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The influence of the additives on the workability and mechanical properties of epoxy mortar are investigated by using the orthogonal experimental design method in this work, and all the additives can be bought easily from the market.
Such cracks affect the overall appearance and induce seepage.
The influence of the additives on the workability and mechanical properties of epoxy mortar were investigated by using the orthogonal experimental design method in this work, and the additives can be easily bought in the market.
The factors and levels of the orthogonal experiment are shown in Tab. 1.
Tab.1 Factors and levels of the orthogonal experiment factor level a / % b / % c / % d / % 1 30 0 0 0 2 40 5 5 1 3 50 10 10 2 4 60 15 15 3 Tab.2 Results of the orthogonal experiment Property No.

Studies have shown: the braking friction heat is the most direct factor influenced on the variation of physical property, mechanical property and chemical property of automotive brake friction materials.
On the one hand, the braking friction heat will lead to change of material composition and tribological properties in the surface of brake disc.
Friction braking can generate the heat, it seriously affects the physical-mechanical and chemical properties of friction materials, it is also the direct factors which affect the tribological properties and wear mechanism of the friction materials [2].
Braking heat led to uneven wear of the braking surface material, it makes the material in the middle area of the brake pads wear more serious, and led to the composition and frictional properties of the material surface to change.
Automobile friction brake finite element model Thermal analysis of automotive brake friction and subject to many factors, in which, some are the main factors, and others are secondary factors.

Stainless steels are used in aerospace, automotive, marine applications, because of resistant to corrosion and maintaining their mechanical properties over a wide range of temperature.
The machining parameters which are affecting the quality of turning operation, it is necessary to optimize the machining parameters to obtain better productivity.
Stainless steels are used in aerospace, automotive, marine applications, because of resistant to corrosion, high temperature oxidation and maintaining their mechanical properties over a wide range of temperature.
It quantifies all effect of various factors on response and their relation which is called the whitening of factor relation.
Three factors, at three levels were taken for this research work.

The corrosion of reinforcing steel bar is one main factor to affect the duration of concrete structure, which has attracted people’s extensive attention.
There are two important factors to cause the corrosion of reinforcing steel bar [1]: one is carbonization of concrete, and the other is inrush of chloride.
In this paper, the corrosion behavior of reinforcing steel bar HPB235 in concrete structure in 0.5% NaCl solution was investigated, and its mechanical properties were tested before and after corrosion.
The mechanical properties, including yield strength, tensile strength and elongation, are tested by a hydraulic pressure universal testing machine.
Table 3 Mechanical properties of reinforcing steel bar HPB235 Mechanical property Before corrosion Corrosion for 720h Descent rate [%] Yield strength [MPa] 305 292 4.26 Tensile strength [MPa] 422 373 11.61 Elongation [%] 37 32- 13.51 In fact, the corrosion of reinforcing steel bar in concrete structure is an electrochemical process.

Effect of Electrolysis Modes on Physico-Mechanical Properties of Composite Coatings Based on Nickel A.V.
Heat treatment at 800 - 900 0С has a negative effect on the physical and mechanical properties of CEС.
To create CEС with these or other characteristics, it is necessary to take into account a whole set of factors.
In galvanic coatings, it is known that internal stresses (IS) arise which can reach quite high values, which adversely affects the physical and mechanical properties of the coatings, in particular, wear resistance and protective ability decrease.
Physico-mechanical properties of CEC nickel-cobalt-oxide silicon-carbide silicon have been studied.

The tensile elasticity of the fiber web was mainly impacted by the properties of fibers.
Changing the arrangement of fibers and web organization, the mesh structure could be changed after spun-lacing and thus affecting both the longitudinal and transverse elastic recovery property of spun-laced nonwovens.
Further consideration should be taken into the external factors in web forming, such as jet energy, jet hole size, number of fibers, etc.
S., Research on the processing and properties of spun-laced nonwovens With hydrophilic PET fibers.
,Analysis of factors affecting the quality of spun-laced nonwovens products.Fujian Textile7,36-38(2010).

An attempt is made to model the mechanical properties through response surface methodology (RSM).
A study on mechanical properties of chicken feather composites [1] was carried by Jeffrey W.Kock.
Hence, RSM model can be used for prediction of mechanical properties of emu feather fiber epoxy composite material.
The figures 7 to 10 shows comparison between experimental values and RSM predicted values of mechanical properties.
Kock, Physical and mechanical properties of chicken feather materials

The hydrolytic properties of LiAlO2 (LAO) are important factors for its applications on LED fabrication.
Consider the production costs and electronic circuit design factors, most white LED have improved from the blue LED.
This paper shows the hydrolytic properties of LAO and polishing operating conditions.
Summary This paper investigated the hydrolyzable material properties of LiAlO2 by experiments.
The properties data of hydrolysis reaction increases the understanding of the material properties of LiAlO2, which will be applied to studies of further hydrolysis researches.

This variation in cationic distribution manifests in notable changes in the synthesized ferrite's magnetic, mechanical, and degradation properties.
The mechanical properties of the resultant systems were evaluated based on IR studies.
Given the non-linear relationship observed, a complex interplay of factors may be at work.
Elastic Properties.
Interestingly, the pH of the reaction medium had a significant impact on the magnetic microstructure and the distribution of magnetic and nonmagnetic cations along the spinel sublattices, thereby affecting the magnetic properties of the synthesized systems.

The mechanical properties of natural fibers are influenced by a variety of factors, including fiber type, fiber content, temperature, humidity, water absorption, and chemical treatment [14].
The impact on workability, thermal, and mechanical properties were evaluated.
The formation of intergranular pores resulting from fiber agglomeration in composites has deleterious effects on their mechanical properties.
As a result we note that the physical, mechanical, and thermal properties of concrete structures are influenced by porosity [38].
Effect of microstructure on the mechanical and thermal properties of lightweight concrete prepared from clay, cement, and wood aggregates.