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The no-uniformity of rock and soil materials and differences of boundary conditions caused the discrepancy of stress field, together with the elastic-plastic characteristics of the sliding zone which controls the progressive unstable failure process.
Journal of Geotechnical and Geoenvironmental Engineering, 1999, 827-831
Chinese Journal of Rock Mechanics and Engineering, 2001, 19(1): 29-33.
Journal of Engineering Geology, 2000, 8(1): 25-30.
Journal of Zhengzhou University (Engineering science), 2002, 23(2): 37-40.

The reductive degradation of 2,4-dinitrotoluene (2,4-DNT) by three kinds of iron-based materials, namely, copper-doped iron, scrap iron and iron powder, was investigated in detail.
The effects of iron materials, pH and iron dosage on the removal efficiency were studied.
Fig. 2 shows the DNT removal versus the time for different kinds of iron materials at an initial 2,4-DNT concentration of 200mg/L, in which the pH of the solution was adjusted to 3.
Kuo: Journal of hazardous materials Vol. 155 (2008), p. 193 [4] C.
Ma: Journal of Hazardous Materials Vol. 164 (2009), p. 1392 [9] J.H.

μ LSP materials of elastic-plastic theory For μLSP, flare size, coating thickness, material thickness are micron grade, shock wave propagation velocity of many in material for several km/s, the shock wave propagation in the material time for ns level.
Mechanics of Materials，2008，40:100一114 [15] Fairand B P，Wileox B A，Gallagher W J，et al.
ASME Jomal of Manufacturing Science and Engineering，2004，126(01):10-17 [18]Che zhigang.
Materials selection in mechanical design for micro sensors and micro actuators [ J] .
Materials and Design, 2002, 23( 7 ) : 17-19.

One of main disadvantages is problematic use of low density materials that change the volume during the operation of sintering.
Use of materials with homogenous properties increases the price of product.
It also reduces possibility of different materials such as plastics powders, recycled materials, composite materials, etc.
Mülhaupt, Rapid Prototyping, Polymer Science: A Comprehensive Reference, Pages 77–99, 2012
Peukertc, Sintering kinetics and mechanism of vitreous nanoparticles, Journal of Aerosol Science, Volume 45, Pages 26–39, March 2012

SMC materials provide high strength, impact strength, fatigue strength and wear resistance [4].
Studies are being conducted on the use of materials with a SMC structure at cryogenic temperatures [5].
Alexandrov, Bulk nanostructured materials from severe plastic deformation, Progress in Materials Science. 45 (2000) 103-189
Valiev, E.J Lavernia, Influence of microstructure on thermal stability of ultrafine-grained Cu processed by equal channel angular pressing, Journal of Materials Science. 53 (2018) 13173-13185
Kliauga, Microstructure, texture and interface integrity in sheets processed by Asymmetric Accumulative Roll-Bonding, Materials Science and Engineering A. 771 (2020) 138634

Composite materials are increasingly used for their unique properties in many branches of engineering.
The principles of linear elastic fracture mechanics have been extended to composite materials to characterize delamination (interlaminar fracture) [3].
Chandra V., Damage and Failure of Composite Materials, vol. 2012.
Phillips, Design with Advanced Composite Materials.
Harper, ‘2 - Modelling delamination with cohesive interface elements’, in Numerical Modelling of Failure in Advanced Composite Materials, P.

According to [8], welding is a joining process producing coalescence of materials by heating them to the welding temperature, with or without the application of pressure or by the application of pressure alone, and with or without the use of filler metal.
Safety science, 65, (2014) 10-19
Journal of safety research, 41(2), (2010), 107-122
Safety science, 50(5), (2012), 1355-1367
Safety science, 41(8), (2003), 641-680

Tap file for automatic testing and electronic materials with fault diagnosis equipment.
Fault-tolerant design of digital integrated circuits, Beijing; Science Press, (2011), Chapter 4, pp.153-162
Software design and implementation of the electronic materials with fault diagnosis system for radar board boundary scan module (D), Chongqing; University of Electronic Science and Technology, (2011), Chapter 1, pp.1-15
[3] Tao Liu, Electronic materials with fault diagnosis of Digital Circuit-board Based on LASAR's Simulation.
JOURNAL OF PROJECTILES, ROCKETS, MISSILES AND GUIDANCE, No.30, 2010.

Effect of Variable Geometry on Springback of High Strength Steel Materials MUHAMAD SANI Buang1,a , SHAHRUL AZAM Abdullah1,b*, JURI Saedon1,c, YUPITER HP Manurung1,d, MOHD SHAHIR Mohd Hairuni1, HASHIM Abdullah2,e 1Faculty of Mechanical Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor 2 Oriental Summit Industries Sdn.
For further analysis, the type of materials must be identified for the sample of model.
A special thanks to Ministry of Science, Technology and Innovation Malaysia (MOSTI) for the financial aid under project 100-RMI/SF 16/6/2 (5/2014).
Kim, "Stress-Based Springback Reduction of a Channel Shaped Auto-Body Part With High-Strength Steel Using Response Surface Methodology," Journal of Engineering Materials and Technology, vol. 129, p. 397, 2007
Hung, "Finite element analysis and optimization on springback reduction," International Journal of Machine Tools and Manufacture, vol. 39, pp. 517-536, 1999

Materials and Methods 2.1 Materials The Chitosan powder, the 85 % deacetylation Chitin, was purchased from the Global Bio-technology, Taiwan.
Maiti: Biochemical Engineering Journal.
Nishimur: Journal of Biomedical Material Researcher.
Lin: Textile Research Journal.
Amiji: International Journal of Pharmaceutics.