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b zhangjs@public.bta.net.cn Keywords: Spray forming process, CuCr25 alloy, Hot forging, HIP, Contact materials Abstract.
Microstructures of CuCr25 alloys were studied, and properties of the materials were measured .
It is difficult to obtain contact materials with high quality and high productivity through mixing alloy powders and infiltrating because of larger copper grains in raw materials.
In addition, the contact materials are densified completely as proved from microstructures analysis and measurement of density.
（Shanghai Science and Technology Press, China, 1987）

Experimental Plan Materials and Binder Modification.
Schitter, ‘Temperature and thermal history dependence of the microstructure in bituminous materials’, in European Polymer Journal, Aug. 2013, vol. 49, no. 8, pp. 1964–1974. doi: 10.1016/j.eurpolymj.2013.03.027
Powers, ‘Using Atomic Force Microscopy to Evaluate the Nanostructure and Nanomechanics of Warm Mix Asphalt’, Journal of Materials in Civil Engineering, vol. 27, no. 10, Oct. 2015, doi: 10.1061/(asce)mt.1943-5533.0001254
Li, ‘Effect of Nanoclays on Moisture Susceptibility of SBS-Modified Asphalt Binder’, Advances in Materials Science and Engineering, vol. 2020, 2020, doi: 10.1155/2020/2074232
Li, ‘Effect of Nanoclays on Moisture Susceptibility of SBS-Modified Asphalt Binder’, Advances in Materials Science and Engineering, vol. 2020, 2020, doi: 10.1155/2020/2074232

Composite materials comprising one or more phase belonging to natural or biological origin.
If the materials have tensile strength more than 50Mpa they can be used in roofs.
Hence, vibrational behavior of the materials is of utmost importance [7, 23-25]. 3.
[4] Dixit S., Verma P, “The Effect of Hybridization on Mechanical Behavior of coir/sisal /JuteFibres Reinforced Polyester Composite Material” Research journal of chemical sciences, Vol.2, No. 6, pp. 91-93, 2012
The Development of Mathematical Model for the Prediction of Ageing Behaviour for Al-Cu-Mg/Bagasse Ash Particulate Composites, Journal of Minerals & Materials Characterization & Engineering, Vol. 9, No.10, pp. 907 – 917, 2010

The effect of residual stresses on the strain evolution during welding of thin-walled tubes Maarten De Strycker1,a, Wim Van Paepegem2,b , Luc Schueremans3,c and Dimitri Debruyne4,d 1MeM2P research group, Catholic University College Ghent, Gebroeders Desmetstraat 1, Ghent, Belgium 2Department of Materials Science and Engineering, Ghent University, St.
Fire Safety Journal, Vol. 41 (2006), p.185-203
MacEwen, Welding Journal, Vol. 70 (1991), p.245s-260s
Journal of Constructional Steel Research, Vol. 62 (2006), p.532-543
Lindgren, Journal of Thermal Stresses, Vol. 24 (2001), p.195-231

Materials Science Forum, 2006, 510-511:142-145
Journal of Plasticity Engineering, 2003, (3): 37-40
Materials & Design, 2011, 32(4): 2429-2437
Materials Science and Technology, 2007, 23: 903-909
Journal of Materials Processing Technology, 2000, 106: 40-44.

Materials and Methods This study conducted structural analysis of solid and porous implants to predict their mechanical response.
Materials In this study the cortical and cancellous bone were assumed to be isotropic and homogeneous.
Materials Science and Engineering: C 2017;76:1328-43; DOI: 10.1016/j.msec.2017.02.094 [3] Kadkhodapour J, Montazerian H, Darabi A, Anaraki AP, Ahmadi SM, Zadpoor AA, et al.
Advanced Engineering Materials 2018;20; DOI: 10.1002/adem.201700648 [6] Gao C, Wang C, Jin H, Wang Z, Li Z, Shi C, et al.
Advances in Materials Science 2015;15:29-37; DOI: 10.1515/adms-2015-0020 [9] Horn TJ, Harrysson OLA, Marcellin-Little DJ, West HA, Lascelles BDX, Aman R.

One of the possible solutions is application of the layered structure composed from the composite materials.
These materials represent the most effective utilization of potential possibilities of mass and energy savings not only from material point of view, but also with respect to structure usage.
The material and geometric axes will be gradually rotated by angle 15°.
Mang, Meshless formulations for simply supported and clamped plate problems, International Journal for Numerical Methods in Engineering 55 (2002) 359-375
Atluri, Meshless local Petrov-Galerkin (MLPG) formulation for analysis of thick plates, Computer Modelling in Engineering & Sciences 6 (2004) 349-357

International Journal of Rock Mechanics and Mining Sciences, 2009, 46: 355-370
Micromechanical analysis of deterioration due to freezing and thawing in porous brittle materials[J].
International Journal of Rock Mechanics and Mining Sciences, 1998, 36(4): 511-522
International Journal of Rock Mechanics & Mining Sciences, 2004, 41: 237-244
Construction and Building Materials, 2013, 47: 1395-1401

Introduction The relevance of the work is determined by the need to dispose of materials waste for water treatment on one hand, and the improvement of water purification technologies on the other, particularly through the regeneration and reuse of such materials.
Consequently, sorption materials utilized in food production adhere to the highest quality parameters, ensuring minimal impurity content.
As a result, the cost of these materials is comparatively higher than adsorbents used in other industries [9].
Key Engineering Materials. 925 (2022) 169–178
Materials Science Forum. 1038 (2021) 407–416

The free oscillation of liquid droplet is one of the classical questions in science research, liquid drops play important role in a lot of engineering applications.
Introduction The free oscillation of liquid droplet is one of the classical questions in science research.
This model includes two different materials in one domain.
Table 1 The basic parameters of materials Density of air 1.293kkg/m3 Viscosity of air 1.67e-5 Pa*s Density of viscoelastic solution 1000kg/m3 Zero-shear viscosity of viscoelastic solution 0.001 Pa*s Surface tension 0.073N/m Stress relaxation time 0.01s (a) (b) Fig. 2(a) The initial curve of mode 2, 3, 4.
Teichtmeister, Linear shape oscillations and polymeric time scales of viscoelastic drops , Journal of fluid mechanics. (2013) 504 - 527  [6] Tadashi Watanabe, Nonlinear oscillations and rotations of a liquid droplet, International journal of geology. (2010) pp5-12