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ANOVA revealed that neither the main factors nor the interaction significantly affected the measured values.
With this, biodegradable plastics especially those from renewable resources have attracted much interest because of desirable properties such as biocompatibility, biodegradability and natural abundance. [1] However, these polymers are of inferior properties in terms of strength and dimensional stability.
Significant parameters which gave the better result were chosen, while insignificant factors were kept constant [6].
The specimen dimensions followed the ASTM Standard Test Method for Tensile Properties of Thin Plastic Sheeting (D882-10).
(a) dry thickness measurements (b) % diameter shrinkage of the polymer blend films Mechanical Properties by Uniaxial Tensile Test.

Microstructure is a important index of soil physical, mechanical and engineering properties, SEM images and computer image processing technology make the soil microstructure research developing rapidly in recent years, but the researches on the influence factors and important degree are rare.
Introduction Microstructure is one of the important index of soil, it can reflect formation conditions, and it also has important implications on soil physical, mechanical and engineering properties.
Information obtained by SEM analysis of the structural characteristics of the soil and its correlation with the physical and mechanical properties, is a core issue in today's microstructure and micro soil mechanics.
Regardless of soil in which research based on SEM will be affected by many factors of human and objective conditions.
There are few studies on these factors impact on soil structure and the impact of the weights.

Microstructure of high strength aluminum alloy have determinant effect on the properties, thus an effort has been made to investigation the relationship between fracture toughness and quantitative characteristics of microstructure in high strength aluminum alloy.
It was shown that percentage of recrystallization was a crucial factor for the fracture toughness, and correlations were established with proper and reasonable correction.
Mechanical properties including yield strength and plan strain fracture toughness were tested with standard tensile specimen of L orientation and compact tensile specimen of L-T orientation, respectively.
Yield strength and fracture toughness were tested in this study as key mechanical properties.
Effect of hot deformation conditions on grain structure and properties of 7085 aluminum alloy.

The mechanical properties of unidirectional M40J/epoxy composites, prepared by molding process, were studied.
Introduction Adhesively bonded composite repair is a method to resume the mechanical properties of the cracked structure by bonding with composite patches.
Results and Discussion 3.1 Properties of M40J/Epoxy Composite.
The unidirectional M40J/epoxy composite exhibits marvelous mechanical properties, as shown in Table 1.
Moreover, both cure cycles and bonded methods are important factors of the effectiveness of the repaired specimens.

The manufacturing of aeronautic parts with high mechanical properties requires the use of high performance materials.
State of the art for hot machining The low machinability of titanium alloys is mainly due to its mechanical properties.
With increasing temperature, mechanical properties of all materials decrease (figure 1).
Mastered residual stresses (excessive value ones generate a fractured surface) improves the mechanical properties of the material.
In this case, there are irreversible microstructural changes affecting the mechanical properties of the material.

They found that the size, shape and content of the porogen in the molding mixture greatly affect the physical properties of the final porous sample.
Porous UHMWPE has porous structure, the mechanical properties is not as strong as normal UHMWPE.
But compare to other factors, the effect of thickness of porous layer is very small and negligible.
On the other hand, high porosity decreases the mechanical properties, consequently the tribological properties also markedly decrease.
Thickness of porous layer has little effect on the tribological properties of porous UHMWPE.

Introduction Level fluctuation is the main factor of bonding breakout, the unreasonable flow field in the Mould distribution is one of the important reason inducing level fluctuation.
Based on the focal point, ignoring some secondary factors, making following hypothesis for the liquid steel flow field in the mold: (1) Don’t think about the shell’s distribution, It is produced by flow field distribution; (2) It is stable distribution under normal draw speed, this flow field is steady state , none of the business with time; (3) Liquid steel’s Thermodynamic Properties is constant; Thermodynamic Properties and boundary conditions Based on 1530℃, the Thermodynamic Properties that relates to calculation: Liquid steel density is 7200kg/m3;liquid steel viscosities is 0.0062kg/(m﹒s).
The selection of calculation scheme For arguing how the submerged nozzle output angle affects liquid steel flow field, the following output angles are adopted: downward 16°(now is used) , downward 13°, downward8°, 0°.
Actually the factors which affect Flow Field in the Mold include draw speed, submerged nozzle(outlet position) , outlet style and so on, among them draw speed is the most important factor.
The cross-section 1800×250mm is completely different, injecting flow strike the wall directly, It will appear two obvious flow, flow condition will seriously affected by mold wall.

Concerning the ecological sizing, the key factors such as size property, sizing recipe as well as technique parameters known as sizing regain, moisture regain, elongation regain, squeezing pressure, viscosity of size glue, solid content and other factors has been discussed.
Performance of sizing film The experiment of the mechanical properties of sizing film are shown as table 2 Table 2 Performance of sizing film of size in experiment ITEM PR-Su CP-L PVA-1799 PAM Phosphate Ester Starch Breaking strength /N.mm-2 29.81 38.86 28.7 29.2 36.95 Breaking elongation/ % 3.39 7.36 258.97 284 3.99 Abrasion resistance/mg.cm-2 0.291 0.709 0.467 0.347 0.583 Bending endurance 1259 1409 ＞10000 2000 136 Hygroscopicity/ % 17.66 15.55 9.27 6.74 7.3 Shown by table 2, we can make the conclusion that PR-Su and CP-L, Phosphate Ester Starch of ecological size is better than or close to PVA in term of breaking strength and abrasion resistance, but their breaking elongation is inferior to that of PVA and PAM, the hygroscopicity of PR-Su and CP-L is much higher than PVA , PAM and Phosphate Ester Starch, meaning the former are favor to be affected by humidity of environment.
Since the single ecological size is reluctant to meet the requirement of warp sizing particularly for the fine fabric with high density in term of mechanical properties, it is inevitable for the current ecological size to be mixed with other various size ingredient and auxiliaries. 3.
Trauter1 Investigation on Changesin Physical and Technological Properties of Water Soluble Sizing Agents During the Ultrafiltration Process Part Ⅰ〔J .
Trauter1 Investigation on Changes in Physical and Technological Properties of Water Soluble Sizing Agents During the Ultrafiltration Process Part Ⅱ〔J 〕.

These factors also have an influence on the functioning of the micro forming system and the quality of the micro formed material in terms of forming system stability, deformation load, dimensional accuracy, deformation defect, surface finish, and mechanical properties of the deformed microparts [11].
Due to its small size, the properties of the material are being affected which can affect the adhesion, friction, and wear behavior of the material [64].
Geiger, Influence of microstructure on the mechanical properties and the forming behavior of very thin metal foils, Int.
Zagar, Characterization of mechanical and thermal properties of thin Cu foils and wires, Sens.
Weiss, A study of the mechanical and fatigue properties of metallic microwires, Fatigue Fract.

The mechanical and physical properties of metallic composites with aluminium matrix and alumina particles as complementary material have made them a good candidate for automotive, aerospace and many other applications.
Components properties The need for new materials lead to a continuous development of composites materials.
As a definition, a composite material is a mix of two or more elements of which properties complement each other, resulting a material with superior properties comparatively with ones of the components.
The wettability of a solid by a liquid is determined not only by the thermodynamic characteristics of the system, such as solubility, but also by external factors like working atmosphere conditions or impurities [3].
Nogi, Critical factors affecting the wettability of α-alumina by molten aluminium, Journal of the American Ceramic Society 87 (2008) 2151-2159