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Online since: November 2023
Authors: Vjaceslavs Lapkovskis, Vjačeslavs Zemchenkovs, Viktors Mironovs, Jekaterina Kuzmina, Vadims Sokolovs, Viktorija Stankevica
In this instance, ultrasonic generates cavitation bubbles throughout the product’s volume, which helps to create more uniform ice creation and a reduction in the size of giant crystals.
a b Fig. 2. a – experimental freezing camera equipped with a device for registering voltage parameters of an electromagnetic inverter; b – a signal shape The range of concentrations has been determined based on the analytical data given by Korošec & Pravst [26].
Le-Bail, Effect of static electric field on ice crystal size reduction during freezing of pork meat, Innov.
Pravst, Assessing the Average Sodium Content of Prepacked Foods with Nutrition Declarations: The Importance of Sales Data, Nutrients. 6 (2014) 3501-3515. https://doi.org/10.3390/nu6093501
Online since: June 2024
Authors: Abdul Raheem Abid Ali, Ahlam Hamid Jasim, Hasan Sh. Majdi, Alaa Mohammed Hussein Wais
Objectives of the current research are studying experimentally, the development of biocompatible coating on the surface of 316 Austenitic Stainless steel alloy using ceramic nano-particles TiO2 by EPD technique, investigate the effect of suspension composition and EPD processing factors (time deposition and voltage deposition) to reach the optimal coating conditions of samples and the reduction of contact angle wettability and dissolution behavior of metallic implants in (NaCl 0.9% and Ringer's solutions). 2.
SEM of coatings surface (a) austenitic stainless steel 316L, and layer coating TiO2 (b) time deposition 2 min,(c) time deposition 4 min and (d) time deposition 6 min. 3.2 Surface Roughness Data regarding the roughness of the substrate and plated samples has been illustrated in Table (4).
Experimental data micro-hardness of the coated and uncoated samples Specimen Vickers Hardness (HV) Substrate 460 (TiO2) a plated(20V,4 min) 1235 (TiO2) a plated(20V,2 min) 1483 (TiO2) a plated(20V,6 min) 1380 3.5 Wettability The surface of uncoated austenitic stainless steel 316L surface sample has a higher aqueous contact angle of 75.2° and indicates a less hydrophilic surface compared to the coated samples that presents a contact angle of test values as illustrated in Table (6).
The results of previous research indicate that the high surface wettability and surface roughness at the micron scale were for the synergistic effect of reduction on cell adhesion and growth.
Online since: August 2024
Authors: Takashi Tsuji, Yong Liu, Xin Peng, Yuichi Onozawa, Naoto Fujishima, Johnny Kin On Sin, Lin Hua Huang
Based on above facts, an Al2O3/LaAlO3/SiO2 gate stack on planar SiC MOSFETs has been demonstrated to achieve a 40% reduction in channel resistance, negligible transfer hysteresis, better threshold voltage stability, and longer short-circuit withstand time, compared to the conventional SiO2 gate devices [5, 6].
The cause is most likely related to the O2 annealing for the Al2O3/LaAlO3/SiO2 device, which can deteriorate the passivated deposited-SiO2/SiC interface and lead to a reduction in the channel mobility.
Figures 8 (a) and (b) show experimental data of the mobility on (1120) channel plane for the Al2O3/LaAlO3/SiO2 trench gate MOSFET at 300K and 450K, respectively.
For all channel planes, the calculated total mobility is well agreed with the experimental data of the mobility.
Online since: March 2021
Authors: Nazikussabah Zaharudin, Nashrin Iszhan, Farah Nurshahida Mohd Subakir
Recognition of T. gigas as a healthy seafood will increase the demand for the species in the seafood market, resulting in additional income for the fishermen and also reduction of resource loss by avoiding/reducing discard of the species.
Each sample was kept refrigerated (4°C) immediately prior to size reduction and homogenization.
Unfortunately, there are no data recorded for the proximate value of horseshoe crab to be compared with.
Compared to this data, the muscle of horseshoe crab has 14.62 g/100 g, which is average while roe has 38.24 g/100 g, which is the highest.
Online since: December 2023
Authors: Nicolae Șerban, Vasile Danuț Cojocaru, Mariana Lucia Angelescu, Bogdan Iulian Vaduva, Emil Panainte, Dana Mariana Șerban, Elisabeta Mirela Cojocaru
The indexed phases / compounds for these XRD data are also indicated, namely: martensite α-Fe, residual austenite γ-Fe, and Ni / Cr carbides (Ni,Cr)xCy.
