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In this paper, the mechanical properties of Hot Isostatically Pressed (HIPed) and Sintered and Reaction Bonded Silion Nitride (SRBSN) have been studied.
Evaluation of the mechanical properties of silicon nitride, such as the elastic property and surface strength is important to the understanding of the RCF performance of silicon nitride prior to bench testing [4].
The mechanical resonance of a component is a funciton of its shape, density, and elastic properties.
The results indicate that the difference in machining procedures doesn’t significantly affect the elastic property of silicon nitride.
Figure 4: Elastic properties of three HIPed Silicon Nitrides.

This paper studies how the addition of Carbon nanotubes (CNT) influencing the properties, especially the mechanical properties and colorimetry of ethylene propylene diene rubber (EPDM)/SiO2 composites.
Though there are many literatures about the mechanical and electrical properties of polymer before and after the addition of silica particles[7].
Newly carbon nanotubes with different length can also greatly affect the mechanical and electrical properties.
Gaafar, Effect of Different Types of Carbon Black on the Mechanical and Acoustic Properties of Ethylene-Propylene-Diene Rubber, J.
Al-Gahtany, Mechanical properties of styrene butadiene rubber-/ethylene propylene diene monomer rubber-based conductive blends, J.

Therefore, researchers are constantly investigating ways to produce the polymer composites with balanced mechanical properties at a reasonable production cost.
The effects of the mixture reed flour on the mechanical and physical properties of WPC panels were investigated and discussed.
The results indicate that introduction of reed powder negatively affects to the impact properties.
Several factors affect the strength of composites, such as, strengths of fibers and matrix, fiber content and the interfacial bonding between fibers and matrix [7].
The flexural properties of composites affected by reed powder are shown in Fig. 2 (b).

Introduction Cold drawing technology used for manufacturing of precision seamless steel tubes depends on many factors, two of which are the initial and the final tube dimensions.
Mechanical properties of the material were estimated according to the uniaxial testing diagrams (i.e. stress-strain diagrams).
All relevant mechanical properties of the E235 steel tube are summarized in Tab. 3. [2, 8] Tab. 3 Mechanical properties of E235 cold drawn tube   Reduction Dimensions Mechanical properties [%] [mm] Rm [MPa] A5 [%] Hardness [HV] Rolled (0) - Ø70x6.30 545 24.3 133.7 1st pass (1s) 35 Ø57x5.00 763 8.1 190.3 2nd pass (2s) 33 Ø50x3.75 875 7.2 219.7 3rd pass (3s) 29 Ø44x3.00 928 5.9 222.3 Overall 69         Fig. 5 Mechanical properties of E235 cold drawn tube: tensile testing according to STN EN 10002-1 (left), Vickers hardness according to STN EN ISO 6507-1 (right) Conclusions The key topic of this paper was to investigate the influence of technological parameters on mechanical properties of cold drawn steel tubes.
All these parameters have an impact on final mechanical and structural properties of the tubes.
ISBN 978-3-86011-048-5 [2] RIDZOŇ, M.: Research on technological parameters affecting the production and properties.

The fatigue failure process is influenced by the external factors, which also affects the static mechanical characteristics of the materials, and the response characteristics of the materials under the external factors are also affected.
Under the cycle load, the material properties must be degraded.
The macro-mechanical properties under difference pre-compression tests were compared and analyzed.
The mechanical property degrades because of the present of the cracks.
[5] Jancheng Tang, Yuehui He and Wenshen Liu, Factors Affecting the Room-Temperature Tensile Properties of TiAl Alloys with Fully Lamellar Microstructures, Rare Metal Materials and Engineering. 3 (32) (2003), 209-212

The paper analysed the effect of various DCT process parameters on mechanical properties and observed microstructure before and after DCT treatment by the SEM.
Many researches have shown that deep cryogenic treatments can change the microstructure and improve the mechanical properties of materials.
The other factors were considered as fixed and constant parameters.
Fig. 1 Wear curve before and after deep cryogenic treatment Mechanical properties.
The results show that the soaking temperature on mechanical properties is the first factor, the second one is the soaking time, the third one is the cooling rate, the tempering temperature is lattermost.

The Effect of Pb2+ and Cd2+ Addition to Mechanical Properties of Fly Ash Geopolymer Paste WARIH Supriadi1, 4, a*, SUBAER2, 4, b, RIDHO Bayuaji3, 4, c, R.Y.P.
The additional heavy metals ions to geopolymeryzation process will affect the geopolymer mechanical properties [1].
This research was carried out to investigate heavy metal ions influence to geopolymer paste mechanical properties especially at compressive strength and immobilization properties.
Properties of fly ash.
Several factors may affect the compressive strength of the geopolymer paste.

Their mechanical properties like a strength and hardness of Al are mainly depended their microstructure.
Affects the mechanical properties of the material the smaller the grain size, more are the grain boundaries.
Results and Discussion Mechanical Properties.
The as-cast alloy shows poor mechanical properties because of its coarse cast structure.
Effect of cooling rate on solidified microstructure and mechanical properties of aluminium, J.

Results show that concrete with 5% eggshell powder is optimal for high mechanical properties, lower water absorption and low carbonation depth.
This objective of the present study is to investigate the mechanical properties and durability of concrete with eggshell powder and tyre crumb.
While mechanical strength of concrete may be attributed to various factors, water absorption of concrete was commonly related to the internal packing of concrete microstructure.
Replacement of 5% sand with tyre rubber produces concrete with higher durability despite negatively affecting mechanical strength.
Sofi, Effect of waste tyre rubber on mechanical and durability properties of concrete – A review, Ain Shams Eng.

The application of numerical methods allowed for a detailed study of the interaction of the sphere, providing an opportunity to analyse the exact properties and assess the influence of various factors in complex structures.
Safety factor: o Determination of the safety factors for the different parts of the structure.
It should also be noted that the simulations have been validated with experimental data (Green’s functions), and their results have been evaluated taking into account all factors affecting the real system.
Ruban, Investigation of the properties of powder materials using computer modeling.
Huliieva, Prediction of the structural properties of powder materials by 3D modeling methods.