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Now many scholars have been made a lot of theoretical and experimental studies on ultrasonic machining of hard and brittle materials [1-4].
Influence of ultrasonic vibration diamond tool on the critical depth of cut of brittle materials [J].
Journal of Materials Processing Technology .Vol. 209 (2009), p. 4490-4495 [4] M.J.
International Journal of Mechanical Sciences .Vol. 63 (2012) ,p. 1-11 [5] Indraneel Biswas·A.
Journal of Materials Processing Technology.

Chakravarti, New Finite Element Model for Welding Heat Sources, Metallurgical and Materials Transactions B 15(1984)299-305
Zhang, Forming appearance analysis in multi-layer single-pass GMAW-based additive manufacturing, International Journal of Advanced Manufacturing Technology (2015) 1767-1776 [6] J.
Zhang, Adaptive control of deposited height in GMAW-based layer additive manufacturing, Journal of Materials Processing Technology (2014) 962-968 [7] G.
Wykes, Rapid prototyping of metal parts by three-dimensional welding, Proceedings of The Institution of Mechanical Engineers Part B-Journal of Engineering Manufacture (1998) 175-182 [11] O.F.
Chinakhov, Investigating the influence of the power supply type upon the weld joints properties and health characteristics of the manual arc welding, Materials Science Forum704-705(2012)608-611

Materials Science and Technology Vol. 18 (2002), P.1001
The Chinese Journal of Nonferrous Metals, Vol. 16 (2006), P.1374.
Journal of Materials Processing Technology Vol. 118 (2001) P. 123
Journal of Achievements in Materials and manufacturing Engineering Vol. 24 (2007), P. 78
Journal of Achievements in Materials and manufacturing Engineering Vol. 34 (2009), P. 95

The failure stresses are calculated by the elasticity multi -layered theory, in which the neutral axis is determined by the mechanical properties of materials and the thickness of the layers.
Journal of Materials Research，l999, l4(2): l52-l6l
Modeling of elastic thermal stresses in two materials joined by a graded layer.
Journal of Applied Physics 2002, 91(12):9652–9656
Lara-Curzio, Mechanical properties of tape cast nickelbased anode materials for solid oxide fuel cells before and after reduction in hydrogen.

Wan: submitted to Journal of Materials Research (2010)
Amanifard: submitted to Journal of Applied Soft Computing (2010)
Choi, Junku Yuh. : submitted to Journal of Ocean Engineering(2009)
Dasgupta.: submitted to Journal of Ocean Engineering(2009)
Rees: submitted to Journal of Control Engineering Practice (1997)

In order to meet the related requirements, shotcrete must be rebuilt, thus it not only wastes the materials but also delays the construction time.
Journal of Zhejiang University (Engineering Science), 2004,38(2): 204-209
Journal of Rock Mechanics and Engineering, 2005, 24(10): 1703-1707
Journal of Chongqing Jiaotong University, 2003, 22(1): 5-8,27
Journal of Rock Mechanics and Engineering, 2004, 23(19): 3310-3316

Materials and Methods Experimental Materials.
J. journal of agro-Environment Science, 26 (2007) 132-135 [3] F Y Wang 1 ,2 ,3 , X G Lin 1 ,2 , R Yin 1 ,2 , Influence of Arbuscular Mycorrhizal Fungi on Growth and Cu Uptake of Elsholtzia splendens.
J Soil Science Society of America Journal, 69 (2005) 1861-1870 [6] W J Liu, Y G Zhu, Iron and Mn plaques on the surface of roots of wetland plants.
Journal of Shanxi Agricultural Sciences, 32 (2004) 33-38 [10] G B Jiang, Crop Nutrition Elements -Research of Calcium.
Agronomy Journal, 75 (1983) 267-272

As specific energies rise due to increased rubbing, so does FN/FT, with values over FN/FT~8 common and values of FN/FT>20 possible in very difficult-to-grind materials under non-aggressive grinding conditions.
In numerous grinding scenarios – ranging from ductile to brittle materials and Al2O3 to diamond abrasives – dull grits inevitably lead to greater rubbing energies and higher heat generation [1].
[5] Encyclopédie, ou dictionnaire raisonné des sciences, des arts et des métiers, 1752-1772
Krajnik, Geometric, kinematical and thermal analyses of non-round cylindrical grinding, Journal of Materials Processing Technology. 214/4 (2014) 818-827
Kopac, Modelling of grinding gap macro geometry and workpiece kinematics in throughfeed centreless grinding, Journal of Materials Processing Technology. 210/1 (2010) 104-109

The radiative properties of Er3+ red luminescence have been extensively studied and used in the development of materials for light emitting diodes (LED’s) highly useful in the visible spectral region.
In general, the optical and spectroscopic properties are strongly dependent on host materials.
The raw mixed materials were melted in a muffle furnace in air (at 1150 0C for 40 min).
The high values of stimulated emission cross-section suggest that the prepared glasses are potential candidates for the laser host materials and for low threshold, high gain applications. 4.
Optical properties of bismuth borate glasses, Optical Materials 26(3) (2004) 235-237

KMUTNB-64-KNOW-47, as well as from the Medical Instrumentation, Faculty of Applied Science, King Mongkut’s University of Technology North Bangkok and Materials Science and Nanotechnology Program, Department of Physics, Faculty of Science, Khon Kaen University.
Furlani, Magnetic Biotransport: Analysis and Applications, Materials 3(4) (2010) 2412-2446
Elbadawi: submitted to Journal of Elec.
Materials 320 (2008) 2311– 2315
Rieke, Magnetic Properties of Nanostructured Materials, Chem.