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Online since: April 2012
Authors: Alfredo Sanz-Lobera, S. Pindado, R. Fernández, Pedro José Núñez
Following a similar procedure as the one described for the example profile, work has been done with real data obtained from a series of 20 cylindrical workpieces machined in a numerical control turning machine with different values of feed and cutting speed.
For graphical representation it was chosen the data from a workpiece machined with a feed f=0.3 mm/rev (Fig. 4).
First line, CL, is the easiest one to calculate and it is defined imposing parallelism condition respect the displacement direction of the roughmeter when it is getting data.
Among the three lines, OL generates the smaller values using the same initial data.
In any case, if it is possible, it is convenient to have the data of the profile’s points instead of trusting, without another check, in the values supplied by the roughmeters.
For graphical representation it was chosen the data from a workpiece machined with a feed f=0.3 mm/rev (Fig. 4).
First line, CL, is the easiest one to calculate and it is defined imposing parallelism condition respect the displacement direction of the roughmeter when it is getting data.
Among the three lines, OL generates the smaller values using the same initial data.
In any case, if it is possible, it is convenient to have the data of the profile’s points instead of trusting, without another check, in the values supplied by the roughmeters.
Experimental and Computational Analysis of Machining Processes for Light-Weight Aluminium Structures
Online since: April 2008
Authors: Sven Grünert, Michael Kersting, Klaus Weinert, Dirk Biermann
The main goals of these investigations are the analysis and the optimization of the process design
concerning the applied cutting data.
Especially these data are important for the definition of loads within the FE-modeling.
When analyzing the data 17 peaks were observed in the datasheet.
This data was used to model an exact image of the tool in the FEA environment.
The simulation was conducted for different cutting data (Table 2).
Especially these data are important for the definition of loads within the FE-modeling.
When analyzing the data 17 peaks were observed in the datasheet.
This data was used to model an exact image of the tool in the FEA environment.
The simulation was conducted for different cutting data (Table 2).
Online since: November 2005
Authors: A.A. Marialva-Neto, Antônio Carlos da Silva, Sonia Regina Homem de Mello-Castanho, Sandra Maria Cunha
In this temperature, the ATD data indicated
an endothermic peak, pointing the release or reordenation of some species present in the
residue; around 1100°C, initiates an endothermic behavior, possibly indicating some
reordering or volatilization of some components.
These data are indicative of the possible temperature intervals to treating the SGR, without significant loss for the environment by volatilization
However, when the residue was calcined at 1550°C, a relative reduction in the intensity of the referring Zn2Cr2O4 peaks occurred, indicating possible incorporation to the amorphous phase, that begins to increase after treatment at 1550 °C, where the data showed that the waste didn't melt.
FIGURE 1: SGR X-Ray analysis data, at 1450°C and 1550°C ZnCr2O4 Fe2SiS4 Intensity (a.u.)
(FIG. 4) 5 0 25 50 75 100 125 150 175 80 70 60 50 40 30 20 10 0 0 255075100125150175 80 70 60 50 40 30 20 10 0 % massa tempo(min) 0 200 400 600 800 1000 1200 1400 1600 -20 0 20 40 60 80 100 120 140 160 180 1450-R23-S47-F5-N25 ATD (µV) 1450-R23-S47-F10-N20 % massa tempo (min) 0 200 400 600 800 1000 1200 1400 1600 -20 0 20 40 60 80 100 120 140 160 180 ATD(µV) FIGURE.4: ATD and ATG data for compositions with 5% feldspar, 25% Na2CO3 and 10% feldspar, 20% Na2CO3 (both with 23% SGR) The samples were submitted to chemical resistance tests during 14 days in a watery way and the results did not shown significant variations of mass or pH, evidencing the chemical stability of glasses.
These data are indicative of the possible temperature intervals to treating the SGR, without significant loss for the environment by volatilization
However, when the residue was calcined at 1550°C, a relative reduction in the intensity of the referring Zn2Cr2O4 peaks occurred, indicating possible incorporation to the amorphous phase, that begins to increase after treatment at 1550 °C, where the data showed that the waste didn't melt.
FIGURE 1: SGR X-Ray analysis data, at 1450°C and 1550°C ZnCr2O4 Fe2SiS4 Intensity (a.u.)
(FIG. 4) 5 0 25 50 75 100 125 150 175 80 70 60 50 40 30 20 10 0 0 255075100125150175 80 70 60 50 40 30 20 10 0 % massa tempo(min) 0 200 400 600 800 1000 1200 1400 1600 -20 0 20 40 60 80 100 120 140 160 180 1450-R23-S47-F5-N25 ATD (µV) 1450-R23-S47-F10-N20 % massa tempo (min) 0 200 400 600 800 1000 1200 1400 1600 -20 0 20 40 60 80 100 120 140 160 180 ATD(µV) FIGURE.4: ATD and ATG data for compositions with 5% feldspar, 25% Na2CO3 and 10% feldspar, 20% Na2CO3 (both with 23% SGR) The samples were submitted to chemical resistance tests during 14 days in a watery way and the results did not shown significant variations of mass or pH, evidencing the chemical stability of glasses.
