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Online since: May 2014
Authors: Mats Karlberg
Similar work has been performed by Park et al.[5] where strip profile and coiler setting effects was neglected.
Jung et al.[1] included these effects when investigated coil cooling in cold rolling process.
The micromechanical model used in this work for predicting the incremental precipitation strengthening effect is based on work published by Militzer et al.[4].
To model the thermal properties of the gap zone i.e κgap and tgap work performed by Shridar et al. [6] has been used.
i = 1…n, n= number of el
Jung et al.[1] included these effects when investigated coil cooling in cold rolling process.
The micromechanical model used in this work for predicting the incremental precipitation strengthening effect is based on work published by Militzer et al.[4].
To model the thermal properties of the gap zone i.e κgap and tgap work performed by Shridar et al. [6] has been used.
i = 1…n, n= number of el
Online since: September 2013
Authors: Choong Hoon Lee
Tennison et al. [15] researched spray penetration from a common rail injector using a chamber which was pressurized to a representative gas density in a typical HSDI diesel engine.
Santangelo [18] investigated high-pressure water-mist spray dispersion.Hiroyasu el al. researched the spray tip penetration and dispersion with several experimental methods[19-20].
Edge detection technique to determine the spray dispersion area Fig. 1 Diesel sprayimage capturedwith a high-speed camera at a time interval of 0.222 ms [15] Fig. 2 Image-processing results(a) original captured image (b) background image (c) subtracted image (d) edge detection results of the spray dispersion Experimental data ofTenisson et al.
Tennsion et al [15]injected fuel with multiple injections such as single, pilot, and split pattern and visualized diesel spray images using a pulsed copper vapor laser, a high-speed camera and an optical system arrangement.
For all experimental conditions used in this research, the spray breakup time calculated from Xu et al. [21] is within 0.1ms.
Santangelo [18] investigated high-pressure water-mist spray dispersion.Hiroyasu el al. researched the spray tip penetration and dispersion with several experimental methods[19-20].
Edge detection technique to determine the spray dispersion area Fig. 1 Diesel sprayimage capturedwith a high-speed camera at a time interval of 0.222 ms [15] Fig. 2 Image-processing results(a) original captured image (b) background image (c) subtracted image (d) edge detection results of the spray dispersion Experimental data ofTenisson et al.
Tennsion et al [15]injected fuel with multiple injections such as single, pilot, and split pattern and visualized diesel spray images using a pulsed copper vapor laser, a high-speed camera and an optical system arrangement.
For all experimental conditions used in this research, the spray breakup time calculated from Xu et al. [21] is within 0.1ms.
Online since: April 2010
Authors: Marek Danielewski, Bartek Wierzba
Bi-velocity Method and Linear Nonreversible Thermodynamics,
Interdiffusion in R2
Marek Danielewskia and Bartek Wierzbab
Interdisciplinary Centre for Materials Modeling, Faculty of Materials Science and Ceramics
AGH University of Science and Technology, Al.
The diffusion velocity, d d i i iJ cυ ≡ , is expressed by the Nernst-Planck formula [12]: ( ) ( ) grad grad d ch ch m el i i i i i i i i i B p z F B υ µ ϕ µ µ µ = − − Ω + = − + + , where , ,ii iB D z are the mobility, diffusevity and valence, respectively.
Results In this work we compare the experimental results obtained by Zhao et al. [13, 14] with the results obtained using the one dimensional and two dimensional CADiff method.
Co Cr Ti Mo Nb W Al.
Co Cr Ti Mo Nb W Al.
The diffusion velocity, d d i i iJ cυ ≡ , is expressed by the Nernst-Planck formula [12]: ( ) ( ) grad grad d ch ch m el i i i i i i i i i B p z F B υ µ ϕ µ µ µ = − − Ω + = − + + , where , ,ii iB D z are the mobility, diffusevity and valence, respectively.
Results In this work we compare the experimental results obtained by Zhao et al. [13, 14] with the results obtained using the one dimensional and two dimensional CADiff method.
Co Cr Ti Mo Nb W Al.
Co Cr Ti Mo Nb W Al.
Online since: October 2015
Authors: Ján Duplák, Anton Panda, Miroslav Kormoš, Juraj Ružbarský
El-Hofy, Machining Technology: Machine Tools and Operations, CRC Press, 2008
Hatala et.al, T-Vc Dependence for sintered metal in standard ISO 3685, Technological Engineering 7/2 (2010) 6-9
Zajac et al, Cutting facilities of new type of came cutting material, in: Proceedings of the Conference PPTO, Košice, 1995, pp. 138-139
Cep et al, Surface roughness after machining and influence of feed rate on process, Key Engineering Materials 581 (2014) 341-347
Zelenak et al, Comparison of mechanical properties of surface layers with use of nanoindentation and microindentation tests, Metalurgija 51/3 (2012) 309-312
Hatala et.al, T-Vc Dependence for sintered metal in standard ISO 3685, Technological Engineering 7/2 (2010) 6-9
Zajac et al, Cutting facilities of new type of came cutting material, in: Proceedings of the Conference PPTO, Košice, 1995, pp. 138-139
Cep et al, Surface roughness after machining and influence of feed rate on process, Key Engineering Materials 581 (2014) 341-347
Zelenak et al, Comparison of mechanical properties of surface layers with use of nanoindentation and microindentation tests, Metalurgija 51/3 (2012) 309-312
Online since: December 2023
Authors: Aswin Kumar Krishnan, Yat Choy Wong, Reiza Mukhlis, Arul Arulrajah, Zi Peng Zhang
Muhamad et al. [8] experimented with cement and rice husk ash (RHA) in roof tiles.
Sultana et al. [9] demonstrated an experiment using hard rock dust and red clay in the roof tiles with the firing temperature at 850°C to 1100°C.
Su et al. [12] investigated the microstructure of plastic rubber in cement.
According from Lourenco et al. [14] reviewed the properties of clay materials in old and new bricks.
El-Mahdy, and D.M.
Sultana et al. [9] demonstrated an experiment using hard rock dust and red clay in the roof tiles with the firing temperature at 850°C to 1100°C.
Su et al. [12] investigated the microstructure of plastic rubber in cement.
According from Lourenco et al. [14] reviewed the properties of clay materials in old and new bricks.
El-Mahdy, and D.M.
Online since: March 2014
Authors: V. Anandakrishnan, Muthukannan Durai Selvam, B.M. Muthamizh Selvan, R. Venkatraman, Baskaran Selvam
Anandakrishnan et al. [9] produced AA 7075 reinforced with TiC composites through in-situ stir casting process.
Ramesh et al. [10] investigated wear behavior of AA6061reinforced with SiC and Al2O3 composites after hot extrusion and reported that wear resistance of extruded composites are superior to the casted one.
Rao et al. [12] investigated dry sliding wear behavior of heat treated AA7009-SiC composites under various loads, sliding speeds.
Baradeswaran et al. studied the influence of B4C on the mechanical and tribological behaviour of AA7075-B4C composites [13].
Abou El-Khair, A.N.
Ramesh et al. [10] investigated wear behavior of AA6061reinforced with SiC and Al2O3 composites after hot extrusion and reported that wear resistance of extruded composites are superior to the casted one.
Rao et al. [12] investigated dry sliding wear behavior of heat treated AA7009-SiC composites under various loads, sliding speeds.
Baradeswaran et al. studied the influence of B4C on the mechanical and tribological behaviour of AA7075-B4C composites [13].
Abou El-Khair, A.N.