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Online since: December 2016
Authors: Ahmad Majdi Abdul-Rani, Turnad Lenggo Ginta, Alexis Mouangue Nanimina
The limitation of EDM is its slow machining process with low material removal rate (MRR) when machining hard materials with complex shapes since its material removal principle is non-contact electro-discharges with minimal physical forces [4].
Materials and Methods Experiments were conducted on PMEDM process to machine titanium alloy using cop-per-tungsten material as electrode with square cross-section of 9x9 mm.
Hasçalık and Çaydaş [9] stated similar effect of conventional EDM on titanium alloy using graphite and aluminum electrode materials.
Pouranvari, "Corrosion study of metallic biomaterials in simulated body fluid," Metallurgical & Materials Engineering, vol. 17, pp. 13-22, 2011
Skoric, "Influence of discharge energy on machining characteristics in EDM," Journal of mechanical science and technology, vol. 26, pp. 173-179, 2012
Materials and Methods Experiments were conducted on PMEDM process to machine titanium alloy using cop-per-tungsten material as electrode with square cross-section of 9x9 mm.
Hasçalık and Çaydaş [9] stated similar effect of conventional EDM on titanium alloy using graphite and aluminum electrode materials.
Pouranvari, "Corrosion study of metallic biomaterials in simulated body fluid," Metallurgical & Materials Engineering, vol. 17, pp. 13-22, 2011
Skoric, "Influence of discharge energy on machining characteristics in EDM," Journal of mechanical science and technology, vol. 26, pp. 173-179, 2012
Online since: November 2011
Authors: Gui Cheng Wang, Chong Lue Hua, Hong Jie Pei, Gang Liu
To obtain a reliable figure of thermal stress induced by grinding, temperature-dependent properties of workpiece materials were taken into account.
To obtain a reliable figure of thermal stress, temperature-dependent properties of work materials should be taken into account.
Zhang, Residual stress in ground components caused by coupled thermal and mechanical plastic deformation, Journal of Materials Processing Technology 95 (1995)238-245
Chandrasekar, Simulation of thermal stress due to grinding, International Journal of Mechanical Sciences 43 (2001)831-851
Hamdi, Hassan Zahouani, Jean-Michel Bergheau, Residual stress computation in a grinding process, Journal of Materials Processing Technol [12] ogy 147 (2004)277-285.
To obtain a reliable figure of thermal stress, temperature-dependent properties of work materials should be taken into account.
Zhang, Residual stress in ground components caused by coupled thermal and mechanical plastic deformation, Journal of Materials Processing Technology 95 (1995)238-245
Chandrasekar, Simulation of thermal stress due to grinding, International Journal of Mechanical Sciences 43 (2001)831-851
Hamdi, Hassan Zahouani, Jean-Michel Bergheau, Residual stress computation in a grinding process, Journal of Materials Processing Technol [12] ogy 147 (2004)277-285.
Online since: August 2013
Authors: Qun Ying Huang, Zhi Zhong Jiang, Sheng Gao, Rong Yuan Sa, Shan Qing Huang
Gherardi: submitted to Journal of Nuclear Materials (2002)
[2] OECD/NEA Nuclear Science Committee, Handbook on lead-bismuth eutectic alloy and lead properties, materials compatibility, thermal-hydraulics and technologies, NEA No. 6195, 2007
Wu: submitted to Journal of Nuclear Materials (2007) [9] Q.Y.
Benamati, et al.: submitted to Journal of Nuclear Materials (2011) [13]F.L.
Li: submitted to Journal of Nuclear Materials (2007) [14]C.
Wedemeyer, et al.: submitted to Journal of Nuclear Materials (2006) [15]W.M.
Wu: submitted to Journal of Nuclear Materials (2007) [9] Q.Y.
Benamati, et al.: submitted to Journal of Nuclear Materials (2011) [13]F.L.
Li: submitted to Journal of Nuclear Materials (2007) [14]C.
Wedemeyer, et al.: submitted to Journal of Nuclear Materials (2006) [15]W.M.
Online since: November 2010
Authors: Hang Wu, Wei Guo, Zhen Zhong Zheng, Qing Chang Chen, Qing Guo Chu
They are: sintering time: 3 hours; sintering temperature: 1073.15 k; flux NaCl amount: 15% wt of the reaction raw materials; Fe / Sr molar ratio: 11.4; the sample magnetic properties: Ms = 63.39emu / g; Mr = 33.44emu / g; Hc = 5798Oe, Mr / Ms = 1 : 1.90 ≈ 1:2.