Online since: March 2024
Authors: Zhen Geng, Hao Ying Qi, Yu Chen Zhao, Hao Jian Su, Rong Jin Huang, Lai Feng Li, Zheng Rong Zhou, Ye Mao Han
The resistivity of thin film samples was measured using the vdP method, and the results were compared to the physical property measurement system (PPMS) data.
The formula is as follows: (3) The measurement system depicted in Fig. 1 (a) comprises a vacuum pump unit, a variable temperature-field Dewar, and a data acquisition and control unit.
Data acquisition was performed using the Keithley 3706 multimeter, and temperature control was achieved using the Model 332 temperature controller from Lake Shore Cryotronics Inc.
Overall, this design enables rapid temperature reduction of the sample stage to the desired low-temperature region.
For the same sample, Fig. 5 (a) compares the results obtained from the PPMS and this apparatus, showing consistent data.
The formula is as follows: (3) The measurement system depicted in Fig. 1 (a) comprises a vacuum pump unit, a variable temperature-field Dewar, and a data acquisition and control unit.
Data acquisition was performed using the Keithley 3706 multimeter, and temperature control was achieved using the Model 332 temperature controller from Lake Shore Cryotronics Inc.
Overall, this design enables rapid temperature reduction of the sample stage to the desired low-temperature region.
For the same sample, Fig. 5 (a) compares the results obtained from the PPMS and this apparatus, showing consistent data.
Online since: October 2006
Authors: Jean Camassel, Sylvie Contreras, Peter J. Wellmann, Sandrine Juillaguet, Ulrike Künecke, Marcin Zielinski, Caroline Blanc, Ralf Müller, Leszek Konczewicz
We show in Fig.2 the experimental data collected for samples A (6H) and B
(4H) in which the solid and dashed lines have been obtained from the procedure of Ref.5.
It could come from the fact that SIMS and LTPL are local probes which explore less than a 5 to 10 µm material thickness on the "optical" side of sample (opposite to the electrical contacts side) whereas the electrical data average the complete sample volume.
Acceptor densities (NA1,), acceptor energies (EA1) and donor densities (ND) are determined from fit of Hall data.
Calculated pH and µH are plotted : with Al and N concentrations from SIMS data (NA=[Al] and ND=[N]) for dashed lines and with the data reported in Table 2 for the solid line.
Clearly, in the case of M-PVT, lowering the compensation to the level of HT-CVD samples would result in a drastic reduction of the resistivity.
It could come from the fact that SIMS and LTPL are local probes which explore less than a 5 to 10 µm material thickness on the "optical" side of sample (opposite to the electrical contacts side) whereas the electrical data average the complete sample volume.
Acceptor densities (NA1,), acceptor energies (EA1) and donor densities (ND) are determined from fit of Hall data.
Calculated pH and µH are plotted : with Al and N concentrations from SIMS data (NA=[Al] and ND=[N]) for dashed lines and with the data reported in Table 2 for the solid line.
Clearly, in the case of M-PVT, lowering the compensation to the level of HT-CVD samples would result in a drastic reduction of the resistivity.
Online since: July 2012
Authors: Wei Zhang, Ya Ping Zhang, Cheng Ju Song, Zhi Chao Yang
[2] National Climatologic Data Center. 2002.
National Climatologic Data Center, NOAA, United States Department of Commerce, http://lwf.ncdc.noaa.gov/oa/climate/monitoring/snowclim/mainpage.html
[5] National Climatologic Data Center. 2008.
National Climatologic Data Center, NOAA, United States Department of Commerce
Three Fastest Shortest Path Algorithms on Real Road Networks: Data Structures and Procedures .Journal of Geographic Information and Decision Analysis, 1998,11, 1(1) :69-82.
National Climatologic Data Center, NOAA, United States Department of Commerce, http://lwf.ncdc.noaa.gov/oa/climate/monitoring/snowclim/mainpage.html
[5] National Climatologic Data Center. 2008.
National Climatologic Data Center, NOAA, United States Department of Commerce
Three Fastest Shortest Path Algorithms on Real Road Networks: Data Structures and Procedures .Journal of Geographic Information and Decision Analysis, 1998,11, 1(1) :69-82.
Online since: June 2015
Authors: Kyung Man Moon, Yun Hae Kim, Tae Sil Baek, Dong Hyun Park
Therefore, it has been developed from a long time ago, and reported its test methods and reference data[8-11].
The results of this study may provide a available reference data to develop the anti-fouling paint which have the long term anti-fouling effect by decreasing its wear ratio. 2.
Table 1 Comparison of wear ratios obtained by measurement of film thickness with immersion days Table 2 The data between wear ratios and variation ratios ofdiffusion limiting current densities measured in cathodic polarization curves of with immersion days Table 2 shows wear ratio and variation ratio of diffusion limiting current density.
Therefore, the evaluation of corrosion resistance for anti-fouling paint may be provided with a available reference data for a prospective view on its wear ratio. 4.
