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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.
[6] Shen Yifu, Zhou Benlian, He Guanhu, et al.: Chinese journal of material research， Vol.10 (1996), p.165 [7] Xiao Yongliang, Guo Yi, Yao Ge, et al.: Chinese journal of material research， Vol.10 (1996), p.271 [8] Wei Dongbin, Han Jingtao, Xie Jianxin, et al.: Materials Review，Vol.13 (1999), p.10 [9] B.
Case: Journal of materials Science, Vol.32 (1997), p.3163 [10] B.
Case: Journal of Material Science, Vol.34 (1999),p.388

Materials and Methods Geopolymer preparation.
Wang, Li Sh, Mechanical performance an hydration mechanism of geoplymers reinforced by resin, Materials Science and Engineering A527 (2010) 6574-6580
Švarcova, Reinforcement of the terracotta sculpture by geopolymer composite, Materials Science and Engineering 30 (2009) 3229-3234
Nicolais, Effect of temperature on thermo-mechanical properties of Macro-Defect-Free cement-polymer composite, Journal of Materials Science 34-23 (1999) 5683-5687
Shurvell, Raman microscopy of some kaolinite clay materials, Canadian Journal of Applied Spectroscopy 41 (1996) 10-14

Kaner, One‐Dimensional Conducting Polymer Nanostructures: Bulk Synthesis and Applications, Advanced Materials, 21 (2009) 1487-1499
Sarkar, Self-assembled polyaniline nanorods synthesized by facile route of dispersion polymerization, Materials Letters, 63 (2009) 69-71
[11] Lei, Z., et al., Structural evolution and electrocatalytic application of nitrogen-doped carbon shells synthesized by pyrolysis of near-monodisperse polyaniline nanospheres, Journal of Materials Chemistry, 19 (2009) 5985-5995
Liu, Polyaniline Micro/Nano Capsules via Facile Interfacial Polymerization Approach, Soft Materials, 8 (2010) 29-38
[45] Vishnuvardhan, T., et al., Synthesis, characterization and ac conductivity of polypyrrole/Y 2 O 3 composites, Bulletin of Materials Science, 29 (2006) 77-83

Study on Environmental Materials with Analysis of the Characteristics and Formation Mechanism of Inland Saline Water in the Northwest of Shandong Fengjuan Zhang1,a,Liting Xing1,2,b,Changsuo Li3,c,Yong Zhang1,d, Liyan Wang1,e , Beibei Sun1,f and Juan Zhou1,g 1University of Jinan, Jinan,250022,China; 2Shandong Provincial Engineering Technology Research Center for  Groundwater Numerical  Simulation and Contamination Control,Jinan,250022,China; 3Shandong Institute of Geological Engineering Investigation,Jinan,250014, China afengjuan_zhangsyc@163.com,bxlting596@163.com,cstu_jnedu@126.com,dzhy_50711@163.com, ewangliyanwin@163.com,fbabytiankong@163.com,gzhoujuanstudy@163.com Keywords: Inland,Saline water,Characteristic,Formation mechanism Abstract: Study on characteristics and formation mechanism of inland saline water is conducive to develop and utilizing saline water resources scientifically and reasonably.
(2)Aquifer material with high clay mineral content and high clay content has strong adsorption and activated filtration to ion such as adsorbability, plasticity and ion-exchange performance.
At last, saline water treater by reverse osmosis material can also promote utilization of saline water resources.
Acknowledgments This paper is aided by the National Natural Science Foundation(41172222) and Science and Technology Development Plan Project of Jinan "Microscopic Flow Field of Large Karst Springs Discharge Area and Seepage Channel Research".
Study on hydro-geochemistry function in seawater intrusion:Geotechnical Investigation & Surveying(3):31-35 [2] Liu Q,Zheng XL and Ren JG(2008).Experimental study of column displacement in water-rock interaction during seawater intrusion:Marine Environmental Science27(8):443-447 [3] Ren JG,Wu QQ(2012).Multi-component ion exchange and transport in the seawater- fresh water transitional zone:Geology in China37(2):530-534 [4] Quan S,Feng J and An LS(2012).Shallow Groundwater Quality Evolution in Dezhou City:Journal of Jilin University(Earth Science Edition)40(5):1075-1082 [5] Li YJ,Wu QH and Zhang W(2011).Permeability variation of the invasion interface of saltwater-freshwater for agricultural irrigation:Journal of Arid Land Resources and Environment25(3): 161-165 [6] Chen YL,Hu JX(1996).A Demonstration Project of Saline Land Improvement by Artificial Forage Grass Planting in Wudi County:China Rural Water and Hydropower(z1):35-38

