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This contribution presents a study on the effect of heating rate maintained during annealing treatment on the final microstructure and mechanical properties of cold rolled Al1050 sheet.
The rate at which the driving force of RX slows down depends on factors such as the amount of strain, stacking fault energy of the material under study, heating rate, annealing temperature and annealing time [3] etc.
The JMAK approach considers all the above- mentioned factors of RX, however, the effect of heating rate during annealing is not directly addressed by JMAK theory.
The current scientific work is conducted with the aim to study the influence of heating rate on the RX microstructure and corresponding mechanical properties.
The heating rates and microstructural properties for the annealed samples are presented in Table 1.

Inconel 718 is a Nickel based Heat Resistance Super Alloy (HRSA) that is vastly used in the aerospace industries due to its excellent corrosion resistance and good mechanical properties.
The resulting tool wear and surface roughness after high speed machining were then analysed using ANOVA to determine the cutting parameters which is most affecting the surface roughness.
Surface Roughness is an important factor that can affect the component life and service quality of the product.
Mechanical properties of Inconel 718 Mechanical Properties Density 8220 kg/m3 Ultimate tensile strength 1375 Mpa Yield strength 1100 Mpa Young’s Modulus 211 Gpa Hardness 36 RC Table 3.
The mechanical properties of Inconel 718 are listed in 2.

The existence of clearance in joints also leads to the impact dynamic load, and affects the transfer of the system load, the destruction and failure of the mechanism.
Currently, the researches of joint clearance are usually focused on the property of materials or microcosmic wear, but research of dynamic wear of clearance joint in mechanical system working in high-speed is less carried out, thus it is necessary to study the dynamic wear of clearance joint.
Vector model of joints with clearance The clearance between joints usually brings about the inside contact which have two properties.
First property is that the system becomes variable topology structural system.
The reason is that the existence of clearance causes the contact force which affects the acceleration of the system.

The microstructures were analyzed by scanning electron microscopy and mechanical properties measured by tensile test.
Mechanical properties of TRIP steels are very interesting for industrial application, they possess relatively high strengths around 800-1000 MPa combined with total elongations around 30 % [3].
Mechanical properties were measured using tensile tests of flat mini-samples, with a gauge length of 5 mm.
The effect of the hold temperature on the final microstructure and the mechanical properties was investigated.
It was demonstrated that little changes in a single processing parameter of chosen thermo-mechanical processing method can produce wide spectrum of mechanical properties.

Then orthogonal simulation test was carried out to research the influence factors for the grinding forces and temperature distribution.
The orthogonal simulation test was conducted to research the influence factors for the grinding forces and temperature distribution.
Fig. 2 Geometrical model and dimension of the abrasive-grain Dynamic mechanical property of steel.
AISI 1045 steel is a medium carbon steel and characterized by good weld ability, good machinability, high strength and high impact properties.
As its high performance price ratio and good mechanical properties, Johnson-Cook (JC) model is used to describe the dynamic mechanical property in the simulation of single grit cutting process.

Confined-accelerated Creep Tests to Determine the Creep Reduction Factor Zhen Zhang1, Duoyi zhu, Tengfei Chen, Tao Wang 1School of Civil Engineering at Central South University,410075,Changsha Keywords: Creep, Time-Temperature Superposition Principle, Geogrids, Confined and Accelerated Creep Tests, Master Curves Abstrct: The creep characteristics of geogrids is one of the most important factors affecting its permanent in reinforced soil structures. currently, most of the creep tests are under unconfined conditions, the results deviates significantly from the real status in the application .
Theoretical background Elevated temperatures can accelerate chemical and physical process,it is also applicable to the creep properties of materials.The essence of time-temperature superposition principle is to accelerate creep properties at elevated temperatures .
Concrete creep environmental factors control room is used to control the test’s temperature , humidity and other conditions.
Figure 2 The proposed design of slope reinforcement The design of geogrids must consider four strength reduction factors:reliability of production stability(), environment-microbe - pH effects(), mechanical damage when laying in different filler(),connecting strength damage caused by joint effect().
[3] ANG Dong,Study on Confined Creep Properties of Geogrids. .2012.5

A strategy is proposed to cope with combined thermal fatigue and hot corrosion resistance affecting industrial coatings.
It uses a thermo-mechanical model combining the heat transfer conditions, thermal and mechanical properties of the materials and the system geometry.
Other factors may lower the capacity of these layers to protect the substrate against corrosion [17].
As in T2 cycles, the layer reduces the overall fN , the superficial mechanical properties are necessarily less favourable than the steel ones.
The Ti and oxide layers mechanical properties are not taken into account as their properties are not well documented enough.

In the automotive industry, the hot forming of high strength steels offers the possibility to obtain significant reduction of weight without affecting the structural performances of final products.
The work presented in this paper aims at accurately evaluate the effect of heating parameters on the properties of final sheet components produced in hot forming operations.
Although the high strength steel parts have superior mechanical properties, stamping operations become difficult due to the high strength.
So the mechanical properties will be improved.
It is obvious that high-temperature austenite microstructure (obtained as samples were heated rapidly) and grain refinement are the main factors to determine the mechanical properties of high strength steels.

Although being a popular stainless material with high mechanical and corrosion-resistant properties, widely used in various industries, forming of SUS304 steel by MSPIF technology still faces several challenges so in this study, with the simulation process, we have to determine the suitable values of influential factors to enhance the formability of SUS3043 sheet material.
With the Taguchi method, after analysis and selection, the L9 experiment is applied with 4 factors, each factor has 3 levels of value, and selected 5 stages.
X4 = Tool feed rate Vxy affecting the forming angle α.
The factors comprise: Angle between forming stages (Δα, X1): Represents the angle change between stages.
Secondary factor: The downward step (Δz) has minimal importance and can be adjusted after prioritizing the more influential factors.

As a result of the research work, the factors affecting the preliminary thermal strengthening and additional strengthening of 65G steel samples using FTMP were identified, which allowed to increase the microhardness of the steel in the processing zone by more than 2 times.
It is emphasized that in this case there is a change in the mechanical properties along the cross-section [6], which is explained by high-temperature heating up to the melting temperature and subsequent cooling at a certain speed.
In addition, a change in mechanical properties can also be caused by the deformation of certain structural components [7].
Therefore, the purpose of the work is to identify the relationships between the influencing factors of FTMP and structural changes of the surface of steel samples.
Natarajan, Effect of process parameters on thermal history and mechanical properties of friction stir welds, Materials & Design. 30(7) (2009) 2726–2731