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The homogenisation cooling rate can also impact on the behaviour of the billet during extrusion processing as well as affecting the final mechanical properties.
As an additional processing step, its benefit for the further processing of the alloy or the resulting mechanical properties must justify the operation.
Slow preheat results in lower mechanical properties since stable β-Mg2Si forms which requires higher extrusion temperatures to dissolve the particles and productivity is affected as the extrusion speed may be reduced to avoid melting.
The extrusion press will limit lower billet temperatures being utilised, as well as other factors affecting the flow stress.
The high temperature heat treatment has a number of benefits for the further processing and development of mechanical properties of the alloy.

Both the initial pH and glucose concentration are the important factors to affect the production of the BC.
The characteristics of BC are high cellulose purity, great mechanical strength, high water keeping property and consisted of nano structure [3].
However, the production of the BC has been affected by several factors.
Factors, levels and the orthogonal array.
Furthermore, the BC has good mechanical strength [3].

The pressure field, the velocity field, the particle tracking, the turbulence kinetic energy distribution and the flow field vorticity distribution of the seal cavity flow field were obtained by solving the three-dimensional N-S equation; and then the seal cavity medium temperature distribution was get by solving the energy equation, so the influencing factors that the flow and the heat transfer of the flow field make the temperature of the friction pair surface rising were analyzed, and the main factors affecting the temperature was found out.
In fact, the heat transfer of the fluid in the seal cavity is closely related to the fluid flow, the flow pattern, the velocity, the pressure and the temperature of the fluid directly affects to the temperature field of the friction pair.
Therefore, it is necessary to study the seal cavity flow field and the temperature field of the friction pair as a whole, simulate the fluid flow pattern, analysis the nfluencing law of the fluid dynamics properties to the temperature field of the friction pair, and find out the effective measures to control the temperature of the sealing rings of the friction pair.
The thermal oil pump belows mechanical seal is used as the researching object, and the of the seal cavity flow field was established, shown in Fig.1.
The physical properties of the specific medium and boundary conditions for the numerical computation is shown in Table.1., and the controling equations for numerical computation was select by using the PRESTO as pressure difference scheme.

It was observed that the mechanical properties of the crosslinked WBPU/HMMM-CNT nanocomposites were the least affected by water compared to conventional WBPU, crosslinked WBPU/HMMM, and WBPU/CNT nanocomposites.
The mechanical properties are summarized in Table 3.
However, the rate at which these mechanical properties decreased were not the same.
We also checked the mechanical properties of the samples after they were dried (see Table 3).
Combination of these factors made the crosslinked WBPU/HMMMCNT nanocomposite less water sensitive, and the mechanical properties were very slightly affected after dipped in water and recovered the values after drying.

Mechanical properties of the joint were described in terms of peak load, energy absorption and failure mode.
It was concluded that weld nugget size and the strength of the thinner base metal are the controlling factors of the peak load and energy absorption of dissimilar thickness spot welds.
Quality and mechanical behaviour of spot welds significantly affect the durability and crashworthiness of the vehicle [1].
Mechanical properties Figs.10a and b show that welding time has a significant effect on the peak load and energy absorption of the spot welds.
This reduces the tendency to fail a dissimilar thickness spot weld in the interfacial failure mode during tensile-shear test. 3-Weld nugget size and weld fusion penetration are the main controlling factors for spot weld quality in terms of peak load and energy absorption.

Study of Laser Cutting Parameters Affecting Metal Surface: An Integrated Literature Review Anwar Hassan Zabon¹,a, Prof.
These materials are often difficult to machine using traditional methods due to their high mechanical strength and thermal properties [3][4].
This paper provides a detailed analysis of how various LC parameters affect metal surface quality, highlighting the most significant factors.
Understanding these factors is essential to maximizing a laser's performance for a range of applications.
The factors can be divided into three categories, as shown below [88][89][11]. 2.1 Laser System Parameters: These parameters define the overall performance and behavior of a laser system, covering both intrinsic properties and operational settings.

Studied the mechanical properties of composite material.
The mechanical properties for two groups were found as shown in Table 2.
Table 2 Mechanical properties for two groups.
Table 3 Mechanical Properties That Determined from Stress -Deflection Curves.
Fig.10. and Fig.11. show the safety factors for each type of composite material.

Cement characteristics, namely rheological and flow properties, greatly affect implant success.
In contrast to the relatively large amount of work on mechanical properties of bone cements, few data have been published oh their rheological properties.
The rheological properties of the cement directly affect the ease with which cement flows and penetrates the bone microinterstices and consequently the positioning of the prosthesis in the bone bed during the short time available before the cement hardens.
These properties need to be taken into consideration when examining cement flow [2, 3].
Nevertheless, in contrast to the relatively large amount of work on mechanical properties of bone cements, few data have been published oh their rheological properties [4].

This study was aimed at clarifying characteristics of physical and mechanical properties of faulted rock materials.
Physical properties of the faulted rock materials from fields were measured in the laboratory.
It is well known that the mechanical properties are sensitive to the mineralogical assemblage and are affected by the shapes, distribution and preferred crystallographic orientation of the components.
Laboratory material tests were carried out to determine grain size distribution curves and physical properties.
Table 2 Physical and mechanical properties of fault filling materials.

Influencing Factors on the reactive wetting of Cu-Sn-Ti- and Ag-Cu-Ti-alloys on Silicon Carbide – microstructural observations, effects and multivariate modelling W.
Despite the fact that active brazing is a suitable and well-established method to join ceramics to each other and to metals, issues concerning possible influences on the wetting properties of the used filler alloys are not yet entirely clarified.
In order to evaluate the effects of the considered factors as well as their interdependencies, a multivariate statistical approach is employed and a linear regression model for both, the contact angle and the spreading area, will be derived.
Hence, several research groups have investigated the magnitude of the influencing factors.
Besides this observation, no considerable changes of the values of the wetting properties can be measured.