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研究生:VEERAMANIKANDAN RAJAGOPAL
研究生(外文):VEERAMANIKANDAN RAJAGOPAL
論文名稱:Influence of different process and catalyst on hydrogen storage properties of AZ31- x Ni (x= 0,2,4) alloy
論文名稱(外文):Influence of different process and catalyst on hydrogen storage properties of AZ31- x Ni (x= 0,2,4) alloy
指導教授:黃崧任
指導教授(外文):Song-Jeng Huang
口試委員:丘群王金燦林景琦
口試委員(外文):Chun ChiuChin-Tsan WangJing-Chie Lin
口試日期:2018-06-20
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:機械工程系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2018
畢業學年度:106
語文別:英文
論文頁數:103
中文關鍵詞:AZ-Ni alloysEqual channel angular pressing (ECAP)High energy ball milling (HEBM)Ni catalystHydrogenation properties
外文關鍵詞:AZ-Ni alloysEqual channel angular pressing (ECAP)High energy ball milling (HEBM)Ni catalystHydrogenation properties
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In this research, AZ31 alloy with the varying compositions such as AZ31- X Ni (X= 0, 2, 4) were prepared as the hydrogen storage materials to compare two processes equal channel angular pressing (ECAP) and the high energy ball milling (HEBM) to compare the processing effect. In addition, the effect of adding the Ni as a catalyst on the hydrogen storage experiment were investigated.
The alloy material that was prepared by the casting and treated through the ECAP process shows the maximum hydrogen storage capacity of 7.0 wt.% in 2322 seconds and desorbed the entire hydrogen in less than 5 minutes at the temperature of 375 °C. From the results, the ECAP process reduce the grain size dramatically, which can act as the nucleation site for hydrogen gas to penetrate.
It could be understanding from XRD pattern, the AlNi phase was dissolved into the matrix during the ECAP process considered as the solid solution. It is presumed that the dissolved, solid solution phase influences and enhances the quantity of magnesium that involved into the reaction causes the capacity increased with the increment of Ni amount. Some of the Ni react with the Mg to produce a tiny amount of Mg2NiH4 after hydrogenation confirms the R-Mg (Reactive magnesium) is larger in quantity.
In the case of HEBM the AlNi phase does not dissolve during milling time and it founded that the AlNi after hydrogenation confirms that the compound does not participating in the reaction with hydrogen molecules. So the increment of the Ni content in the matrix caused the reduction of capacity. Thus the pure AZ31 alloy absorbed the maximum capacity of 6.5 wt.% and for AZ31-2Ni, AZ31-4Ni absorbed 6.4, 6.2 wt.% respectively in HEBM.
The activation energy calculations found by the Kissinger plot. it could be understanding that the addition of the Ni content reduces the activation energy value to 104.73 (kJ/mol) as compare to the previous study for the samples deformed by ECAP.
In this research, AZ31 alloy with the varying compositions such as AZ31- X Ni (X= 0, 2, 4) were prepared as the hydrogen storage materials to compare two processes equal channel angular pressing (ECAP) and the high energy ball milling (HEBM) to compare the processing effect. In addition, the effect of adding the Ni as a catalyst on the hydrogen storage experiment were investigated.
The alloy material that was prepared by the casting and treated through the ECAP process shows the maximum hydrogen storage capacity of 7.0 wt.% in 2322 seconds and desorbed the entire hydrogen in less than 5 minutes at the temperature of 375 °C. From the results, the ECAP process reduce the grain size dramatically, which can act as the nucleation site for hydrogen gas to penetrate.
It could be understanding from XRD pattern, the AlNi phase was dissolved into the matrix during the ECAP process considered as the solid solution. It is presumed that the dissolved, solid solution phase influences and enhances the quantity of magnesium that involved into the reaction causes the capacity increased with the increment of Ni amount. Some of the Ni react with the Mg to produce a tiny amount of Mg2NiH4 after hydrogenation confirms the R-Mg (Reactive magnesium) is larger in quantity.
In the case of HEBM the AlNi phase does not dissolve during milling time and it founded that the AlNi after hydrogenation confirms that the compound does not participating in the reaction with hydrogen molecules. So the increment of the Ni content in the matrix caused the reduction of capacity. Thus the pure AZ31 alloy absorbed the maximum capacity of 6.5 wt.% and for AZ31-2Ni, AZ31-4Ni absorbed 6.4, 6.2 wt.% respectively in HEBM.
