Excerpts

On the other hand, the surface microcrack density of Ti6Al4V exhibits a decreasing trend with an increase in discharge capacitance.

However, a linear and highly significant increase in Cd tot content (r = 0.887 **) was observed only in series 1 (with BA alone), in which the highest BA dose (90 g pot −1 ) had a statistically significant impact on the Cd tot content.

In Figure 8 c, it can be seen that as the load cycle level increases, the damping ratio as a whole shows a pattern of gradually decreasing while having an increasing trend at a later stage.

Figure 6 shows the SEM images of copper films deposited by HiPIMS under different duty cycle conditions, and it is found that the particle size on the surface of the copper film shows an increasing trend with increasing duty cycle.

Under the conditions of a 4.5% and 5.25% duty cycle, the target peak current shows a decreasing trend.

When the sodium silicate content was below 25%, the compressive strength exhibited an increasing trend with higher silicate levels.

The results highlight that the crack initiation strength, damage strength, peak strength, and elasticity modulus of Jinping marble exhibit an increasing trend with an increase in intermediate principal stress, while the peak strain initially increases and subsequently decreases.

The tensile strength of the specimens subjected to one, three, and seven dry–wet cycles shows a decreasing trend with the increase in curing age.

As depicted in Figure 7 , with an increase in the slurry c/t ratio and mass concentration, the slump and bleeding rate of the filling slurry showed a decreasing trend.

The UCS of the CCPB showed an increasing trend with the rise in curing age, mass concentration, and the c/t ratio.

Recently, there has been an increasing trend, especially in the automotive sector, towards the production of cylindrical blocks to achieve the high performance of diesel engines by improving their wear and corrosion properties [ 34 ].

However, following the degradation of the cement matrix, a notable trend is observed during the failure stage (referred to as the C-stage); the reduction in the elastic modulus due to environmental temperature fluctuations has a marked impact on the compressive strength of the sample.

Due to the inherent dispersion property of the material, both ε′ and ε′′ showed a decreasing trend with increasing frequency when subjected to a heat treatment temperature of 800 °C.

Both the storage modulus and loss modulus exhibited a decreasing trend with rising temperatures and increasing DMSO 2 concentrations in the PCL matrix.

Generally, the strut diameter showed a trend of being thick with the increase in printing temperature, pressure, and DMSO 2 concentration.

A notable trend emerged: a decrease in the w/b led to an increase in the percentage of harmless and less harmful pores while simultaneously decreasing the percentages of harmful and multi-harmful pores.

The Q 2 and Q 4 unit fractions generally presented declining trends, with the concentration of NaOH solution rising from 5 M to 15 M, whereas an increasing trend was observed for the Q 3 unit.

The results show that there is an increasing trend of displacement versus temperature and the fork is due to the slow shrinkage and creep effect.

However, when the specimen size increases, U , U d , and U e all show a decreasing trend, and the amplitude of this decreasing trend becomes more obvious with the increase in strain rate.

Moreover, as the specimen increases and the strain rate decreases, U e / U shows a gradually decreasing trend while U d / U shows an increasing trend, indicating that the proportion of elastic strain energy used to release decreases at this time, and the degree of brittle failure of the specimen also decreases.

However, the hydrogen yield showed a decreasing trend over time, while methane gradually increased.

The most probable aperture and critical aperture of the pure paste show an increasing trend as the freeze–thaw cycles increase, as shown in Figure 13 a.

With an increasing number of freeze–thaw cycles, there is a decreasing trend in the relative dynamic elastic modulus of the HD–MPCC.

Moreover, upon examination of Figure 12 a,b and comparison of the peak impact load of SFRC beams, it was noted that the peak load exhibited an insignificant effect on the stiffness of SFRC beams as the steel fiber content increased during the impact test, while the peak deflection at mid-span showed a decreasing trend.

Furthermore, the density of the specimens exhibited a decreasing trend as the storage time increased, indicating an increase in porosity.