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As for the high-strength aluminum alloy materials, the welding process currently is mainly the variable polarity TIG welding including the manual argon arc welding and the automatic argon arc welding[4].
Journal of Materials Science, 1995, 30:2277-2283
The Chinese Journal of Nonferrous Metals, 2002,12:11-15
International materials Reviews,2002, 47(1): 3-29
Chinese journal of material research ,1995(9):372-375

As a result, the production of these structural elements requires for an advancement of technological approaches and is one of the pressing challenges in modern applied materials science and material processing technologies.
The issue of corrosion resistance of powder materials applied to a thin-walled base using laser radiation is important for the development of laser cladding and coating technologies [13, 15, 16].
Chemical composition of the materials according to ASTM A240M [20] and ASTM A580 [21].
Guirong, Microplasma spraying of coatings from wire of heat-resistant nickel alloy Inconel 82 with laser melting, Advances in Science and Technology Research Journal 19(7) (2025) 164-178. https://doi.org/10.12913/22998624/203733
Davydchuk, Structure and properties of titanium modified silicon-carbide at EBM, IOP Conference Series: Materials Science and Engineering 582(1) (2019) 012051. https://doi.org/10.1088/1757-899X/582/1/012051

Materials and Design, 2008, 29:2027-2033
Materials Science and Engineering A, 2008, 486: 313-320
Journal of materials processing technology, 2008, 198: 436-444
Materials Science and Engineering A, 2011, 528: 8028- 8030
Materials Science and Engineering A, 2005, 406: 24-33

Material parameters were listed in Table 1.
Zhao: Journal of Shanghai Jiaotong University, Vol. 37-12 (2003), p. 1887-1890
Zhang: Journal of Plasticity Engineering, Vol. 12-3 (2005), p. 83-87
You: Mechanical Science and Technology, Vol. 19-3 (2000), p. 452-453
Samuel: Journal of Materials Processing Technology, Vol. 122-1 (2002), p. 94-103.

Traditional staircase is the main testing method to determinate fatigue limit of materials.
International Journal of Fatigue, 2001, 23(1), 75~83 [4] L.
Journal of Chang’an University, 2004, 24(2), 91-93 [6] W.
Hong Du Science and Technology, 1995, 8, 33-42 [7] Chinese National Standard: Metallic materials Fatigue testing- Axial force controlled method, GB/T3075-2008
[8] Chinese National Standard: Metallic materials Fatigue testing Statistical planning and analysis of data, GB/T24176-2009.

It is very difficult to be truly simulated because the calculation of super elastic sealing performance involves many aspects of theoretical knowledge of solid mechanics, tribology and polymer materials science.Taking into account the bud shaped sealing ring in the structure and workforce are symmetrical, therefore, the sealing pair is simplified to a 2-dimensional model . 1.1 The super elasticity theory Lei ring is squeezed between the column piston rod and the cylinder, which can be seen as the contact problem of super elastic material and metal material.Therefore, the finite element analysis of the Lei-ring is the analysis of contact nonlinear hyper elastic material.
The strain energy density function of hyper elastic materials is as following: （1） In the formula, C10 and C01 are Mooney-Rivlin coefficient and are normal.andare the first and second invariant of stress tensor,and they can be obtained from the empirical formula according to the rubber material hardness (or the modulus of elasticity) .
[2]Hu Dianyin,Wang Rongqiao,Ren Quanbinetal Finite element analysis of O-ring seal structure [J].Journal of Beijing University of Aeronautics and Astronautics,2005,31(2) : 255-260
Journal of Northern Jiao tong University, 2001, 25(1): 76-79
Journal of Liaoning University of Petroleum &Chemical Technology, 2008, 28(4): 48- 57

The composite slab with sandwich bottom panel is fabricated by filling with lightweight materials into the composite slab with hollow bottom panel.
Noorzaei: Construction and Building Materials Vol. 24 (2010), p. 2604-2611 [13] 06SG439-1 (2006).
Chang: Journal of Hefei University of Technology(Natural Science) Vol. 32 (2009), p. 1219-1223.
Jiang: Journal of Central South University of Technology(Natural Science) Vol. 1 (2004), p.147-150.
Wu: Journal of Shaoyang University(Science and Technology) Vol. 3 (2006), p. 63-65.

Champagne, The cold spray materials deposition process Fundamentals and applications.
Coddet, “Characterizations of cold sprayed TiN particle reinforced Al2319 composite coating,” Journal of Materials Processing Technology, vol. 202, no. 1–3, pp. 508–513, Jun. 2008
Li, “2.8 basic molecular dynamics,” in Handbook of Materials Modeling, Springer, 2005, pp. 565–588
New York: Garland Science, 2003
Springer Science & Business Media, 2006

They can be easier sintered than traditional powder at low temperature and become good promotion sintering materials.
Also, the nano Cr2O3 powders have high hardness, high wear resistance and corrosion resistance, they are a kind of inorganic functional materials with a broad range of practical value.
They can be used as inorganic pigments, magnetic and magnetic recording materials, abrasives, rapid combustion catalyst.
Nowadays, they are being exploited as a broad application prospect nanometer materials[5-8].
Experiment Experiment instruments, reagents and materials.

Large diameter HPB is mainly used for nonhomogeneous materials.
He used the device to study the dynamic mechanical properties of materials under high strain rate for the first time.
While due to the civil and military requirement, the hot studies on materials with complicated or nonhomogeneity components demand innovation in SHPB technology.
Hopkinson: Mathematical, Physical and Engineering Sciences A213(1914), p.437-452
Hunter: Journal of Mechanics and Physics of Solids Vol. 11(1997), p.155-179