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Experimental procedures Materials.
Silva, Unsaturated polyester reinforced with fiber and powder of peach palm, Materials Science and Engineering Vol. 29 (2008), p. 510–513
Nigrawal, Development, dielectric, and thermal studies on HAF carbon-filled polyester gradient composites, Journal of Composite Materials. 43 (2009) 2859-2869
Noor, Influences and properties of various activated carbon and carbon black filled in epoxy composite, Advanced Materials Research.
Chuayjuljit, Effect of carbon black and carbon nanotube on mechanical and thermal properties of 80NR/20SBR composite, Materials Science Forum. 654-656 (2010) 2783-2786

Table 3 Variance analysis of the regression model (blast pressure – materials ultimate strength) Source of variance Degree of freedom Square sum Mean square F P Regression model 1 3.7271 3.7271 724.76 <0.0001 Residual error 3 0.01543 0.00514 - - Sum 4 3.74253 - - - Multi-factor Numerical Experiments From the above single-factor numerical experiments, the blast pressure is the most sensitive to the material ultimate strength.
Zborowski: Journal of Pressure Vessel Technology, Transactions of the ASME Vol. 121, No. 1 (1999), pp. 84-93 [2] C.Y.
Cohn: Journal of Pressure Vessel Technology, Transactions of the ASME Vol. 122 (2000), pp. 65-69 [4] X.C.
Yin: Key Engineering Materials Vol. 419-420 (2010), pp. 449-452 [6] S.R.
Chen: Probability theory and mathematical statistics (University of Science and Technology of China Press, china 1992)

Mishra, Effect of friction stir processing on the microstructure of cast A356 aluminum, Materials Science and Engineering A 433 (2006) 269–278
Pancholi, Effect of microstructural inhomogeneity on superplastic behaviour of multipass friction stir processed aluminium alloy, Materials Science & Engineering A 561 (2013) 78–87
Mishra, Multiple passes of friction stir processing for the creation of superplastic 7075 aluminum, Materials Science and Engineering A 464 (2007) 255–260
Ma, Achieving Large-area Bulk Ultrafine Grained Cu via Submerged Multiple-pass Friction Stir Processing, Journal of Materials Science & Technology 29 (2013) 1111–1115
Komazak, Improvement of mechanical properties of aluminum die casting alloy by multi-pass friction stir processing, Materials Science and Engineering A 437 (2006) 274–280

Optical Materials Express, 1,4 (2011) 658-669
Journal of Science, I.
Materials Letters, 63 (2009) 301-303 [8] George Cramer, NNIN REU, Research Accomplishments, (2006), 34-35 [9] Dojalisa Sahu, B.
Vertruyen, Materials Letters 64 (2010) 1147-1149 [13] Jinato Tian, LIjuan Chen, Jinhui Dai, Xin Wang, Yansheng Yin, Pingwei Wu, Ceramics International 35 (2009) 2261-2270 [14] Seema Rani, Poonam Suri, P.K.
El-Hofy, Journal of material science Letters, (1988) 453-456 [20] S.

Complete and reliable data on changes in the properties and structure of the marked materials is required for high efficiency in various industries [5, 6, 7].
Vasiliev, S.G Gorny, Technology of creating surface microstructures on sheet materials using fiber laser, Metalworking 3(93) (2016) 20-25
Wu, An adaptive image binarization method for laser direct marking data matrix symbols on metal surface, Applied Mechanics and Materials 401-403 (2013) 1319-1323.
Petkova, Laser marking technology of serial products from metal and polymeric materials for their accounting and identification, Metalworking 1(79) (2014) 21-26
Veiko, Investigation of production related impact on the optical properties of color laser marking, Journal of Materials Processing Technology 274 (2019) 116263

Materials and Methods The selection of materials for RT in injection molding has an impact on the injection molding process.
Therefore, high thermal conductivity is mandatory in mold materials.
Advantages and disadvantages of the techniques and materials analyzed.
Elangovan, “Mechanical behaviour of aluminum particulate epoxy composite–experimental study and numerical simulation,” International Journal of Mechanical and Materials Engineering, 7 (2012) 214–221
Verma, “Mechanical behaviour of copper and aluminium particles reinforced epoxy resin composites,” American J. of Materials Science, 5 (2015) 84–89

In their work on Ti-V-Fe alloy system, Nomura and Akiba have mentioned that ferrovanadium may be used as raw materials instead of pure vanadium [10].
The starting materials were Ti (99.95% purity), V (99% purity), Mn (99% purity) and a FeV commercial alloy (79.88 wt.% V; 16.26 wt.% Fe; 3.74 wt.% Al; 0.09 wt.% Si; 0.03 wt.% Cr).
Thus, even if these materials could not be considered for practical applications we see that the replacement of vanadium by ferrovanadium does not have a large impact on the useful part of the hydrogen capacity.
Yu Science and Technology of Advanced Materials: 4 (2003), p. 491
Naixin Materials Science and Engineering A: 385 (2004), p. 17

The formal method is used for a software development to promise the accuracy of software.The formal method develops to use mathematics to have the following advantage in the process in the software according to strict mathematics:Mathematics is accurate model medium, can carry on a brief introduction, accurate description to the phenomenon, object, and action...etc.Mathematics supports abstraction, it makes the essence of specification able to be displayed, and can mean the abstract layer in the system specification with a kind of way with organization;Mathematics provided the means of high confirmation, can use mathematics proof to announce to public the antinomy in the specification and not integrity, and use to theconsistency circumstance of displaying the design and specification.[1] 2 Formal method 2.1 The development of formal method The basic meaning of formal method studies the relevant problem in calculator science by the help of mathematic method.
t4 t3 t2 t1 t5 p6 p4 p3 p1 p2 p5 Fig.1 Petri net structure sketch map 2.3 High-level Petri Net High-level petri net is a traditional petri net of a type of expand model, it includes Predicate/Transition Petri Net, Colored Petri Net and Timed Petri Net. [6]The structure of the high-level petri net is similar to the structure of the traditional petri net, but the position in the deluxe petri net, move and the Hu power Be heavy to have an abundant content. 3 Equipment information collect and manage system 3.1 The problem describes Equip an information to collect to manage the material information in the system to collect a problem:material the information is divided into material up pack information and material bedrock information two information to collect platform(M) difference to up pack information(S1) and bedrock information(S2) to carry on collecting, the information collects to complete behind the system(R) carry on an analysis processing to the information
A complete inference system for a class of regular behaviors[J].Journal of Competer and System Sciences,2009,28(3):439-466 [4] Hoare C A R.
[7] LouchkaPopova-Zeugmann，On Time Petri Nets[J]Journal Information Processing and Cybernetics EIK,2008,25(3):26-30
A theory of communicating processes [J].Journal of the ACM,2009,31(3):560-599

The material of workpiece is AISI-1045.
Zheng: Materials Science and Engineering A.
Du: Journal of Materials Processing Technology.
Du: Journal of Plasticity Engineering.
Pater: Journal of Materials Processing Technology. 155-156 (2004), p. 1867-1873.

In fact, there must be damage region between elastic and plastic zone for most materials due to the continuity of deformation.
(6) Where is damage modulus and is depended on the character of materials.
Therefore, only consider these factors synthetically can we understand the deformation nature of materials thoroughly.
Dynamic cylindrical cavity expansion of compressible strain-hardening materials.
Journal of Applied Mechanics.Vol.77,7,2010,041009-1~8