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China 2Provincial key Lab of Advanced Welding Technology, School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang Jiangsu 212003, P.
ASM International, Materials Park, Ohio, 2003
[6] Liu Huijie, Feng Jicai, Vacuum brazing TiAl-based alloy to 40Cr steel using Ag-Cu-Zn filler metal, Journal of Materials Science Letters 21, 2002, 9–10
International Journal of Materials Research, 2010, 101(11): 1436-1440
The development of silver-based cadmium-free contact materials.

They occur due to rubbing or sliding actions of the engineering materials.
Z, Yang.J, High-temperature solid-lubricating materials: A review.
I, The role of solid lubricants for brake friction materials.
Key Engineering Materials, 368–372(2018), 1088–1091
Series: Materials Science and Engineering, 561 November (2019) 012080

These areas in many cases contain abundant loose source materials that support sufficient replenishment for debris flow to such volumes that bring about catastrophic hazards.
Debris flow, however is highly viscous and nearly incompressible flow composed of water and materials with suspended silt and clay [25-26], and to some extent like the density current.
Blown: Canadian journal of earth science, Vol.22(1985), p.1492-1502
Geng: Journal of mountain science, Vol.23,no.4(2005):p.399-405
Science Press (1987)

Peter Kopcǎnský3,e, Veronika Gdovinova3,f 1Physical Department, College of Science, Baghdad University, Baghdad, Iraq, 2 Materials Research Directorate, Ministry of Science and Technology, Baghdad, Iraq, 3Institute of Experimental Physics SAS, Watsonova 47, 040 01 Košice, Slovakia arabi942@yahoo.com, bSoudadbassam@gmail.com, crawak2070@gmail.com, daseelibrahim208@gmail.com, eKopcan@saske.sk, fgdovinova@saske.sk Keyword: Ferronematic (FN), Electro-Optic Properties, Rise Time, Fall Time, Response Time, Threshold Voltage Abstract: In this work we have studied the electro-optical effect of two types of ferronematic nanoparticles.
The difference in the two types of material that has been vaccinated led to different values of electro-optic properties because of the different susceptibility of materials.
We have noticed that the material SbSI was more responsive to the applied electric field due to the nature of the constituent material (electric material) than the Fe3O4 ferromagnetic.
Jadzyn , “The structural transitions in 6CHBT-based ferronematic droplet” , Journal of Physics, vol.20,(2008) , p.1
Kaszynski, “an assessment of carborane-containing liquid crystals for potential device application” , Organic Materials Research Group, J.

Through above experiments, material type of metal chips can be analyzed and material mark can be determined by comparison with the materials list used in the aeroengine.
Material mark also can be determined compared with materials list used in the aeroengine.
Non-metal chips mainly include non-metal sealing materials, rubbers and carbon deposition.
In engineering practice, chips of non-metal sealing materials are most frequent.
Journal of Basic Science and Engineering，Vol.8(2000): p.431 (in Chinese) [5] LI Yanjun， Zuo Hongfu, Wu Zhenfeng.

However, these materials are fundamentally different from layered materials, such as mica, containing hydrogen bonds.
However, this model is not suitable for crystalline materials.
Materials and Methods of Research The following materials were studied: mica phlogopite KMg3(Si3AlO10)(F,OH)2 and muscovite KAl2(AlSi3O10)(OH)2, which are the basis for the manufacture of electrical insulating materials such as collector and gasket micanites, micafolium, glassmicanite, mica tape, mica plastics and other materials.
[5] Hiroshi Murata, Seung Chul Choi, Kunihito Koumoto and Hiroaki Yanagida  High-temperature electrical breakdown in single crystal and polycrystalline MgO Journal of Materials Science 20 (1985) 4507–4513
Journal of Nano-and Electronic Physics 6 (3) (2014) 03048

Biodegradable metallic materials gain space in implantable materials field based on the applications that can fulfill.
B.McCullough, Revolutionizing orthopaedic biomaterials: The potential of biodegradable and bioresorbable magnesium –based materials for functional tissue engineering, Journal of Biomechanics, 47 (2014), 1979-1986
Cimpoesu, Preliminary results of FeMnSi+Si(PLD) alloy degradation, Key Engineering Materials. 638 (2015), 117-122
Shanov, Corrosion protection of biodegradable magnesium implants using anodization, Materials Science and Engineering C 31 (2011), 215–223
Niinomi, Mechanical biocompatibilities of titanium alloys for biomedical applications, Journal of the Mechanical Behavior of Biomedical Materials 1 (2008), 30–42.

The important example of the modern composite materials are functionally graded materials, (e.g. [1-6]) or polycrystalline materials having thin metallic layers between material components (e.g. [7-10]).
Therefore, the present analysis will be developed for more complex geometries and structural parts made of different materials.
References [1] V.Birman, L.V.Bryd, Modelling and Analysis of Functionally Graded Materials and Structures.
[8] L.A.Gömze, L.N.Gömze, Alumina-based hetero-modulus ceramic composites with extreme dynamic strength – phase transformation of Si3N4 during high speed collision with metallic bodies, Ĕpitöanyag – Journal of Silicate Based and Composite Materials 61 (2009) 38-42
Sadowski, S.D.Dimitrova, Computational simulations of thermal shock cracking by the virtual crack closure technique in a functionally graded plate, Computational Materials Science 116 (2016) 11-21

Scanning electron microscopy was used to observe the surface structure of materials.
Materials and Methods Raw material.
Characterization of raw materials.
Results and Discussion Chemical composition of materials.
Eduok: Australian Journal of Basic and Applied Science Vol. 5 (2011), p. 1202-1208 [19] A.

Ignition time is one of the important parameters to characterize the fire hazard of the materials [4, 15].
Mouritz, Post-fire flexural properties of fibre-reinforced polyester, epoxy and phenolic composites, Journal of Materials Science, vol. 37, pp. 1377-1386, 2002
Liew, Experimental study on ignition and combustion characteristics of typical oils, Fire and Materials, vol. 38, pp. 409-417, 2014
Bhargava, Flammability properties for charring materials,” Fire Safety Journal, vol. 38, pp. 219-228, 2003
Quintiere, A theoretical basis for flammability properties, Fire and Materials, vol. 30, pp. 175-214, 2006