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When a pool fire of single tank took place in tank farm, the 1,2-dichloropropane was heated and gasitied that cause pressurizing, while the mechanical property of 16MnR steel weakened.
It is preferred material to store flammable, explosive, toxic substances. 16MnR steel has stable mechanical properties at room temperature.But the overall performance would change significantly,when the temperature varied, as the following figure shown: Figure.1 Mechanical strength cycle curve of 16MnR steel with varied temperatures B 1,2-dichloropropane 1,2-dichloropropane is transparent liquid from pale yellow to colorless as chloroform at room temperature.It is flammable, toxic, belong to hazard chemicals of class A.
As summarized by Moorehouse and Pritchard [7], typical heat transfer rates to cool surfaces from pool fires vary widely from fuel to fuel.If a tank is engulfed by a sooty engulfing fire,then the tank is effectively surrounded by a black body radiating at the effective flame temperature,and the tank wall temperature may rise to near the flame radiating temperature.Heat fluxes to engulfed targets may vary significantly depending on the size and thermal properties of the object. 1.3 Fire scenario The heating of the tank contents results in energy storage in the tank and pressure rise.The heating of the tank wall and the weakening of the tank are the determining factors for tank failure.
B.The bursting strength of 16MnR steel Because the mechanical property of the steel is affected by the temperature, according to the relevant tests, the relationship figure between the yield strength and the ultimate strength of 16MnR steel of relationship and the temperature is shown in Figure 1.
Firstly,the mechanical properties of 16MnR steel and 1,2 - dichloropropane is introduced.

The factors along with their corresponding levels are tabulated in Table 3.
Effects of interactions between the two factors are also not observed.
Effects of interactions between the two factors are not observed.
Effects of interactions between the factors were not observed.
Byung, “Effect of Process Parameters and Kraft Lignin Additive on The Mechanical Properties of Miscanthus Pellets,” vol. 45, no. 6, pp. 0–2, 2017

Study of Erosion on Metal Materials for High Pressure Pipe Manifolds Zhang Jixin1, a, Fan Jianchun1,b , Zhan Xianjue1,c, Jiang Xin1,d 1College of Mechanical and Transportation Engineering, China University of Petroleum-Beijing;18 Fuxue Road, Changping, Beijing ,China 102249 azjx1163@163.com, bqdhlkz@163.com, c80147462@163.com, d27402357@qq.com Keywords: Erosion; Metal materials; High pressure pipe manifolds; Influencing factors Abstract.
Equipment failure caused by erosion and corrosion on metallic materials Erosion phenomenon encountered in multiple phase flowing is a very complex process that can be affected by many factors including the properties of multiple phase flow and target material, and the metallic materials its relative corrosion and erosion resistance to the service environment [1,2,3].
The erosion wear experiment shows the impact angles, the particle size and the flow velocity are significant factors influence erosion of mental materials.
SEM graphs of test surface condition with different impact angle, velocity of 20m/s Conclusions Results from the study, the impact angles, the particle size and the flow velocity are significant factors influence erosion of mental materials in fracturing operation condition, those influencing factors has significant effect on mass loss rate of mental materials of 30CrMo.
However, the study on corrosion–erosion properties of materials is rather limited.

Introduction PC steel bar has good comprehensive mechanical properties such as high strength, high toughness, low relaxation and excellent welding capacity.
Delayed fracture is the one of the largest factors that obstructs the strengthening of steels [3, 4].
The tempering temperature of samples is determined according to the hardness or mechanical properties of steel.
C Mn Si P S V A B C 0.31 0.30 0.32 1.20 1.21 1.18 0.65 0.63 0.63 0.013 0.015 0.010 0.009 0.01 0.012 0.011 0.025 Experimental results Microstructure and mechanical properties The steels were treated at different tempering temperatures to get different microstructures and mechanical properties．Vanadium forms the most stable compound among the microalloying elements V(C,N), with the high dissolution temperature．Fig.1 shows prior austenite grains an of tested steels under quenched condition．
The diffusivity and accumulation kinetics of hydrogen should be affected by the dispersion of vanadium carbide.

There are many studies performed to optimize the parameters of pultrusion process in order to improve the properties of the pultruded profile either in terms physical or mechanical properties.
Table 3 The effect of factors at different levels for pultruded kenaf reinforced vinyl ester composites.
Al-Zubaidy, Properties of natural fiber composites made by pultrusion process, J.
Vaughan, An analysis of factors affecting pull force for the pultrusion of graphite/epoxy composites, J.
Okuno, The effect of filler loading and morphology on the mechanical properties of contemporary composites, Prosthet.

