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Online since: March 2014
Authors: Abdul Hakim Abdullah, Mohd Ridzuan Mohd Razali, Muhd Azimin A. Ghani
The flexural modulus indicates there is reduction of elastic modulus values over the submerged period.
The flexural modulus was calculated automatically by Instron 3382 Universial Testing Machine data acquisition software.
However, the reduction values between the highest and the lowest are relatively small, scoring about 7.4% differences.
Online since: July 2019
Authors: Radim Halama, Matěj Bartecký, Daniel Antoš
A viscoplastic model was implemented into a commercial finite element program and calibrated using data from literature to can be used for simulations of all performed tests in a future work.
Fig. 5 – Hysteresis loops for frequency 0.5Hz at twist rate 2°/s Lifetime curve was established from the fatigue torsional tests for the load speed of 2°/s taking into account only data for twist amplitudes lower or equal to 1°, see Fig. 6.
Fig. 7 – Uniaxial monotonic curves of solder paste Sn-3.5Ag-0.75Cu for different strain rates (room temperature experimental data from [5]) Conclusion From measurements it is obvious that the stress-strain behavior of solder paste is dependent on strain rate even under room temperature.
The calibration of AbdelKarim-Ohno viscoplastic model [3] was done based on experimental data published in [5].
Data from described measurements in this paper and published elsewhere [1] will be simulated using the viscoplatic material model covering strain rate influence as well as creep behavior of the lead free solder paste.
Online since: August 2014
Authors: Jia Lin Wang, Xiao Dan Yu, Yan Yan Kang
Measures are put forward to facilitate the sustainable development in two aspects: the reduction of the ecological footprint demand such as industrial structure adjustment, low carbon industry system construction and green life pattern formation; the increase of ecological carrying capacity supply, such as rationally utilizing land and making full use of marine resources.
Data source and modeling analysis With reference to common calculation method of ecological footprint,the ecological footprint of Dongying city is mainly composed of biological account and energy account.
Basic data and relevant data are selected from Dongying statistical yearbook 2006-2010.
Biological resources consumption projects mainly include agricultural products, animal products, forest products and aquatic products, such as energy consumption projects mainly including coal, crude oil, coke, natural gas and electricity, etc. . biological resources footprint calculation The world's average yield data of the United Nations food and agriculture organization about biological resources in 1993 are adopted, the consumption of dongying city in 2009 is converted to biological production area which serves for consumers. .Energy footprint calculation Using global average energy footprint and conversion coefficient, the total ecological footprint and the per capita ecological footprint are calculated and per capita ecological footprint for the same types of ecological productive land types is aggregated. .
Online since: September 2017
Authors: L.G. Znamenskii, O.V. Ivochkina, A.S. Varlamov
The parting paint effectiveness is determined by defect reduction of the castings on the core blow, uncertainty in geometry, metal penetration, and also the use of available and environmentally friendly molding materials in their composition, that makes the product to be highly competitive.
The complex contains a software suite for computer processing of measurement data.
Their use provides considerable defect reduction (in core blows, uncertainty in geometry, metal penetration and etc.) in steel and cast-iron high-duty mouldings and improvement of environmental situation in the floor.
Online since: March 2004
Authors: Young Won Chang, Tae Kwon Ha, Woo Jin Park, Sang Ho Ahn
The extrusion has been successfully conducted at the temperatures of 300 oC and above with the ratio of area reduction of 28 and 40.
Recently, hypereutectic Al-Si Alloys have been recommended as a strong candidate material for the cylinder liner of engine block in automotive industry in the light of automobile weight reduction.
Figure 3 shows the relations between the extrusion pressure and ram-speed for the extrusion ratios of r = 28 and 40, obtained from equations (1) and (2) using the flow data in Fig. 2.
Online since: March 2009
Authors: Shin Ichi Kinouchi, Tatsuo Oomori, T. Sawada, Shuhei Nakata, T. Oi
Substantial Reduction of Power Loss in a 14kVA Inverter Using Paralleled SiC-MOSFETs and SiC-SBDs S.
A multi-channel data logger was used to monitor temperature by K-type thermocouples at various points and we measured Fig.2 Photograph of the fabricated module. 0.0 0.5 1.0 1.5 2.0 0 10 20 30 40 50 Id(A) L O S S (m J ) Fig.3 Relationship between drain current (Id) and switching loss.
Online since: October 2010
Authors: Taijiro Matsui
Thus, continuing reduction in the unit consumption of refractories has been steadily performed.
It was the switching over from bricks to monolithic refractories that gave the impetus for motivation and greatly contributed toward the reduction.
However, it can be said that, ironically, variable cost reduction according to imported raw materials/imported refractories has largely contributed to the outcome seen during around 1994 to 2002, when production was at a very low level.
[26] Taijiro Matsui et al: Ceramic data book, in Industry and Product Vol. 91 10 (2009), p. 145, edited by the Industrial Product Technology Association
Online since: October 2008
Authors: A.R. Vaz, S.A. Moshkalev, J. Leon, Carla Veríssimo, A. Flacker, M.B. de Moraes, J.W. Swart
For improvement of nanotube contacts with electrodes, Ni and Pd electroless processes were developed, and significant reduction of 2 terminals resistances was demonstrated.
After the electroless process, strong reduction of R2t was observed in most cases.
However, a considerable contact improvement and reduction of R2t to 80 - 200 kΩ was achieved only after annealing.
On the other hand, interpretation of the data obtained by a 4 terminals method is more straightforward as only external walls are contacted. 3.4.
Online since: October 2016
Authors: Bradley P. Wynne, Michael P. Howson, Peter S. Davies, Sinan S. Al-Bermani, Jesus Talamantes-Silva
Fig 4. shows the thermodynamic software data plotted with the CCT diagram for A508-3 class 2.
The inability of the software data to predict the formation of ferrite may lead to a misrepresentation of microstructure and hence properties should the data be used to infer or predict transformations.
The results successfully represented the reduction in cooling rates as a result of latent heat release.
Dependent on the accuracy required the thermodynamic software data is still close enough to be deemed acceptable, especially in the absence of experimental data or access to DSC.
Tye, Thermophysical properties reference data for some key engineering alloys, High Temp.
Online since: June 2014
Authors: D. Venkatakrishnan Ragu, A. Muthulakshmi, C. Hariram, N. Anantharaj
Missing data handling for classification.
In order to handle the missing data we use a masking strategy call masked projection technique called Fisher faces Projection.
Detecting faces in photographs can be very useful, since the effect of many increasing and noise reduction techniques depends on the image content.
Related Work The related work focus on occluded input data.
The nose model-based registration fails on the UMBDB, since in most of the occlusions in this data set, the nose area is covered.
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