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Other workers were interested [11-15] in the behavior of materials in the presence of geometrical defects.
This increase is inversely proportional to the distance References [1] Ouinas D., Bachir Bouiadjra B., Benderdouche N., Computational Materials Science 43 (2008) 1155–1159
International Journal of Fracture 48, (1991) 255–279
[8] Bachir Bouiadjra B., Benguediab M., Elmeguenni M., Belhouari M., Serier B., Ait Abdel Aziz M., Computational Materials Science 42 (2008) 100–106
[18] Ouinas D., Bachir Bouiadjra B., Benderdouche N., Computational Materials Science 43 (2008) 1155–1159.

However, one of drawbacks of this technology is the shortage of applied materials.
Selective laser sintering (SLS) is one of popular techniques for solid freeform fabricate-on processes of RP since it can produce solid parts with arbitrary geometric shapes through consolidation of layers of powder materials by using thermal energy supplied by a focused laser beam.
Experimental procedures and test results Base Materials.
For simplification, the effects of environmental influences and materials were fixed.
[2] Kruth, J.P., Froyen, L., Van Vaerenbergh, J., Mercelis, P., Rombouts, M. and Lauwers, B. (2004), “Selective laser melting of iron-based powder”, Materials Processing Technology, Vol. 149, pp. 616-622 [3] Prabhu, V.V., Fuke, I.V., Cho, S. and Singh, F

Bessmeltsev, Automation of technological preparation of high-speed laser micromachining, In Materials of the 54th International Scientific Student Conference ISSC-2016: Instrumental Methods and Techniques of Experimental Physics. 2016, pp. 28-29
Lyabin, Possibilities of precision micromachining of materials by pulsed radiation of a copper vapor laser Science-intensive technologies in mechanical engineering. 2 (2017) 36-48
Bulushev, Method for measuring microchannels formed by a femtosecond laser on optically transparent materials Interexpo, Geo-Siberia. 5 (2014) 1-4
Prokoshev, Laser ablation of materials by femtosecond laser pulses in liquid media, In 2018 International Conference Laser Optics (ICLO) 335
Kochuev, Femtosecond Laser Micromachining of Metal Thin Films Materials Today: Proceedings. 11 (2019) 441-445

It accounts for 1/3 of the plastic packaging materials [1].
Many methods including physical and chemical about changing property have been reported in the reference materials.
Materials and Methods Material.
Be included in Advanced Materials Research [5] Xu Wen-cai, Li Dong-li, Shi Qing-ping, Yu Xue-mei.
Bautista O K. submitted to Aseen Food Journal. 1993,8(2): 54-60 [7] Pesis E, Copel A, B en A R, et a .l submitted to Journal of Horticulture Science and Biotechnology, 2001, 76 ( 5) : 648- 652

Maksimov Research and Technological Institute of Optical Materials Science, Ul.
The model two-phase liquid system is formed in the process of heating of mixed raw materials (Na2CO3, HBO3, Na2SO4, and Nd2O3) to temperature in the 1000-1200 o C range and holding the melt at fixed temperature during 1-2 hours.
Journal of Quantum Electronics Vol.7 (1977), p.943
[6] J.Schroeder, in: Treatise on Material Science and Technology.
[8] L.Maksimov, A.Anan'ev et al.: submitted to Advanced Materials Research (2008).

Simulation on the Stress Filed of Radial Tire with Tire Tread Wear under Static Contact Condition Junfei WU1,a, Shichen GUO1,b, Xuping ZHANG1,c, Zhi LI1,d,Jinmei KAN1,e 1College of Electromechanical Engineering,Qingdao University of Science and Technology Qingdao 266061,China ajfw_2002@sina.com, b353516612@qq.com, czxp8008@163.com,doffend@126.com, e694157316@qq.com Key words: radial tire; finite element analysis; stress; vertical load; tire tread wear Abstract: In this paper, through the establishment of a finite element model of radial tire, the finite element analysis of radial tire is made under vertical load condition.
This paper laid a foundation for the further study of tire safety performance. 1 Finite element model of radial tire 1.1 Selection of element types Radial tire is a complex structure consisting of a plurality of materials, it includes different material properties of rubber, steel and rubber-cord composites.These types of materials are nonlinear material, so it is not easy to get the analysis of tire and material parameters.
Acknowledgements This work was supported by the National Natural Science Fundation of China (51346002) and Qingdao Application basic research projects(12-1-4-3-(15)-jch, China).
Tire Science and Technology, 1996, 24(4): 278-293
Crack initiation and propagation under multiaxial fatigue in a natural rubber[J], International Journal of Fatigue, 2006, 28(1): 61-72

This paper no require simulate very large strain and change contact condition,and assume the brick masonry walls are uniform materials,hence,this paper adopt uniform three dimensions eight-node reduced integral entity unit C3D8R to scatter the model of T-shaped cross section brick masonry wall,and adopt three dimensions three-node truss unite T3D3 to scatter reinforcement.The model of 1.6FW is shown in Fig. 1.
Material uniaxia stress-strain relationship.
[3] Ba Rongguang: The Calculation about the Shear Bearing Capacity of Unreinforced and Reinforced Masonry Wall.The Journal of Architecture Structure. 41-48 (1985)
[5] Zhang Wenfang: Researches on In-plane Flexural Destruction Modes and Earthquake Resistant Advantages by way of Representative Examples.The journal of civil engineering.130-135(2010)
The Journal of Architecture Structure .77-79(2006).

Introduction With the development of manufacturing technology, the performance requirements of materials are gradually improved.
As one of the important materials for manufacturing, lightweight titanium is also necessary for surface modification.
Materials & Design. 46 (2013) 532-538
Journal of Nano Research. 54(2018) 88-97
International Journal of Minerals, Metallurgy, and Materials. 25(2018) 110-115.

Journal of Fujian Architecture, Vol. 4 (2001) No 53, p.27-30 [2] Y.X Cao.
Journal of Fujian Architecture, Vol. 5 (2002) No12, p.20-28 [3] Y.G.
Journal of Architecture, Vol. 6 (2001) No2, p.28-31 [4] C.L.
Huang: The Building materials and decoration, Vol. 1 (2005) No7, p.63
Science and Technology Innovation, Vol. 14 (2007) No4, p.78-81

The work-hardening of FCC materials, such as aluminium alloys, is generally considered to depend strongly on temperature and strain rate.
International Journal of Solids and Structures 46 (2009) 3825-3835
Børvik, Local measurement of stress-strain behaviour of ductile materials at elevated temperatures in a split-Hopkinson tension bar system.
International Journal of Impact Engineering 38 (2011) 824-836
Journal of Applied Mechanics 68 (2001) 412-419.