The activation energy calculations found by the Kissinger plot. it could be understanding that the addition of the Ni content reduces the activation energy value to 104.73 (kJ/mol) as compare to the previous study for the samples deformed by ECAP.
Abstract.......................................................................................................................i
1. INTRODUCTION 1
1.1 Forewords 1
1.2. Motivation of Research 3
2. PRINCIPLES AND LITERATURE REVIEW 5
2.1 Hydrogen storage methods and technology 5
2.1.1 High pressure gaseous hydrogen storage 5
2.1.2 Low temperature liquid hydrogen storage 7
2.1.3 Solid state hydrogen storage 8
2.2 Hydrogen absorption and desorption properties 12
2.2.1 Hydrogenation Kinetic properties 12
2.2.2 Activation energy calculations 14
2.2.3 Thermodynamic properties 15
2.2.4 PCT (pressure composition isotherm) curve 17
2.3 Solid hydrogen storage alloys 20
2.3.1 Magnesium based alloy materials 21
2.3.2 Transition metals in hydrogen storage 23
2.3.3. Preparation of metal matrix by stir casting method. 26
2.3.4. Severe plastic deformation process. 27
2.3.5 Mechanical alloying process - Ball milling process. 31
2.4 Literatures of magnesium based materials hydrogen storage properties. 34
2.4.1 Literature of Mg based materials by adding catalyst transition metals Ni. 34
2.4.2 Literature of Mg based materials by Equal channel angular pressing process. 36
2.4.3 Preparation of Magnesium Based Hydrogen Storage Material by High Energy Ball Milling. 43
2.4.4 Literature conclusions 46
3. EXPRIMENTAL METHODS AND PROCEDURES 47
3.1 Experimental process flow 47
3.2 Materials preparation and experimental methods. 48
3.2.1. Materials and preparation procedures 48
3.2.2 Heat treatment homogenization Furnace 49
3.2.3 Equal channel angular pressing method 50
3.2.4 High Energy ball milling process 51
3.2.5 Scanning Electron Microscope 53
3.2.6 X-ray Diffractometer Analysis 54
3.3 Hydrogenation measurement system Sieverts- type 55
4.RESULTS AND DISCUSSION 57
4.1 Micro hardness 57
4.2. Microstructure analysis with heat treatment and ECAP process 58
4.3 SEM observations of alloy powders 65
4.4 Particle size distribution analysis 70
4.5 XRD analysis results 72
4.6 Hydrogen absorption and desorption kinetic properties. 75
4.7.DSC Analysis-activation energy calculations 82
5. Conclusions 84
6.References 86
[1] R. Krishna, E. Titus, M. Salimian, O. Okhay, S. Rajendran, A. Rajkumar, et al., "Hydrogen Storage for energy application," in Hydrogen Storage, ed: InTech, 2012.
[2] Y. Jia, C. Sun, S. Shen, J. Zou, S. S. Mao, and X. Yao, "Combination of nanosizing and interfacial effect: future perspective for designing Mg-based nanomaterials for hydrogen storage," Renewable and Sustainable Energy Reviews, vol. 44, pp. 289-303, 2015.
[3] http://www.intechopen.com/books/hydrogen-storage/hydrogen-storage-for-energy-application.
[4] U. Eberle, G. Arnold, and R. Von Helmolt, "Hydrogen storage in metal–hydrogen systems and their derivatives," Journal of Power Sources, vol. 154, pp. 456-460, 2006.
[5] J. Xin, J. Wang, Y. Du, L. Sun, and B. Huang, "Site preference and diffusion of hydrogen during hydrogenation of Mg: A first-principles study," International Journal of Hydrogen Energy, vol. 41, pp. 3508-3516, 2016.
[6] M. Martin, C. Gommel, C. Borkhart, and E. Fromm, "Absorption and desorption kinetics of hydrogen storage alloys," Journal of Alloys and Compounds, vol. 238, pp. 193-201, 1996.
[7] G. Sandrock, "A panoramic overview of hydrogen storage alloys from a gas reaction point of view," Journal of alloys and compounds, vol. 293, pp. 877-888, 1999.
[8] L. Zhou, "Progress and problems in hydrogen storage methods," Renewable and Sustainable Energy Reviews, vol. 9, pp. 395-408, 2005.
