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It is used to machine not only traditional materials, but also hard-to-machine materials even polymer matrix composites [2].
Karpuschewski: Journal of Materials Processing Technology Vol. 149 (2004), P. 30–36 [4] J.
Guo: Journal of Materials Processing Technology Vol. 121 (2002), P. 390-394 [5] J.
Journal of Materials Processing Technology. 121 (2002) 390-394
Key Engineering Materials Vol. 431 (2010), P.102-105

Chinese scholars included LIU Zhi-xiang (LIU et al.,2004),using cemented tailings for filling materials [1]; YAO Jian (YAO et al.,2006) ,using phos-phogypsum and fly ash cemented as filling materials[2]; ZHAO Cai-zhi (ZHAO et al.,2008) ,using PL paste cementing material (ordinary Portland cement, gyp-sum, lime and many kinds of admixture composed), fly ash, SiHe’s sand for filling materials[3]; WEI Xiu-quan (WEI et al.,2009), CUI Zeng-di (CUI et al.,2010), HE Li-hui (HE et al.,2011) and LI Meng (LI et al.,2012),using coal gangue, fly ash as the main aggregate of coal gangue setting fill materials, experimentizing the paste filling material on the mechanical properties respectively, and elastic modulus, strength and deformation performance of filling material was studied[4-7].
Filling body can reach engineering strength requirements af-ter plastic strengthen and then users can reduce the cost of filling materials to achieve better economic benefits.
Experimental research on phosphogypsum and fly ash cementation filling materials.
CUMT Journal, 33(2):159-161 [4] X Q Wei, H H Sun, Y Y Wang, 2009.
Journal of china coal society, 35(6):896-899 [6] M Li , J F X, G Y Song, 2012.

LaNi5 alloy is one of the promising materials for hydrogen storage.
Furthermore, the materials were measured by the means of X-Ray Diffraction(XRD) in order to investigate the change of alloy composition after 100 cycles.
Acknowledgement The financial support from the Natural Science Foundation of China (No.51106118) is greatly acknowledged by the authors.
Hahne, J Kallweit, Thermal conductivity of metal hydride materials for storage of hydrogen: experimental investigation, International Journal of Hydrogen Energy. 23(1998) 107-114
Yang, Investigation on cycling hydrogen storage properties of LaNi5-xAlx (x=0~1.2) alloys, Rare Metal Materials and Engineering. 40(2011) 1921-1924

Rocking Mechanism of Masonry Portals with Circular Arches Marco PIEDIGROSSI1,a*, Simona COCCIA2,b and Fabio DI CARLO3,c 1 University of Rome “Tor Vergata”, Department of Civil Engineering and Computer Science Engineering, via del Politecnico 1, 00133 Roma, Italy 2 Assistant Professor, University of Rome “Tor Vergata”, Department of Civil Engineering and Computer Science Engineering, via del Politecnico 1, 00133 Roma, Italy 3 Postdoctoral Fellow, University of Rome “Tor Vergata”, Department of Civil Engineering and Computer Science Engineering, via del Politecnico 1, 00133 Roma, Italy apiedigrossi.marco@gmail.com, bcoccia@ing.uniroma2.it, cdi.carlo@ing.uniroma2.it Keywords: limit analysis, no tension material, rocking, portals, circular arch.
Heyman, The stone skeleton, International Journal of solids and structures. 2(2) (1966)
Como, Minimum thrust of rounded cross vaults, International Journal of Architectural Heritage. 9(4) (2015) 468-484
Piedigrossi, Dynamics of masonry pointed arches under base motion: submitted to International Journal of Masonry Research and Innovation (2017)
Heyman, The stone skeleton, International Journal of solids and structures. 2(2) (1966)

