Search results

Fresh Properties of M40 grade SCC and ESCC with & without Fiber Sl.
It is necessary that the ecological factors capable of adversely affecting their service life can be given proper consideration, for long term durability of concrete structures.
· The Rheological properties and strength could be achieved with replacements of 40% QD and 30% FS in RS.
Properties of concrete incorporating sand and cement with waste marble powder, Adv.
Mechanical properties of self-compacting concrete incorporating quarry dust powder, silica fume or fly ash, Cons. and Buil.

The tumor microenvironment (TME) plays a crucial role in this process, affecting endothelial cells and leading to the enhanced permeation and retention (EPR) effect.
However, a comparative analysis of non-echogenic NPs, such as fluorescent dextrans (FDs), and echogenic NBs is necessary to understand their distinct transport properties.
Finally, the vial was agitated using a VialMix mechanical shaker for 45 seconds.
Without the application of US or shear, NBs were unable to traverse the AG layer, suggesting that their passive diffusion is hindered by their physical properties.
This suggests that NBs rely more on external mechanical forces for effective transport.

The conclusions derived from the SWOT analyses determine the establishment of the four types of strategies, by combining the internal factors (IF) (strengths (S) and weaknesses (W)) and the external factors (EF) (opportunities (O) and threats (T)) [8]: SO (max-max), WO (min-max), ST (max-min), WT (min-min).
The chemical composition gives slag unique mechanical and physical properties that can be exploited in concrete and mortar production.
De Belie, Mechanical and self-healing properties of cementitious composites reinforced with flax and cottonised flax, and compared with polyvinyl alcohol fibres, Biosystems Engineering 111(4) (2012) 325-335 [19] C.
Fanijo, A review of the influence of steel furnace slag type on the properties of cementitious composites.
Shettima, Mechanical properties of self-compacting geopolymer concrete containing spent garnet as replacement for fine aggregate, Jurnal Teknologi 79(3) (2017) [43] H.L.

Sharma3,c 1School of mechanical engineering, Lovely Professional University, Phagwara, India 2Mechanical Engineering Department, Chandigarh University, Chandigarh, India 3IP Engineering Department, Dr.
In one of the latest studies on MQL, Junyan, Huanpeng, Rongdi, and Yang (2010) used water vapour as a cooland and lubricant and studied its properties in chemical aspect in order to explain the results[10].
It was concluded that not only did MQL prove to be environment friendly, but also let to improvements in the mechanical characterestics[11].
Another eight experiments were performed by regularly increasing the coolant flow rate, keeping all the other factors constant.
· Coolant flow optimization in MQL suggests that 45 droplets/min gives the most optimum results especially in case of tool wear, with a reduction in wear upto 55% (approx.) while the surface roughness is not much affected by the change in flow rate

Introduction The NDT evaluation represents the examination of a system or a part of the system using different methods that do not affect the system functionality [1].
From the NDT perspective, infrared thermography is based on the principle that heat transfer in any material is affected by the change in material thermal properties, especially those caused by a subsurface defect.
For this method the instrumentation has three basic components: a mechanical impact which can create short-duration impacts with variable duration, a high-fidelity receiver to measure the surface response and a data acquisition-signal analysis system that can capture, store and process the waveforms of surface motion [5].
The mechanical impact creates short duration-impacts applied on the object and that travels through it.
The grades, from one to five, have been accorded to each criterion taking in the account the results from the experimental part for each non-destructive technique also the economical and technical factors.

It is known that not only mechanical properties and sheet texture, but also the microstructure of the sheet affects D&I process.
In practice the scalping depth is defined based on these factors.
To study how the Fe-containing constituents break up during rolling and how they affect ironing of cans at body makers, two ingots were scalped by 7 and 20 mm to provoke two different conditions – with and without coarse constituents retained on the rolling surface.
Kandalova, Influence of the ingot microstructure on formability of 3104 alloy, Metallurgy of Mechanical Engineering. 4 (2012) 45-47.

Aluminum and its alloys are used at many products manufacture because of its low density, of the high electrical and thermal conductivity, corrosion resistance, low neutron absorption cross section, the non-toxicity, the malleability, magnetic properties, no sparks produce and it has a high mechanical strength relative to weight.  
To determine the concentrator pattern by using CARD program were made the following steps: · registered the value of main factors: frequency, amplitude , etc
· determined the properties of the material to be made concentrator; · established the concentrator's model; · executed the concentrator model set; · evaluated the concentrator; · checked the concentrator performance from the point of view of frequency , amplitude and internal tensions .
The total amplitude at the output of the concentrator was 78 micrometers, the amplitude at the output of the piezoelectric converter (3000 W) was 20 micrometers, the intermediary transformer amplification factor of was 1.5 and the one of the concentrator was 2.6.
The experimental results revel that a working force F value of 268 daN is too high for 40 ms working time, as shown in Fig. 3, the heat has affected welded zone determine tool imprint deformation and material detachment causing (a, b, c, d, e, f) a) b) c) d) e) f) g) h) i) Fig. 3.

The exact composition of the glass and the filler depends on the desired processing temperature and final properties [2,3].
The developed sacrificial layer provides a mechanical support until the start of LTCC densification and then oxidized.
Both of these reactions; graphite burn out and LTCC densification, are related to processing parameters, material properties and affected by reaction kinetics.
The effect of the last two factors can be best explained by eq.1, which clearly shows the ratio of strains between LTCC and alumina.
εLTCC / εAl2O3 = (bAl2O3h 2 Al2O3E Al2O3) / (bLTCCh2LTCCELTCC) (1) Signal = ε Gf (2) where ε, b, h, E, Gf are the strain, width, thickness, elastic modulus and gauge factor, respectively.

Mechanical interactions of stress and transformation have been paid due attention by Denis et al [1, 2].
The present author suggests that carbon depletion in austenite under stress may increase g∆ and enhance the transformation, and the increment of diffusivity of carbon as well as the decrease of interfacial energy under stress may be the other factors to raise the nucleation rate and reduce the incubation period of bainitic transformation.
The origin of the mechanical stabilization of austenite in bainite formation is inanalogous to that in martensitic transformation [14].
Stress also enhances the kinetics of martensitic transformation and affects the crystallography and morphology of martensite.
The microstructure and properties of martensite are controlled by the composition of steel, level of applied stress and thermal conditions.

Its performance directly affects the precision and reliability of Micro Total Analysis Systems (μTAS), and it also plays a key role in the targeting transport of trace substances.
Piezoelectric actuation is most favored due to its comparatively high stroke volume, high driving force and fast mechanical response.
As can be seen from Fig. 5 (b), the PMMA pump chamber has smooth edges, good mechanical properties, and a thickness of 500 μm.
Above all, the length-width ratio A is one of the important factors considered in valveless micropump design.
Therefore, the vibration of the piezoelectric bimorph not only acts on the fluids but also on the two lumps, so that the driving performance of piezoelectric bimorph will be affected.