[9] G. Liu, F. Qiu, J. Li, Y. Wang, L. Li, C. Yan, et al., "NiB nanoparticles: A new nickel-based catalyst for hydrogen storage properties of MgH2," international journal of hydrogen energy, vol. 37, pp. 17111-17117, 2012.
[10] J. J. Reilly Jr and R. H. Wiswall Jr, "Reaction of hydrogen with alloys of magnesium and nickel and the formation of Mg2NiH4," Inorganic chemistry, vol. 7, pp. 2254-2256, 1968.
[11] W. Yang, C. Shang, and Z. Guo, "Site density effect of Ni particles on hydrogen desorption of MgH2," international journal of hydrogen energy, vol. 35, pp. 4534-4542, 2010.
[12] S.-J. Huang, C. Chiu, T.-Y. Chou, and E. Rabkin, "Effect of equal channel angular pressing (ECAP) on hydrogen storage properties of commercial magnesium alloy AZ61," International Journal of Hydrogen Energy, vol. 43, pp. 4371-4380, 2018.
[13] A. Azushima, R. Kopp, A. Korhonen, D. Yang, F. Micari, G. Lahoti, et al., "Severe plastic deformation (SPD) processes for metals," CIRP Annals, vol. 57, pp. 716-735, 2008.
[14] J. C. Werenskiold, "Equal channel angular pressing (ECAP) of AA6082: mechanical properties, texture and microstructural development," 2004.
[15] F. J. Humphreys and M. Hatherly, Recrystallization and related annealing phenomena: Elsevier, 2012.
[16] L. Zheng, H. Nie, W. Liang, H. Wang, and Y. Wang, "Effect of pre-homogenizing treatment on microstructure and mechanical properties of hot-rolled AZ91 magnesium alloys," Journal of Magnesium and Alloys, vol. 4, pp. 115-122, 2016.
[17] J. Benjamin and T. Volin, "The mechanism of mechanical alloying," Metallurgical Transactions, vol. 5, pp. 1929-1934, 1974.
[18] N. Hanada, T. Ichikawa, and H. Fujii, "Catalytic effect of nanoparticle 3d-transition metals on hydrogen storage properties in magnesium hydride MgH2 prepared by mechanical milling," The Journal of Physical Chemistry B, vol. 109, pp. 7188-7194, 2005.
[19] Y. Lv, B. Zhang, and Y. Wu, "Effect of Ni content on microstructural evolution and hydrogen storage properties of Mg–xNi–3La (x= 5, 10, 15, 20 at.%) alloys," Journal of Alloys and Compounds, vol. 641, pp. 176-180, 2015.
[20] R. A. Varin, Z. Zaranski, T. Czujko, M. Polanski, and Z. S. Wronski, "The composites of magnesium hydride and iron-titanium intermetallic," international journal of hydrogen energy, vol. 36, pp. 1177-1183, 2011.
[21] Q. Zhang, Y. Xu, Y. Wang, H. Zhang, Y. Wang, L. Jiao, et al., "Enhanced hydrogen storage performance of MgH2Ni2P/graphene nanosheets," International Journal of Hydrogen Energy, vol. 41, pp. 17000-17007, 2016.
[22] N. Skryabina, N. Medvedeva, A. Gabov, D. Fruchart, S. Nachev, and P. de Rango, "Impact of Severe Plastic Deformation on the stability of MgH2," Journal of Alloys and Compounds, vol. 645, pp. S14-S17, 2015.
[23] A. M. Jorge Jr, E. Prokofiev, G. F. de Lima, E. Rauch, M. Veron, W. J. Botta, et al., "An investigation of hydrogen storage in a magnesium-based alloy processed by equal-channel angular pressing," international journal of hydrogen energy, vol. 38, pp. 8306-8312, 2013.
[24] A. Asselli, D. Leiva, J. Huot, M. Kawasaki, T. Langdon, and W. Botta, "Effects of equal-channel angular pressing and accumulative roll-bonding on hydrogen storage properties of a commercial ZK60 magnesium alloy," international journal of hydrogen energy, vol. 40, pp. 16971-16976, 2015.
[25] V. Skripnyuk, E. Buchman, E. Rabkin, Y. Estrin, M. Popov, and S. Jorgensen, "The effect of equal channel angular pressing on hydrogen storage properties of a eutectic Mg–Ni alloy," Journal of Alloys and Compounds, vol. 436, pp. 99-106, 2007.
