished component with carbon fibre prepregs displays highly diverse properties and thus requires a suitable tool and process design.
In order to validate the linear dependency of the compound properties on the properties of the compound's individual components as a function of the fibre volume content, tests using cured CFRP specimens were conducted for various fibre orientations.
The mechanical part is further split into a volumetric and a deviatoric part.
∂p∂t=kAexp-EARTpα1-pn (11) Some of the parameters used for simulation, like the curing shrinkage αcur and the factors for the prony series G(s,t) and K(s,t), were estimated, and additional experiments are currently in progress to verify them.

Improving the Quality in Deep Drawing of Rectangle Parts Using Variable Blank Holder Force Yuqing Shi School of Mechanical and Automotive Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province 310023, P.R.
The plastic forming of sheet metals processes experience very complicated deformations affected by process parameters such as material properties, the die shape, the blank shape, the BHF, the friction, and so on [1].
The factor ofis determined by test runs to balance the contributions of two parts in the objective function, due to wrinkling is usually at the beginning of deep drawing, in accordance with test runs, while 0.1, it is suitable to restrain the flange from wrinkling during deep drawing, but the smaller the , the larger the blank holder force to be needed, too large blank holder force can cause tearing, therefore, usually equal to 0.1.
Mechanical properties and its parameters of 08Al are indicated as follow: Young’s modulus ()=206.8 GPa, yield stress ()=110.3 MPa, Poisson’s ratio ()=0.3, strength coefficient (K)=537 MPa, strain-hardening exponent (n)=0.21, coefficient of normal anisotropy (r)=0.18.