Search results

Microstructure and mechanical properties of friction stir welding joint of pure copper Yong Zhao1, a , Youli Ye1,b, Keng Yan1,c and Lilong Zhou1,d 1 Provincial key Lab of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang Jiangsu 212003，China azhaoy418@sohu.com, byoulilaomu@163.com, c yankeng@126.com, d longvis@sohu.com Keywords: Pure copper, Friction stir welding, Microstructure, Mechanical properties.
Microstructures and mechanical properties of pure copper weld joints are discussed under different parameters of friction stir welding.
The microstructures and mechanical properties of the welded joints were also analyzed.
After welding, the microstructures characteristics and mechanical properties of the welded joints were also analyzed.
The rotation speed of the tool has an impact on welding heat input and could soften the material plastic flow, consequently affecting the microstructure and mechanical property of the joint.

The volume fraction of matrix increases sharply with the increase in rare metal oxide impurity, which adversely affects the mechanical properties of tungsten heavy alloys.
Important microstructural features such as W-W contiguity, tungsten particle size, matrix volume fraction affect the mechanical properties [4-6].
The purpose of this investigation was to examine the effect of sintering conditions, microstructural factors that effect mechanical properties and to investigate the effect of oxide impurity on the microstructure and mechanical properties of WHA.
This is explained in terms of microstructural factors such as tungsten grain size, matrix volume fraction [5].
The addition of small amount of impurity to WHA largely affects the microstructural parameters and the hence mechanical properties.

Effect of Orientation and Temperature on the Mechanical Properties of Commercially Pure Titanium M.
a Michael.Battaini@eng.monash.edu.au Keywords: Commercially pure titanium, mechanical properties, hardening, twinning, EBSD, texture.
Twinning was also found to be the most significant factor affecting work hardening behaviour, with reorientation hardening occurring for some sample orientations.
From the beginning of research on the mechanical properties in titanium the role of twinning and the factors affecting its operation have been in dispute.
properties of the commercially pure titanium.

In this paper, the researches on the mechanical properties and oxidative damage of the gas film holes at home and abroad in recent years have been systematically introduced.
Therefore, the study of mechanical properties and oxidative damage of gas film holes has attracted much attention.
However, few researches on the influence of gas film holes on the mechanical properties of turbine blades, especially on the impact of fatigue performance.
Wall thickness and gas film holes are the main factors affecting the creep life of the simulated specimens.
Defects and transport properties of metal oxides[J].

Material properties test of wooden architecture and its mechanical properties Lin Xu 1, a, TieYing Li 2, b 1 Architecture and Civil Engineering College, Taiyuan University of Technology,Taiyuan,Shanxi,030024,China 2Architecture and Civil Engineering College, Taiyuan University of Technology,Taiyuan,Shanxi,030024,China a563009603@163.com, blty680412@163.com Keywords: experiment, wood, wood-frame building, properties, bending strength Abstract.
The structure of wood The material structure of wood is the key factor to determine the overall performance of wood properties and structure.
Besides, fiber saturation piont is the turning point when all of the physical and mechanical properties change of wood. 
Mechanical properties of wood  Strength The strength of wood shows as significant anisotropy.
Wood mechanical properties test In order to make an accurate theoretical analysis of wood, so we work on more than one set of the specimen material of wood test.

In FDM, the mechanical properties of a 3D-printed part are greatly affected by the build parameters such as the raster angle, extrusion temperature, layer thickness, and infill.
A study was carried out in [5] that investigates the effect of the build orientation on the mechanical properties of FDM fabricated parts using ABS as the filament.
The responses included in this study are selected mechanical properties of the FDM-printed part i.e. compressive strength and impact resistance.
Ziemann (2012), “Anisotropic Mechanical Properties of ABS Parts Fabricated by Fused Deposition Modelling”, vol. 2, 2012
Pregger, “Effect of Layer Orientation on Mechanical Properties of Rapid Prototyped Samples”, Materials and Manufacturing Processes, vol.15 no. 1, pp. 107-12, 2000

In order to improve the machinability of GDL-4 tool steel, the factors influencing the machinability, such as the thermal property, work hardening exponent, carbides were studied comparing with M2 in this paper.
The results show that under the same cutting condition, the thermal property is the key factor which makes the machinability of GDL-4 worse, and Si is the key element affecting the thermal property.
In this paper, the physical properties of GDL-4 steel which influence the machinability were studied and compared with M2.
The cutting temperature is the main factor affecting the machinability of GDL-4 steel, because the high cutting temperature makes the belt saw softened. 2.
Thermal capacity and thermal conductivity of GDL-4 steel are the main factors affecting the cutting temperature. 3.

This paper considers the properties of multi-linear plastic kinematic hardening of the material, researches the influence of the action sequence of temperature load on thermal fatigue cracks, and reveals its mechanical mechanism.
FEM model and mechanical properties Fig.1 (a) is the finite element model of a thermal fatigue crack, its two ends are fixed, it is not affected by external force.
Stress intensity factors when = 210℃ and = 230℃ Fig. 5.
Stress intensity factors when = 230℃ and = 210℃ Fig.7.
Handbook of stress intensity factors[M].

Mechanical Properties of Winding Conductors Affected by Cyclic Thermal Overloads N.
The influence of thermal cyclic overloads on mechanical properties of winding conductors was investigated.
Mechanical properties of microcomposite conductors depend on various factors such as internal structure, the dimensions of the cross-sections, drawing technology, and intermediate heat treatment between stages of the plastic deformation [9 - 10].
a) a) b) a) b) Conclusions The influence of cyclic thermal overloads on mechanical properties of winding conductors was investigated.
As was expected the thermal overloads did not influence the mechanical properties of pure copper wires.

Thermo mechanical processing and controlled rolling of microalloyed steel sheets are affected by several factors.
Findings of this research provide suitable connection among finishing temperature, microstructural features, and mechanical properties of hot rolled Nb-microalloyed steel sheets.
To study the finishing temperature effect on mechanical properties, the finishing temperatures were chosen according to the processing schedule illustrated in Fig. 1.
Strength properties.
Qin et al. (1996), showed the parameters affecting the percentage of elongation as the size and morphology of ferrite grain and size and shape of precipitates.