Strontium ferrite sintered magnetic material is the extremely important permanent magnet because of it’s lower processing cost and wide availability of raw materials great anti-oxidation, high coercivity and energy product, uniaxial magnetic anisotropy, Strontium ferrite plastic magnet (SrFe12O19) is widely used as permanent magnetic materials[4].
All data showed the optimum SrFe12O19 conditions were: 3 hours sintering time, at 1073.15 k, flux NaCl of 15% raw materials w.t., 11.4 Fe / Sr molar ratio.
of Magnetic Materials and Devices, Vol. 37 (2006), p. 17 [5] J.I.Kraschwitz, Mary Howe-grant: Encyclopedia of Chemical Technology, Vol. 10 (1993), p. 381 [6] N.Dishovske, A.Petkov, Iv.Nedkov: IEEE Trans.Magn, Vol. 30 (1994), p. 969 [7] Y.W.Dou, Ferrite, Jiangsu Science and Technology Press, Nanjing, 1996
[8] H.Su, H.W.Zhang, X.L.Tang, Y.L.Jing, Y.L.Liu: J.Magn.Magn.Mater, Vol. 310 (2007), p. 17 [9] N.Rezlescu, L.Sachelarie, E.Rezlescu, C.L.Sava, P.Popa: Ceram.Int, Vol. 29 (2003), p. 107 [10] B.P.Rao,C.O.Kim,C.G.Kim,Mater.Lett, Vol. 16 (2007), p. 1601 [11] Jotania R B,Khomane R B,Chatelon JP, et al: J.Magn.Magn.Mater, Vol. 320 (2008), p.1095 [12] Radwan M, Rashad M M: Journal of Materials Processing Technology, Vol. 181 (2007), p. 106 [13] Pablo Hernandez-Gomez, Carlos Torres, et al: Magnet Magnet Mater, Vol. 304 (2006), p. 766 [14] WANG Xiaorui, JIN Minglin, et: Materials Review, Vol. 22 (2008), p. 105
Strontium ferrite sintered magnetic material is the extremely important permanent magnet because of it’s lower processing cost and wide availability of raw materials great anti-oxidation, high coercivity and energy product, uniaxial magnetic anisotropy, Strontium ferrite plastic magnet (SrFe12O19) is widely used as permanent magnetic materials[4].
All data showed the optimum SrFe12O19 conditions were: 3 hours sintering time, at 1073.15 k, flux NaCl of 15% raw materials w.t., 11.4 Fe / Sr molar ratio.
of Magnetic Materials and Devices, Vol. 37 (2006), p. 17 [5] J.I.Kraschwitz, Mary Howe-grant: Encyclopedia of Chemical Technology, Vol. 10 (1993), p. 381 [6] N.Dishovske, A.Petkov, Iv.Nedkov: IEEE Trans.Magn, Vol. 30 (1994), p. 969 [7] Y.W.Dou, Ferrite, Jiangsu Science and Technology Press, Nanjing, 1996
[8] H.Su, H.W.Zhang, X.L.Tang, Y.L.Jing, Y.L.Liu: J.Magn.Magn.Mater, Vol. 310 (2007), p. 17 [9] N.Rezlescu, L.Sachelarie, E.Rezlescu, C.L.Sava, P.Popa: Ceram.Int, Vol. 29 (2003), p. 107 [10] B.P.Rao,C.O.Kim,C.G.Kim,Mater.Lett, Vol. 16 (2007), p. 1601 [11] Jotania R B,Khomane R B,Chatelon JP, et al: J.Magn.Magn.Mater, Vol. 320 (2008), p.1095 [12] Radwan M, Rashad M M: Journal of Materials Processing Technology, Vol. 181 (2007), p. 106 [13] Pablo Hernandez-Gomez, Carlos Torres, et al: Magnet Magnet Mater, Vol. 304 (2006), p. 766 [14] WANG Xiaorui, JIN Minglin, et: Materials Review, Vol. 22 (2008), p. 105
Online since: May 2013
Authors: Yan Zeng Wu, Ze Fu Luo, Shi Ming Cui, Qingyuan Wang
Specimens and experimental methods
The materials used in the present study are rail steel, U71Mn and U75V, which widespread application in track industry.