Research on Cutting Residual Stresses Based on Thermo-mechanical Coupling∗∗∗∗ Y.Q.Xu, S.J.Li, T.Zhang and X.H.Yang (School of Mechanical & Electronic Engineering, Northwestern Polytechnical University, Xi'an Shanxi ,710072, China) Keywords: machining, residual stress, thermo-mechanical coupling, finite element Abstract.
It is very critical to find a precise solution to predict residual stresses in a machined component given the process parameters and material properties.
The mechanism of thermo-mechanical coupling is unknown to us.
Factor affecting the cutting residual stress Cutting force.
Thermo-mechanical model of finite element theory.

Thus, a study on the corrosion of 220kV conductors that have operated for years in Shanghai can help assess the corrosion of general old conductors in the whole city. 1 Life Study on OldTransmission Linesin Shanghai This paper selects aluminum conductors steel-reinforced (ACSR) that have operated for more than 30 years to conduct an experimental research on their appearances, corrosion and mechanical properties.
Under a certain concentration of SO2, humidity is an important factor that affects the corrosion of zinc.
When contact corrosion results, the steel core will startrusting and the tensile resistance will also drop, leading to broken strands or broken conductors in serious cases and even affecting the service life of conductors.
Thus, no corrosion is observed in its matrix and there is no obvious change in its mechanical properties.
Thus, the mechanical property indicators of the wires used for Shipu No. 2208 Line and YangjinNo. 2119 all exceed or are close to the test standards, and only the resistivity of the wire in Shipu Line, which has operated for a longer period of time, exceeds the testing standard.

Introduction The effect of microstructure on metallic alloys properties has been highlighted in various studies and particularly, the influences of dendrite arm spacing upon mechanical properties and corrosion resistance[1].
It is well known, that electron beam welds of AA2219 aluminium alloy exhibit superior mechanical properties compared to welds made using gas tungsten arc (GTA) welding [3,4].
Optical microscopy (OM) and scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS) with secondary electron image at 15kV and 20kV has been carried out on weld, nugget, PMZ, thermo-mechanically affected zone (TMAZ) and heat affected zone (HAZ) of the samples.
Fig. 6 Optical micrographs of PMZ of GTA welds of AA6061-T6 (a) and (c) optical of CCGTAW, (b) and (d) optical of PCGTAW Slightly coarser grain size and more amount of Mg2Si are favorable factors for inducing liquation at the grain interior and boundaries in 6061-T6 condition, compared to that of T4 condition.
Microstructure of friction stir welded A356 alloy consisted of nugget zone, thermo mechanically affected zone and heat affected zone (Fig.9).

Shape memory alloys, especially NiTi (nitinol), represent a very good alternative for actuation in equipments with moving dispositive based on very good actuation properties, low mass, small size, safety and user friendliness.
Meanwhile, the recovering period affect the entire financial issue from the individual cost, financial or medical and ending with the entire financial costs of the care provider [1].
An important role in this system is represented by the producing materials of the recovery gearing opting for more lighter, more stronger, resistant to external factors alloys, and last but not least cheaper [2].
Mechanical joint is generally discreetly adjustable for the flexion-extension amplitude and allows the rotation control.
Mechanical system for joint rehabilitation [7] In the case of the mechanical forearm (Fig. 2) there are possible both joint movements so that the patient can be rehabilitated by a passive joint movement.

Asymmetric meshing affects predicted buckling load, buckling mode shape and post-buckling behaviour.
Asymmetric meshing affects only the stiffness matrix K and does not affect the loading vector F in F = Kx relationship.
The cylindrical shell has lay-up orientations as [0o/45o/-45o/0o] and mechanical properties of CFRP are: Elastic modulus E11=52000 N/mm2, Elastic modulus E22=52000 N/mm2, Shear modulus G12=2350 N/mm2, Poisson’s ratio n12=0.302.
Palmer, Paradoxical buckling behaviour of a thin cylindrical shell under axial compression, International Journal of Mechanical Sciences, 42 (2000) 843-865
Calladine, Buckling of thin cylindrical shells: an attempt to resolve a paradox, International Journal of Mechanical Sciences, 44 (2002) 1583-1601.