Search results

Shaohuai Cai [7] etc also made a serious of experiments to study the basic mechanism properties of CFST columns.
And the main factor is the axial load ratio.
Lihong Xue etc [13] investigated the bond properties based on 32 push-out tests of CFST columns system.
Many factors are investigated to affect the bond strength like cross section, the age and strength of concrete, the ratio of steel’s diameter and thickness, the slenderness and the way of pouring the concrete, which created the conditions for further study on the bond strength and deformation capacity.
Factors affected the hysteresis curve skeleton are steel ratio, the yield capacity, the load ratio and the concrete strength.

To obtain an optimum enhancement from the inclusion of nanoparticles, their dimensions and separation distances are essential factors.
The optical properties for each layer are obtained from [2].
Default values specified for various electrical and thermal properties.
With other miscellaneous subroutines to compute various properties.
If all these factors cause a drop in the fill factor, it means that the resulting cell is actually having a decreased performance due to other increased losses.

Weathering can cause discoloration, chalking, dimensional change, and loss of mechanical properties of wood-polymer composites.
The weathering, both natural and accelerated, of WPCs can change their colour/appearance [1,2], and mechanical properties [3,4].
The two main weathering factors (water and ultraviolet radiation) affect WPCs significantly.
Fibre swelling due to moisture absorption is primarily responsible for the loss of mechanical properties after weathering [7].
The changes in properties of composites depended on the method of weathering.

The Influence of the Mechanical Vibratoins Upon 1.7035 – 41Cr4 Steel During Hardedning Process Mihai Alexandru LUCA1,a, Teodor PISU MACHEDON2,b, Florin Constantin GADEA3,c 1,2,3 Romania, Brasov, B-dul Eroilor nr.29, 500036 “Transilvania University of Brasov”, Faculty of Materials Since and Engineering a lucamihai@yahoo.com, b tmache@unitbv.ro, c gadea_florin2001@yahoo.com Keywords: oscillations, mechanical vibrations, frontally hardened, internal friction Abstract: After a number of experiments it was noticed that mechanical vibrations affect the process of austenite on cooling conversion.
Reasons description Inside specialized literature the topic of the thermal-magnetic treatment is quite extensively approached, respectively the effect of the variable magnetic fields on the transformations that occur on cooling, and therefore the effect upon the final mechanical properties [1, 2, 3, etc].
This issue made necessary the deeper study of the factor that may influence the austenite transformation process.
The mechanical vibrations (oscillations) influence the mechanical processes of transformation of the austenite upon cooling. 2.
[5] Balcu I.: Vibration of mechanical systems; Publishing Lux Libris, Braşov 1996

Some studies show that halloysite enhanced thermo-mechanical properties with lower filler loadings compared to conventional polymers.
Additionally, composites containing halloysite have better mechanical properties such as stiffness, toughness, dimensional stability.
Some factors that affect composite performance are filler shape, dimension, and aspect ratio, together with surface characteristics.
Moreover, the study also covers the effect of Philippine halloysite on the mechanical properties of 3D-printed constructs using FDM technology.
The mechanical properties of the filaments were determined using a universal testing machine (UTM, Instron 5585H) with 10kN static load cell.

The article discusses the features of the casting process of non-ferrous metals, the basic properties of various alloys, affecting the appearance of various defects of the resulting casting.
The proposals to improve the efficiency of the casting of non-ferrous metals in metal molds and specific recommendations for improving the performance properties of metal depending on the melt being poured are given.
It is explained by several factors, one of which is high physical and chemical activity of aluminum alloys, proceeding from it, forms have to possess a protective layer, or special lubricant, otherwise, aluminum diffused in a blanket of form-building details, worsening thereby plastic and mechanical properties [4].
The specified factors will allow to reduce the size and amplitude of fluctuations of the stretching tension in form-building details, both in closed, and in the opened condition of a compression mold that will allow to increase the period of work of a compression mold until formation of cracks of the I type.
Savaşkan, Effects of Contact Pressure and Sliding Speed on the Unlubricated Friction and Wear Properties of Zn-15Al-3Cu-1Si Alloy, Tribology Transactions, 59(6) (2016) 1114-1121

The influence of granularity of the waste foundry sand on the microstructure and physical-mechanical properties of the autoclaved aerated concrete was monitored.
Nowadays many types of ashes, other by-products or waste from industrial production are possible to use in autoclaved aerated concrete production. [1, 2] The most important factors influencing the physical-mechanical properties of autoclaved aerated concrete is its microstructure, type of used binder and filler, porosity and pore size.[3] The autoclaved aerated concrete is produced in few following steps.
The pore structure significantly affects the physical-mechanical properties of autoclaved aerated concrete.[3, 4] After the material hardens in order to increase its physical-mechanical properties the autoclaving is applied.
Structure and properties of aerated concrete: a review. 
Relations between structure and mechanical properties of autoclaved aerated concrete. 

The deformation mechanism, mechanical properties, and springback of Cr-added TNTZ are described in this paper in addition to the properties of the original TNTZ.
Mechanical properties of TNTZ subjected to thermo-mechanical processing.
Figure 3 shows the tensile properties of the TNTZ rods subjected to each of the thermo-mechanical processings that are shown in Fig. 1 [10].
The tensile properties of the TNTZ rods are mainly determined by the constituent phases.
Mechanical properties.

CNC machining centers were analyzed by the failure mode, effect and criticality analysis (FMECA) method for identifying the weakest links of a CNC machining center and obtaining that the spindle system is the primary factor that affects the reliability of CNC machining centers.
Finite Element Analysis of Spindle The most important factor that affects the reliability of machining center is the spindle system, and the impact of spindle offset and geometric accuracy exceeding is obvious.
The spindle is made of 45 steel with the following material properties: Young’s modulus E = 210000 MPa and Poisson ratio v = 0.3.
Mechanical Reliability Design.
Mechanical Engineering & Automation, Vol. 2 (2011), p. 74.

Furthermore, the mechanical properties of X80 pipeline welded by single wire welding and double wire welding respectively have been compared.
The work presented in this paper was focused on the mechanical properties and microstructure of girth welds of grade X80 pipeline.
Mechanical Properties of welded joints of double and single wire welding for X80 pipeline Weld consumable Welding process Tensile properties /MPa CVN absorbed energy /J CTOD（－10℃）/mm Rt0.5 Rm -40℃ -10℃ Min.
Research on influencing factor of impact toughness in coarse grain heat-affected zone for X80 pipeline steel.
Tensile and Toughness Properties of Pipeline Girth Welds.