[26] M. Krystian, M. Zehetbauer, H. Kropik, B. Mingler, and G. Krexner, "Hydrogen storage properties of bulk nanostructured ZK60 Mg alloy processed by equal channel angular pressing," Journal of Alloys and Compounds, vol. 509, pp. S449-S455, 2011.
[27] Á. Révész, M. Gajdics, L. K. Varga, G. Krállics, L. Péter, and T. Spassov, "Hydrogen storage of nanocrystalline Mg–Ni alloy processed by equal-channel angular pressing and cold rolling," international journal of hydrogen energy, vol. 39, pp. 9911-9917, 2014.
[28] M. Bououdina and Z. Guo, "Comparative study of mechanical alloying of (Mg+ Al) and (Mg+ Al+ Ni) mixtures for hydrogen storage," Journal of alloys and Compounds, vol. 336, pp. 222-231, 2002.
[29] Y. Tan, Q. Mao, W. Su, Y. Zhu, and L. Li, "Remarkable hydrogen storage properties at low temperature of Mg–Ni composites prepared by hydriding combustion synthesis and mechanical milling," RSC Advances, vol. 5, pp. 63202-63208, 2015.
[30] A. Zaldívar-Cadena, I. Díaz-Peña, and J. Cabañas-Moreno, "Dispersion of niquel on the microstructure in magnesium based alloys for hydrogen storage," Journal of Magnesium and Alloys, vol. 1, pp. 292-296, 2013.
[31] V. Skripnyuk, E. Rabkin, Y. Estrin, and R. Lapovok, "The effect of ball milling and equal channel angular pressing on the hydrogen absorption/desorption properties of Mg–4.95 wt% Zn–0.71 wt% Zr (ZK60) alloy," Acta Materialia, vol. 52, pp. 405-414, 2004.
[32] H. S. Tathgar, P. Bakke, E. Øvrelid, J. Fenstad, F. Frisvold, and T. A. Engh, "Solubility of Nickel in Molten Magnesium‐Aluminium Alloys Above 650° C," Magnesium Technology 2000, pp. 181-189, 2000.
[33] A. Muralidhar, S. Narendranath, and H. S. Nayaka, "Effect of equal channel angular pressing on AZ31 wrought magnesium alloys," Journal of Magnesium and Alloys, vol. 1, pp. 336-340, 2013.
[34] J. Soyama, M. R. M. Triques, D. R. Leiva, A. M. J. Junior, E. P. da Silva, H. C. Pinto, et al., "Hydrogen storage in heavily deformed ZK60 alloy modified with 2.5 wt.% Mm addition," international journal of hydrogen energy, vol. 41, pp. 4177-4184, 2016.
[35] C. Chiu, S.-J. Huang, T.-Y. Chou, and E. Rabkin, "Improving hydrogen storage performance of AZ31 Mg alloy by equal channel angular pressing and additives," Journal of Alloys and Compounds, vol. 743, pp. 437-447, 2018.
[36] H. Iwaoka, M. Arita, and Z. Horita, "Hydrogen diffusion in ultrafine-grained palladium: Roles of dislocations and grain boundaries," Acta Materialia, vol. 107, pp. 168-177, 2016.
[37] Wei Wu, Research ,Mechanical Properties of AZ61/SiCp Magnesium Alloy Composites during Extrusion and Post Annealing Processes in Reinforced Phase Particle Size and Content, Master's Thesis, National Taiwan University of Science and Technology, Mechanical Engineering, July 2014.
[38] Fan cheie, Effect of different process on hydrogen storage properties of AZmagnesium alloy, Master's Thesis, National Taiwan University of Science and Technology, Mechanical Engineering, July 2016.
[39] Y. Sun, C. Shen, Q. Lai, W. Liu, D.-W. Wang, and K.-F. Aguey-Zinsou, "Tailoring magnesium based materials for hydrogen storage through synthesis: Current state of the art," Energy Storage Materials, 2017.
[40] N. Liu, C. Liu, C. Liang, and Y. Zhang, "Influence of Ni Interlayer on Microstructure and Mechanical Properties of Mg/Al Bimetallic Castings," Metallurgical and Materials Transactions A, vol. 49, pp. 3556-3564, 2018.
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