ACKNOWLEDGEMENT This work was financially supported by Chinese National Science Foundation (No.10925211).
Chen, Fatigue crack growth of bonded composite repairs in gigacycle regime, International Journal of Fatigue, Vol. 28 (2006), P. 1197-1201 [8] Zhi Yong Huang, Danièle Wagner, Qing Yuan Wang, Claude Bathias, Effect of carburizing treatment on the “fish eye” crack growth for a low alloyed chromium steel in very high cycle fatigue, Materials Science and Engineering: A, Vol. 559 (2013), P. 790-797 [9] H.Q.
Bathias, Damage mechanism of a nodular cast iron under the very high cycle fatigue regime, Journal of Materials Processing Technology, Vol. 202 (2008), P. 216-223 [10] Israel Marines-Garcia, Paul C.
Paris, Hiroshi Tada, Claude Bathias, Fatigue crack growth from small to long cracks in very-high-cycle fatigue with surface and internal “fish-eye” failures for ferrite-perlitic low carbon steel SAE 8620, Materials Science and Engineering: A, Vol. 468–470 (2007), P. 120-128 [11] Israel Marines-Garcia, Paul C.
ACKNOWLEDGEMENT This work was financially supported by Chinese National Science Foundation (No.10925211).
Chen, Fatigue crack growth of bonded composite repairs in gigacycle regime, International Journal of Fatigue, Vol. 28 (2006), P. 1197-1201 [8] Zhi Yong Huang, Danièle Wagner, Qing Yuan Wang, Claude Bathias, Effect of carburizing treatment on the “fish eye” crack growth for a low alloyed chromium steel in very high cycle fatigue, Materials Science and Engineering: A, Vol. 559 (2013), P. 790-797 [9] H.Q.
Bathias, Damage mechanism of a nodular cast iron under the very high cycle fatigue regime, Journal of Materials Processing Technology, Vol. 202 (2008), P. 216-223 [10] Israel Marines-Garcia, Paul C.
Paris, Hiroshi Tada, Claude Bathias, Fatigue crack growth from small to long cracks in very-high-cycle fatigue with surface and internal “fish-eye” failures for ferrite-perlitic low carbon steel SAE 8620, Materials Science and Engineering: A, Vol. 468–470 (2007), P. 120-128 [11] Israel Marines-Garcia, Paul C.
Online since: May 2018
Authors: Ahmed M. El-Khatib, Mohamed S. Badawi, Gamal D. Roston, Alaa M. Khalil, Moustafa M. Mohamed, Ramy M. Moussa
Journal of Magnetism and Magnetic Materials 423, 133-139 (2017)
Materials Science and Engineering: B 177, 428-435 (2012)
Materials Sciences and Applications 2, 1307 (2011)
International Journal of Minerals, Metallurgy, and Materials 21, 408-414 (2014)
Materials Sciences and Applications 1, 19 (2010)
Materials Science and Engineering: B 177, 428-435 (2012)
Materials Sciences and Applications 2, 1307 (2011)
International Journal of Minerals, Metallurgy, and Materials 21, 408-414 (2014)
Materials Sciences and Applications 1, 19 (2010)
Online since: August 2017
Authors: Namurata Sathirachinda Palsson, Ekkarut Viyanit, Aphichart Rodchanarowan, Wongpat Banthukul
In this context, the formation of corrosion can lead to high investment cost dealing with corrosion mitigation strategy, e.g. materials selection, electrochemical corrosion control, etc.
Based on materials selection perspectives, it is very necessary to have proper understanding of localized corrosion behaviors of metallic materials under solution droplet.
Moreover, depositions from airborne transport, liquid washing and rainfall or flowing were also reported as atmospheric factors causing corrosion of materials [1, 2].
A Fast Standard Instrument Using Computer Image Analysis, Journal of Colloid and Inter JA Science, Vol.141 (1), Jan 1991
Nishikata, Pitting Corrosion of Stainless Steel 430 in the Presence of Thin MgCl2 Solution Films: Effects of Film Diameter and Thickness, Materials Transactions, Vol. 56, No. 8 (2015) pp. 1219 to 1225
Based on materials selection perspectives, it is very necessary to have proper understanding of localized corrosion behaviors of metallic materials under solution droplet.