Preparation Procedure Primary Material.
Preparation of nano-magnetic fluid using plasma technique and its application in safety valves.Surface & Coatings Technology.2007, Vol.201, 5371～5373 [5] Inessa Bolshakova, M.Bolshakov,A.Zaichenko,etc.The investigation of the magnetic fluid stability using the devices with magnetic field microsensors[J].Journal of Magnetism and Magnetic Materials. 2005,Vol.289:108～110 [6] Jongwoo Jun,Jinyi Lee.Nondestructive evaluation of cracks in a paramagnetic specimen with low conductivity by penetration of magnetic fluid[J].NDT&E International. 2009, Vol.42: 297～303 [7] Carlos Rinaldi,Arlex Chaves,Shibab Elborai,etc.Magnetic fluid rheology and flows [J].
Journal of Colloid and Interface Science. 2007,Vol.309,135～139 [9] Proceedings of the Eleventh International Conference on Magnetic Fluids.Latvia.July,2007 [10] A.V.Lebedev, S.N.Lysenko.
Magnetic fluids stabilized by polypropylene glycol.Journal of Magnetism and Magnetic Materials.2010,Vol.323,1198～1202 [11] Proceedings of the Tenth International Conference on Magnetic Fluids.Guarujá,Brazil.August, 2004 [12] Decai Li.Theory and application of magnetic fluid (in Chinese).
Beijing: Science Publishing Company. 2003,16 [13] Cui hairong.

Foucaran: Materials Science and Engineering: B, vol. 97 (2003) p. 68-73 [3] S.Singh, R.
[11] Hyoun Woo Kim and Nam Ho Kim : Materials Science and Engineering: B, vol. 103, pp. 297-302, 2003
[14] J.I.Son, J.H.Shim, and N.H.Cho, "Variations in electrical and physical properties of Al: ZnO films with preparation conditions," Metals and Materials International, vol. 17, pp. 99-104, 2011
Liu, and J.S.Yang:Materials Chemistry and Physics, vol. 72, pp. 269-272, 2001
Bandyopadhyay, and S Bose:Materials Science and Engineering: B, vol. 164 (2009) p. 38-43.

PMMA is used in its pure state and as elements of composite materials.
Peridynamic micromechanical prediction of nonlocal damage initiation and propagation in DP steels based on real microstructure, International Journal of Mechanical Sciences, 153–154: 64–74 [7] Shank S.
Peridynamic simulation of crack propagation of non-homogeneous brittle rock-like materials.
Journal of Mechanical Engineering and Sciences, 13(4), 5735-5752
Multidiscipline Modelling in Materials and Structures, 11(4), 579-597

Materials and Methods Materials In this study, waste metallic plastics used for local food packaging were collected and cleaned to remove any impurities.
Construction and Building Materials, vol. 347 (2022).
Bamaga, Physical and mechanical properties of mortars containing date palm fibers, Journal of Materials Research.
Sanei, Recycling unrecycled plastic and composite wastes as concrete reinforcement, Journal of Composites Science. 7 (1) (2023) 11.
Zidi, The effect of doum palm fibers on the mechanical and thermal properties of gypsum mortar, Journal of Composite Materials.

Electrochemical discharge machining (ECDM) of metallic materials is based on synergetic action of anodic dissolution with erosive effect of electrical discharges in material removal process.
Drilling by ECDM can be applied for hard to be cut materials, when no drilling by chip cutting can be applied and no EDM machine is available.
Defence Science Journal. 57 (5) (2007) 765-770
Liao, Study of electrochemical discharge machining technology for slicing non-conductive brittle materials.
Journal of Materials Processing Technology. 149, 1-3 (2004) 363-369

Nowadays, both solder alloys (leaded or lead-free)[5] and conductive adhesives [6] are commonly accepted as die-attach materials for use at operating temperatures below 300℃.
Ishida, Development of new class of electronic packaging materials based on ternary systems of benzoxazine, epoxy, and phenolic resins, Polymer, 41 (2000) 7941-7949
Creep properties of low-temperature sintered nano-silver lap shear joints, Materials Science and Engineering: A, 41 (2013) 108-113
Lu, et al, Low-temperature sintering with nano-silver paste in die-attached interconnection, Journal of Electronic Materials, 36 (2007) 1333-1340
[11] L Yin, L Yang, G Xu, et al, Effects of die-attach materials on the optical durability and thermal performances of HP-LED, 12th ICEPT-HDP, Shanghai, China (2011) 1116-1119