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Concrete autogenous shrinkage phenomenon would adversely affect the mechanical properties and durability of concrete, this phenomenon is important.
Impact Factors of Autogenous Shrinkage Autogenous shrinkage of concrete is impacted by cement mineral components and the degree of hydration.
Curing conditions will also affect the Autogenous shrinkage, such as curing temperature, humidity, etc..
Further study of factors autogenous shrinkage of high performance concrete results, as well as multi-factor interactions.
Autogenous shrinkage deformation properties such as creep, creep combine research, volume stability analysis of the concrete structure in the actual project.

This study investigates the laser surface hardening (LSH) process as a method to enhance surface properties, emphasizing the influence of varying laser power levels on microstructural and mechanical outcomes.
The demand for AHSS grade 980 is primarily driven by their exceptional mechanical properties, including high yield strength and tensile strength.
Martensite contributes significantly to its mechanical properties, including superior strength and hardness.
Heat accumulation could be another factor affecting the depth and width of MZ and HZ.
[9] Aqida, S.N., et al., Thermal fatigue properties of laser treated steels.

However, the addition of nanoparticle in the MMC to improve its mechanical properties is not unconditional.
To achieve positive gain by adding nanoparticles in the MMCs, all the influencing factors should be taken into consideration.
There are number of factors controlling this issue as discussed hereafter: Critical size of nanoparticles.
Effect of nanoparticles on physical and mechanical properties of MMC Microstructure.
Failure mechanisms It is well-known that mechanical properties of the particle reinforced MMCs are strongly affected by local events such as voids nucleation at the reinforcement/matrix interface, fracture of the reinforcement, initiation and propagation of matrix shear slip bands and the linkage of these local damage and interfacial de-cohesion [9].

The experiments show that: polishing pressure, Grinding disc speed, the texture and hardness of polishing pad and abrasive particle size are the main factors to affect the surface quality.
Aluminum alloy mobile phone shell chemical composition and mechanical properties are shown in Table.1, process parameters are shown in Table.2 and experimental conditions are shown in Table.3.
The experimental results and analysis Under these conditions, Combined with the chemical composition and mechanical properties of aluminum alloy were analyzed.
Influence of polishing parameters on machined surface roughness 4.1Influence of polishing pressure on machined surface roughness Keeping other factors constant, changing the size of the polishing pressure, have a significant impact on the machined surface.
Thus, under the conditions of the other factors constant, the control polishing pressure between 0.2 N/cm2 and 0.6 N/cm2 allows filling polishing liquid between the polishing base plate and the artifacts, and the abrasive particles are crushed thinned to expose a new surface and sharp, favorable chip rolling treatment of the machined surface, thereby forming a good machined surface. 4.2Influence of polishing pad on machined surface roughness The polishing pad is the important part in the mechanical polishing process, the polishing pad must have a good corrosion resistance, hydrophilicity and mechanical properties.

Further simulation and analysis affect of parts of structural changes on the damping characteristics.
Fig.4 Number of compression valves The thickness of the valves of the shock absorber is also an important factor of the mathematical model of the shock absorber, it can affect the working property of the shock absorber.
Measurement of Dynamic Properties of Automotive Shock Absorbers for NVH.
[5] R.Sonnenburg, A.Stretz, Dynamic properties of automotive damper modules.
Mechanical Systems and Signal Processing.

Ingredients of friction composite were considered as factors or parameters and % volume for each factor was varied at 2 levels.
When the average effect of the ingredient increases due to the changing of factor from Level 1 to Level 2, it means that the ingredient affect strengthening of flexural properties of composite.
On the other hand, when the average effect of the ingredient decreases due to the changing of factor from Level 1 to Level 2, it means that the ingredient affect weakening of flexural properties of composite.
Glass fiber and cast iron chip affect on strengthening of flexural properties of composite.
Conversely, NBR rubber affects on weakening of flexural properties of composite.

As the applied energy density transpires as a decisive parameter, a variation leads to significant changes in UTS and endurance limit, whereas an adjustment of scan-speed and laser power at a constant energy density do not affect the mechanical properties.
Against this background, we report on a comprehensive study of process parameters, affecting static and dynamic mechanical properties, as well as the impact of ambient temperature on the components load capacity.
Furthermore, the mechanical properties are characterised at different ambient temperatures, evaluating the ultimate tensile strength at different application conditions.
The components structure is highly affected by the applied energy density, as the heat input determines the melting quality and subsequently the mechanical properties of the PA-12 components [6].
At first, the applied energy density can be determined as a decisive factor, regarding the component quality and the mechanical load capacity.

Xu 1 1 School of Mechanical Engineering, DUT, Dalian 116023 P.R.
The research results show that plasma spraying is suitable for the production of metal-ceramic parts of any size with special mechanical and thermomechanical properties, which can realize the contemporary integration of forming and machining.
Enthalpy is related to the gas property.
Fig. 6 Powder feeding method Both in-flight behavior and heating characteristic of particle are the key factors of affecting the quality of formed parts.
Epoxy resin possesses such merits as good flowing property, strong binding power, high adhering strength, small solidification contractility, a good mechanical property etc, and can be mixed with solidifing agent, modifier and a variety of filling materials to make up reinforcing materials with different properties.

Soil direct shear test was conducted to analyze the relationship between shear strength indices and the influencing factors.
Those studies focus on two aspects: 1) The influence of soil physical, chemical, and mechanical properties on slope disintegration[2]; 2) Ecological restoration patterns for slope disintegration area[3-5].
However, differences and factors of shear strength of soils in slope disintegrations need to be further studied.
Soil mechanical behavior and its factors of the different slope disintegration are analyzed using direct shear tests.
Results and Analysis 1) Shear Strength Indices and Factors Water content in four soil layers of the two slope disintegrations is shown in Tab.1.

Firstly the changes in microstructure that will affect the mechanical properties of the nano-scale ceramic materials are investigated as the nano-ceramic tools are compared with the monolithic ceramic tools.
Secondly the effect of microstructure on the mechanical properties is discussed.
Introduction It is well known that ceramic materials exhibit outstanding mechanical and thermodynamic properties and these properties are highly relevant to the microstructure.
It is necessary to design and improve the microstructure of composite according to the requirements in mechanical properties.
Effect of Microstructure on Mechanical Properties of Nanocomposite Compared with the monoclinic ceramic material, the mechanical properties of nano-composite have been improved remarkably due to a change in microstructure, which also induces a new toughening and strengthening mechanism of intragranular structure.