Mechanical characteristics Sample Vickers microhardness (HV0.2) Tensile properties Zone A [HRC] Zone B [HRC] Zone C [HRC] σUTS [MPa] σ0.2 [MPa] εf [%] Initial / case-hardened AMS 6265 62.2 61.6 46.8 1246 1092 5.05 SMT-SP processed AMS 6265 (d1 = 0.3 mm, p2 = 5 bar, t4 = 35 min) 65.5 61.5 45.2 1319 1114 4.94 Analyzing the data in Table 2, one can observe that the Vickers microhardness values obtained for zones A and B are very similar to the measurements of surface hardness (62.18 HRC, average value), indicating the impact of case-hardening treatment.
However, a slight enhancement of ultimate tensile strength and yield strength, along with a slight reduction in elongation to fracture, can be observed in the material subjected to the SP treatment.
While some slight enhancements in ultimate tensile strength and yield strength, coupled with a small reduction in elongation to fracture, are observed in the tensile tests as the values for the treatment parameters are increasing, it can be concluded that SMT-SP processing exhibits no significant impact on tensile mechanical properties of the material.
Online since: January 2012
Authors: Glenn D. Hibbard, Uta Klement, Mehrdad Shahabi-Navid
Basic noise reduction was applied for all maps and grain identification was performed (at least 2 connected pixels of the same kind were required to define a grain).
To improve statistics, the inverse pole figure in Fig. 3 shows the superimposed data of 4 different measurements.
Fig. 3: Inverse pole figure of 4 measurements (superimposed data) obtained for Ni–18 wt.% Fe after annealing for 30 min at 300°C (y-direction is parallel to growth direction).
After noise reduction, about 30% of the investigated surface area is still un-indexed which is mainly due to overlap of patterns at grain boundaries.
Online since: May 2023
Authors: Anders Hallén, Mietek Bakowski, Adolf Schöner, Sergey Reshanov, Wlodek Kaplan, Zimo Yuan
In this paper, static and dynamic simulations of 10 kV 4H-SiC diodes using Sentaurus TCAD are combined with calculation of lifetime profiles estimated by SRIM [5] and DLTS data from the literature.
This value is tuned to produce experimental values of forward voltages comparable to the measured data [6, 8].
The plasma level and speed of plasma reduction are both related to proton-induced defects location.
Håkansson, “Simulation of Proton-Induced Local Lifetime Reduction in 10 kV Diodes”, IEEE Trans.
Online since: July 2017
Authors: Robert F. Singer, Andreas Lohmüller, Steven Plötz
Introduction Driven by the regulation of the European Union to reduce the CO2 emission from passenger cars to 95 g CO2 per kilometer till 2021, one approach for future cars is weight reduction.
Data from refs.[6-10] One of the challenging aspects for manufacturing AMCs via a casting process is particle incorporation into the matrix melt is.
No data on wetting properties of amorphous boron with liquid aluminum has been published so far, but aluminum can react with boron to AlB2 at high temperatures promising reactive wetting [15].
In comparison to the addition of Ti alloying of Zn to aluminum is beneficial due to the reduction of the liquidus temperature, which makes Al-Zn alloys interesting for casting processes.
Online since: July 2025
Authors: Siti Noorbaini Sarmin, Muhamad Haikal Hamdan, Mohamad Jawaid, Amran Shafie Ismail, Hassan Fouad, Nurjannah Salim
Each experimental run included a minimum of 5 replicates, with the key data of tensile modulus and tensile strength presented as average values and standard deviations.
Specifically, SW40 exhibited a 50% reduction in tensile strength compared to pure PBAT.
A reduction in the tensile strength of the composites may be correlated with the early failure of the samples, which is anticipated when rigid particles are integrated into the polymer matrix.
Figure 3 displays comparative derivative thermogravimetric (DTG) curves along with Tonset and Tmax data.
Online since: October 2004
Authors: Takahisa Yamamoto, Taketo Sakuma, Yuichi Ikuhara
In contrast, the activation energy values in the three doped Al2O3 are 750-830 kJ/mol, which are about twice as large as the activation energy in undoped Al2O3 and even larger than the reported activation energy data for lattice diffusion of Al3+ or O 2- ions [10,11].
The marked reduction in creep strain rate with cation doping results from cations segregation in grain boundaries probably due to the suppression of grain boundary diffusion.
However our recent analysis on the codoping effect in Al2O3 revealed that the creep rate or grain boundary dittusiviy cannot be explained from the product of net charge values in contrast to the data of Figure 5.
BaTiO3 containing a suitable amount of BaZrO3 for example, has an extremely high and fairly flat peak values of dielectric constant near room temperature due to the reduction in the transition temperature.
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