Furthermore, the evaluation of corrosion resistance for anti-fouling paint is considered to be able to provide with a available reference data to expect its wear ratio.
The results of this study may provide a available reference data to develop the anti-fouling paint which have the long term anti-fouling effect by decreasing its wear ratio. 2.
Table 1 Comparison of wear ratios obtained by measurement of film thickness with immersion days Table 2 The data between wear ratios and variation ratios ofdiffusion limiting current densities measured in cathodic polarization curves of with immersion days Table 2 shows wear ratio and variation ratio of diffusion limiting current density.
Therefore, the evaluation of corrosion resistance for anti-fouling paint may be provided with a available reference data for a prospective view on its wear ratio. 4.
Furthermore, the evaluation of corrosion resistance for anti-fouling paint is considered to be able to provide with a available reference data to expect its wear ratio.
Online since: May 2010
Authors: Y.H. Lai, J.X. Wang, Y. Zhang, Y. Gao
Each run has 30 data points.
At equals to the average of 30 data points in a run. est equals to the ratio of the standard deviation of the 30 data points Astd and the transparent window size At.
Construction of the 14 2 −IV design and the test results Std Order Run Order * Qw vt φw hm At (mm2) est 8 1 1 1 1 1 100.530 0.006245 2 2 1 -1 -1 1 73.074 0.084128 7 3 -1 1 1 -1 1.500 1.012623 3 4 -1 1 -1 1 60.321 0.156492 6 5 1 -1 1 -1 67.250 0.080062 1 6 -1 -1 -1 -1 24.704 0.096153 5 7 -1 -1 1 1 34.228 0.204274 4 8 1 1 -1 -1 53.270 0.17179 * 30 data for each run.
Each run has 40 data points.
There is a reduction when Qw is 1.05ml/s (Fig. 8).
At equals to the average of 30 data points in a run. est equals to the ratio of the standard deviation of the 30 data points Astd and the transparent window size At.
Construction of the 14 2 −IV design and the test results Std Order Run Order * Qw vt φw hm At (mm2) est 8 1 1 1 1 1 100.530 0.006245 2 2 1 -1 -1 1 73.074 0.084128 7 3 -1 1 1 -1 1.500 1.012623 3 4 -1 1 -1 1 60.321 0.156492 6 5 1 -1 1 -1 67.250 0.080062 1 6 -1 -1 -1 -1 24.704 0.096153 5 7 -1 -1 1 1 34.228 0.204274 4 8 1 1 -1 -1 53.270 0.17179 * 30 data for each run.
Each run has 40 data points.
There is a reduction when Qw is 1.05ml/s (Fig. 8).
Online since: May 2015
Authors: Sheng Chung Tzeng, Tzer Ming Jeng, Po Tsun Chen, Wei Kai Huang
The experimental setup was shown as Fig. 1, including (1) the test specimens, (2) the test section and heating system, (3) the data-acquiring system, and (4) the infrared thermal-image camera.
All thermocouples connected to a YOKOGAWA MX-100 data recorder.
Fig. 1 Experimental setup Fig. 2 Configurations and dimensions of Model B heat sink Fig. 3 Dimensions of test section and positions of thermocouples Data Reduction and Uncertainty Analysis.
Data supplied by the manufacturer of the instrumentation states that the measurement of flow velocity had a 1% error.
The experimental data herein reveal that the uncertainty in the thermal resistance (R) was 6.8%.
All thermocouples connected to a YOKOGAWA MX-100 data recorder.
Fig. 1 Experimental setup Fig. 2 Configurations and dimensions of Model B heat sink Fig. 3 Dimensions of test section and positions of thermocouples Data Reduction and Uncertainty Analysis.
Data supplied by the manufacturer of the instrumentation states that the measurement of flow velocity had a 1% error.
The experimental data herein reveal that the uncertainty in the thermal resistance (R) was 6.8%.
Online since: March 2014
Authors: Sergey V. Gnedenkov, Sergey L. Sinebryukhov, Alexander K. Tsvetnikov, Valentin I. Sergienko, Denis P. Opra
According to the scanning electron microscopy data, the HL particle size ranges from 5 up to 35 μm.
According to the obtained data, the electrode with 6 wt. % of binder was characterized by the highest value of the specific capacity (Fig. 2a).
According to the obtained data, the open circuit voltage (OCV) value for the system is equal to 3.4 V.
The obtained data are in agreement with the literature overview, for example, similar suggestions were made by L.
According to the obtained data, the optimal drying temperature of the cathode with the F-4D binder is not less than 260-280 °С.
According to the obtained data, the electrode with 6 wt. % of binder was characterized by the highest value of the specific capacity (Fig. 2a).
According to the obtained data, the open circuit voltage (OCV) value for the system is equal to 3.4 V.
The obtained data are in agreement with the literature overview, for example, similar suggestions were made by L.
According to the obtained data, the optimal drying temperature of the cathode with the F-4D binder is not less than 260-280 °С.