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Introduction With the wide application of nanotechnology, nano-ceramic produced consequently, people hope to overcome the brittleness of ceramic materials, make ceramic be flexibility and processability like metal.
Research showed that, whether to grind easy grinding material or grind difficult grinding materials, there is a “ material initial entry force”, before reaching the initial entry force, grinding process is only sliding action, without cutting action, initial entry force in hard grind material is bigger than it in easy grinding material. in given grinding conditions, material initial entry force is mainly related to workpiece material properties ( hardness, fracture toughness, microstructure and so on ), wheel parameters ( grinding particle size, particle concentration and binder type etc.) and the rigidity of the machine tool and so on.
International Journal of Advanced Manufacturing Technology.
Surface Integrity in Machining Hard-brittle Materials.Journal of Japan Society for Abrasive Technology, Mar2010
Materials science ＆ Engineering ,Jun 2012,vol 547.

Supported by National Nature Science Foundation of P.R.China(59889101) Research on inner cracks healing of metal materials plays an important role in constituting the recovery theory of materials.
In situ, real-time and dynamic observation of inner cracks healing of materials is an effective way to study mechanism of cracks healing.
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Khor: Production of Metal Matrix Composite Part by Powder Injection Moulding, Journal of Materials Processing Technology, Vol. 108 (2001), p. 398-407
Katsuyoshi: Magnesium research Trenmd in Japan, Materials Science Forum.
Feedstock and Injection Moulding, International Journal of Refractory Metals & Hard Materials, Vol. 24 (2006), p. 253-262
Khalil: Effect of Powder Loading on Metal Injection Moulding Stainless Steel, Journal of Materials Processing Technology, Vol. 183 (2007), p. 432-439
Journal of Materials Processing Technology, Vol. 137 (2003), p. 132-137

It is frequently used for testing of metallic materials (steel, aluminium, etc. – i.e. materials with relatively high tensile strength in comparison to cementitious composites).
However, several problems come out in the case of quasi-brittle materials.
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Jiaozuo, Henan, 454000, China; 2School of Safety Science and Engineering, Henan Polytechnic University.
The paper assumes that coal containing gas is of isotropic elastic-plastic medium, and regards gas coal as linear isotropic material.
(In Chinese) [2] Ping Lu, Zhaowu Sheng, Guiwang Zhu, Encai Fang, The effective stress and mechanical deformation and damage characteristics of gas-filled coal, Journal of China University of Science and Technology. 31(2001) 686-693.
(In Chinese) [5] Bin Liang, Jianjun Liu, Jinshan Wang, The study of coupling effect of coal and gas under unequal temperature, Journal of Liaoning Technical University (Natural Science). 18(1999) 483-486.
Journal of Natural Gas Industry. 26(2006) 86-89.

Salim, Silver Doped Niobium Pentoxide nanostructured thin film, Optical Structural and Morphological Properties, IOP Conference Series Materials Science and Engineering 454(1) (2018) 012174
Chowdari, Metal Oxides and Oxysalts as Anode Materials for Li Ion Batteries, Chem.
Saimon, Impact of substrate type on the microstructure of H-Nb2O5 thin film at room temperature, International Journal of Nanoelectronics and Materials 11(Special Issue BOND21) (2018) 55-64 [43] B.
Saimon, Niobium pentoxide thin film prepared using simple colloidal suspension for optoelectronic application, International Journal of Nanoelectronics and Materials 11(2) (2018) 127-134 [46] S.
Journal of Biomedical Materials Research Part A, 79A (2006) 166-175 [57] C.

ALD has been explored for the deposition of various materials, including ZnO.
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Elam: Advanced Materials, 21 (2009) 232
Choy: Journal of Vacuum Science and Technology B, 27 (2009) 1765

Sebaie, Journal of Materials Processing Technology 214, (2014), 828 – 838
El-Sebaie, Journal of Materials Processing Technology 216, (2015), 520–528
Ming-Nan, Journal of Materials Processing Technology , 140, (2003) 441–447
Karimi Taheri, Journal of Materials Processing Technology, 166, (2005), 163 – 172
Nielsen, Journal of Materials Processing Technology, 170, (2005), 524–535

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Ahmad: Materials Science and Technology Vol. 26 (2010), p. 95-103
Kear: International Journal of Refractory Metals and Hard Materials Vol

Yang: Journal of Materials Engineering and Performance,Vol.22 (2013), p.2019 [2] W.
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Shan: Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing, Vol.580 (2013), p. 294 [11] D.