Moreover, depositions from airborne transport, liquid washing and rainfall or flowing were also reported as atmospheric factors causing corrosion of materials [1, 2].
A Fast Standard Instrument Using Computer Image Analysis, Journal of Colloid and Inter JA Science, Vol.141 (1), Jan 1991
Nishikata, Pitting Corrosion of Stainless Steel 430 in the Presence of Thin MgCl2 Solution Films: Effects of Film Diameter and Thickness, Materials Transactions, Vol. 56, No. 8 (2015) pp. 1219 to 1225
Online since: November 2011
Authors: Hong Jie Pei, Gui Cheng Wang, Lei Yang, Wei Song, Wen Jie Zheng
Vibration tapping is capable to tap the deep and small hole in difficult-to-machine materials.
And if the thread holes are small and deep, the tapping process becomes difficult, especially for difficult-to-machine materials such as titanium alloys.
Chen: International Journal of Mechanical Sciences Vol.40 (1998), pp.1209-1222
Wang: Journal of Materials Processing Technology Vol.132 (2003), pp.345-352
Kuo: Journal of Materials Processing Technology Vol.192-193 (2007), pp.306-311
And if the thread holes are small and deep, the tapping process becomes difficult, especially for difficult-to-machine materials such as titanium alloys.
Chen: International Journal of Mechanical Sciences Vol.40 (1998), pp.1209-1222
Wang: Journal of Materials Processing Technology Vol.132 (2003), pp.345-352
Kuo: Journal of Materials Processing Technology Vol.192-193 (2007), pp.306-311
Online since: April 2018
Authors: János Lukács, Ádám Dobosy, Marcell Gáspár
Introduction
One of the basic trends of automotive industry is the environmental impact reduction, in other words the consumption reduction due weight decreasing, which can be approached from materials science of view, by applying different high strength materials [1] (steels, aluminium alloys and composites).
Base materials and filler metals.
Siménfalvi, Determination of Power Consumption for Suspension Mixing in Stirring Equipments and Stirred Ball Mills, Journal of Materials Science and Engineering A, 2 (2012) No 7, 572-578
Suarez et al., Effects of Ultrasonics-Assisted Face Milling on Surface Integrity and Fatigue Life of Ni-Alloy 718, Journal of Materials Engineering and Performance, 25 (2016) 5076-5086
Lukács, Fatigue crack propagation limit curves for different metallic and non-metallic materials, Materials Science Forum, 414-415 (2003) 31-36
Base materials and filler metals.
Siménfalvi, Determination of Power Consumption for Suspension Mixing in Stirring Equipments and Stirred Ball Mills, Journal of Materials Science and Engineering A, 2 (2012) No 7, 572-578
Suarez et al., Effects of Ultrasonics-Assisted Face Milling on Surface Integrity and Fatigue Life of Ni-Alloy 718, Journal of Materials Engineering and Performance, 25 (2016) 5076-5086
Lukács, Fatigue crack propagation limit curves for different metallic and non-metallic materials, Materials Science Forum, 414-415 (2003) 31-36
Online since: May 2011
Authors: Jian Qiang Liu, Wan Guo Hou, Xing Qi Fu, Jian Ye Song, Yun Xu Fu
China
3College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P.
Introduction The organic-inorganic hybrid assemblies based on the intercalation of Layered double hydroxide (LDH) have long been of interest to scientists owing to the possibility of altering the electrical, optical, thermal and magnetic properties of the intercalated nanocomposite materials [1-5].
The d003 value is the interlayer distance (d-spacing) of the layered materials.
This technique could be applied to prepare other organic/LDH nanocomposites or functional materials.
Qu: Journal of Polymer Science: Part B: Polymer Physics Vol. 44 (2006), p. 3165 [4] A.
Introduction The organic-inorganic hybrid assemblies based on the intercalation of Layered double hydroxide (LDH) have long been of interest to scientists owing to the possibility of altering the electrical, optical, thermal and magnetic properties of the intercalated nanocomposite materials [1-5].
The d003 value is the interlayer distance (d-spacing) of the layered materials.
This technique could be applied to prepare other organic/LDH nanocomposites or functional materials.
Qu: Journal of Polymer Science: Part B: Polymer Physics Vol. 44 (2006), p. 3165 [4] A.