Finite element simulation The model of finite element The model of adhesive-bond of single lap joints was used the linear elastic analysis, so the adhesive and adherend were defined as the linear elastic materials with the 3D-solid185 element.
Journal of Adhesion Science and Technology, 2006, 20(15): 1705-1726
Journal of Adhesion, 2009, 85(6): 324–40
Journal of Aeronautical Materials, 2007,27(5): 91-94 [6] Grant LDR, Adams.
Journal of Aeronautical Materials, 2007,28: 253-256 [10] Li L, Hu P, Liu LZ.

Materials Characterization, 151, 151-165, 2019
Microstructure evolution associated with adiabatic shear bands and shear band failure in ballistic plug formation in Ti–6Al–4V targets.Materials Science and Engineering: A, v. 516, n. 1, p. 205-216, 2009
[12] BOAKYE-YIADOM, S., ABDUL KHALIQ KHAN, NABIL BASSIM, A Systematic Study of grain refinement during impact of 4340 steel, Elsevier, Canada, 19 march,2014, Materials Science & Engineering A 605, p. 270-285, 2014
Dynamic behavior of materials.
Materials Science and Engineering: A, 457(1-2), 205-218, 2007.

Physical etching refers to removal of materials due to bombardments of energetic plasma ions on the substrate surface [8].
Experiment Materials.
Sharma, Microwave Processing of Materials and Applications in Manufacturing Industries: A Review, Materials and Manufacturing Processes. 30(1) (2015) 1-29
Gangopadhyay, Plasma Modification of Polymer Surfaces and Their Utility in Building Biomedical Microdevices, Journal of Adhesion Science and Technology. 24(15-16) (2010) 2707-2739
Neumann, Contact angles on hydrophobic solid surfaces and their interpretation, Journal of Colloid and Interface Science. 148(1) (1992) 190-200

The formulation is limited to linear-elastic materials but subject to be extended to elastic-plastic materials.
Journal of the Mechanics and Physics of Solids, 46(8):1319– 1342, August 1998
Journal of Elasticity, 91(1-3):5–148, April 2008
Computational Ma- terials Science, 96:472–484, January 2015
Metallurgical and Materials Transactions A, 42(2):365–372, June 2011.

(a) (b) Fig. 1 Typical crash event of an automibile (a) Before Impact (b) After Impact Materials and Methods Materials.
Foremost development in automotive applications is to employ lightweight materials such as aluminum.
The strength to weight ratio and material behavior of aluminum brand it more striking in the design of crash box structures than other high strength materials such as steel.
T, Characteristics of Inversion Tubes Under Axial Loading, Journal of Mechanical Engineering Sciences 14, 1972, pp. 370-381
K, and Velmurugan R, Axial Compression of Empty and Foam Filled Composite Conical Shells, Journal of Composite Materials 33, 1999, pp. 567-591

Chen, Synthesis and microwave absorbing properties of Mn–Zn nanoferrite produced by microwave assisted ball milling, Journal of Materials Science Materials in Electronics 25 (2014) 4246-4251
Liu, High-energy mechanical milling of atomized iron-based powder, Materials Science and Engineering of Powder Metallurgy 13(2008) 223-228
Li, Influence of powder metallurgy process on mechanical properties of magnetic iron powder core, Materials Science and Engineering of Powder Metallurgy 16(2011) 558-562
Cai, Effects of Co element on microstructure and magnetic properties of Fe-6.5wt%Si magnetic powder cores, Materials Science Forum, 816(2015) 688-693
Xiao, Magnetic properties of Fe78.4Si9.5B9Cu0.6Nb2.5 nanocrystalline alloy powder cores, Journal of Materials Science 46(2011) 7567-7572.