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As such, big safety factor and margin are used to meet the strength requirements.
The material properties are shown in table 1 and the geometry of the model is shown in figure 1.
Table 1 Material properties material Modulus of elasticity E Poisson’s ratio Allowable stress in the design pressure and temperature 09MnNiDR 0.3 163 09MnNiDⅢ 0.3 163 Fig.1 The geometry of the model 1.2 Mesh 1/4 areas of the model is taken because of its symmetry of structure (the geometry and the load is symmetrical).
Some details of the actual structure are ignored, such as welds, transition circle angle and so on, which will not affect stress distribution at the junction, but can greatly reduce the number of units.
[3] Weiwei Yu and Bingjun Gao: Application of ANSYS in mechanical and chemical equipment (China Water Conservancy and Hydropower Press, Beijing 2006), in Chinese

The thermal properties of material were defined.
It is influenced by the factor of temperature.
A numerical analysis of interface damage effect on mechanical properties of composite materials[J].
Numerical evaluation of bulk material properties of dental composites using two-phase finite element models[J].
A numerical analysis of interface damage effect on mechanical properties of composite materials[J].

Introduction The oil, which mainly refers to lubricating oil and hydraulic oil here, is the blood of mechanical device.
Usually, the oil analysis is primarily for analysis of metal particles, pollution measurement and analysis of some physical and chemical properties.
Therefore, it is necessary to develop an accompanying style of oil instruments for modern mechanical systems.
On-line monitoring is recent research hotspot of oil analysis in the mechanical fault diagnosis [2, 3].
Through analyzing the various factors of affecting the sensor, the corresponding solution is proposed.

Their excellent mechanical properties are ascribed to the martensitic transformation of retained austenite during plastic deformation.
However, close attention has not been paid to the factors that may affect IQ or CI such as crystallographic orientation and boundary effect.
The specimen for EBSD measurement was prepared by mechanical polishing and electropolishing with an electrolyte of 5% perchloric acid diluted by ethanol at 4 volts.

These factors make them ideal for various applications in geopolymer technology [6].
Chen et al., [8] investigated the mechanical properties of reinforcement fly-ash based geopolymer with alkali-pre-treated sweet sorghum fibre.
Alomayri et al., [9] studied the characterization of cotton fibre-reinforced geopolymer composites and found that the appropriate addition of cotton fibres can improve the mechanical properties of geopolymer composites.
Duxson et al., [11] mentioned that if the alkaline content is too great in a geopolymer formulation, then the mechanical properties of the geopolymer will deteriorate.
Silsbee, Wood fiber surface treatment level effects on selected mechanical properties of wood fiber–cement composites, Cement and Concrete Research.

Research of stress transfer area and its length prediction of single-lap adhesive joint WeiPing OuYang, JianPing Lin, ZhiGuo Lu School of Mechanical Engineering, Tongji University, Shanghai 200092, China School of Mechanical Engineering, Tongji University, Shanghai 200092, China School of Mechanical Engineering, Tongji University, Shanghai 200092, China a ouyangweipingvi@163.com, b jplin58@tongji.edu.cn, c lulong83820@163.com Keyword: single-lap adhesive joint; stress transfer area; strain field; DIC Abstract: obtaining the law of stress and strain distribution of loaded adhesive joint has significant implication for joint design and its strength prediction.
These phenomena affect the mechanic property of the joint significantly [4].
The affect of the moments is determined by the distance to the lapped area.
Thus, the areas on adherend not affected by the moments could be considered to bear tensile force only.
Stress concentration factors for bonded lap joints.

Judges classified strawberry properties on a scale of 0~10.
Due to this gas flow was controlled by suitable barrier properties of packaging material, equilibrium was achieved.
Fruit firmness was one of the important factors which can decide strawberry quality and its post-harvest physiology.
So the rot grade was a main factor limiting strawberry shelf life.
The appearance, smell, and color of the fruit were important factors that customers considered when purchased strawberry.

Vibration resulting from the work makes tiny concrete cracks gradually extending, affects mechanical smoothly running and accuracy processing, and even makes damage scrap.
Given the above double factors are more likely to result in cracks.
Plastic shrinkage of the external effects of the main factors is the wind speed, temperature and relative humidity, the internal factors are water-cement ratio, additives, slurry aggregat ratio, concrete temperature and coagulation time
Cement is the internal factors producing stress and necessary condition of conerete-generated.
(3)As a result, construction must analyse factors, adjusting the concrete of internal and external conditions so as to avoid the formation of cracks.

The results of this research end up in an improvement factor of up to 100 times the reduction in resistivity, when graphene nano particles are used.
In recent years, researchers around the world have investigated the application of nano particles to improve the mechanical and electrical properties of materials.
When graphene and inorganic components are combined, an important synergistic effect occurs at the molecular level and can create new different properties of each individual component [13].
Due to the difficulty to appropriately incorporate several factors affecting the resistivity performance in ground enhancement materials when using classical methods for mathematical modeling, ANN models have been employed in this study.
Ruoff, Graphene and Graphene Oxide: Synthesis, Properties, and Applications.

This study through test to find how to solve the problem of salt bath ageing and what is the rule of the microstructure and property with the change of substrate material.
But when adding rare earth elements, we should pay attention to the amount and avoid vanadoboriding caused by excessive rare earth elements which can affect the performance of the coating [5-7].
According to the inference can know solution of carbon content in the matrix material is formed with a certain thickness of the main factors influencing vanadium carbide cladding [7].
Cladding forming speed will be affected by heat preservation temperature, the temperature of substrate solution carbon content, salt bath to the factors of vanadium potential in high and low.
The study on growth dynamic model and friction and wear properties of vanadium carbide coating on SDC99 steel by salt bath method.