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Khan, Materials Science and Engineering 61 (1983) 173 [2] T.M.
Mills, Acta Mater., 48 (2000) 4867 [6] Laura Dirand et al., Advanced Materials Research, 278, (2011) 37 [7] P.
Khan, Materials Science and Engineering 61 (1983) 173 [8] P.
Dirand et al., Materials Characterization 77, (2013) 32 [12] J.P.
Analysis of the Microst. of Materials 68 (2004) 287

China 2 International Center for New-Structured Materials (ICNSM), Zhejiang University and Laboratory of New-Structured Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P.R.
Introduction Bulk metallic glasses (BMGs) have unique physical, chemical and especially mechanical properties [1], which make them as potential new engineering materials.
However, it is known that the materials’ stability in the environmental conditions is an important property that must be considered before they are used.
Materials Research Society, 23 (2008): 1452-1456
Journal of Applied Physics, 89 (2001):1573-1579

Introduction The achievements of material science such as the new high-tech materials (both homogeneous and heterogeneous) make it possible to increase significantly the strength and stiffness of structures designed.
All existing structural materials contain different inter- and intra-component defects (cracks, delaminations, etc.).
It is equally true for both, homogeneous and heterogeneous materials.
Zozulya Brittle fracture of constructive materials under dynamical loading (Non-classical problems of fracture mechanics, edited by A.N.
Gonzalez-Chi, Weakly singular, singular and hypersingular integrals in elasticity and fracture mechanics, Journal of the Chinese Institute of Engineers, Vol. 22(6), (1999), 763-775

CM was supported by the National Science Foundation through the IGERT grant (DGE-0549503).
Department of Energy, Office of Science, Office of Basic Energy Sciences, under contract number DE-AC02-06CH11357.
Phillpot: Journal of Applied Physics Vol. 93 (2003), p. 793 [3] S.
B: Condensed Matter and Materials Physics Vol. 67 (2003), p. 5304 [8] P.
LaForge: Science Vol. 297 (2002), p. 2229 [13] A.

However, one may refer that this material is hygroscopic and then water is easily absorbed.
References [1]- Chandler, A.J., Eighmy, T.T., Hartlén, O., Kosson, D., Sawell, S.E., van der Sloot, H., Vehlow, J., Municipal Solid Waste Incinerator Residues, Vol. 67, Elsevier Science, Amsterdam (1997)
[4]- Yang, G., Tsai, C., A study on heavy metal extractability and subsequent recovery by electrolysis for a municipal incinerator fly ash, J. of Hazardous Materials, 58(1-3),103-120 (1998)
[9]- Fallman, A.M., Performance and Design of the Availability Test for Measurement of Potentially Leachable Amounts from Waste Materials, Environ.Sci.Technol.,31,735-744 (1997)
[10]- NEN 7341, Leaching characteristics of solid (earthy and stony) building and waste materials.

Table 2 The material parameters Component Material Young’s Modulus Poisson ratio piston rod 12Cr2Mo1 2´105 MPa 0.3 Piston guide shell 15CrMo 2´105 MPa 0.3 O-ring NBR 10 MPa 0.499 Sliding-ring PTFE 960 MPa 0.45 Computation Model.
The Sliding-ring was regarded as time-independent isotropic plastic material, which was the poly-tetrafluoroethylene (PTFE) filled with metal particles, the Young’s modulus of it is 10 times more than nitrile-butadiene rubber (NBR), which was the material of O-ring.
Therefore, the fatigue load was ignored when the sealing material invalidation was studied.
Haas: Mechanical Science and Technology, Vol. 19 (2000) No.5, pp.740-742.
Wang: Journal of Solid Rocket Technology, Vol. 29 (2006) No.1, pp.9-14.

Refining grain is deemed to a kind of effective approach being used to ameliorate the combination property of metal materials.
Metallurgical and Materials Transactions A. 42 (2011) 1827-1835
Metallurgical and Materials Transactions A. 21 (1990) 877-888
Transactions of Materials and Heat Treatment. 32 (2011) 106-111 (in Chinese) [7] W.Y.
Metallurgical and Materials Transactions A. 42 (2011) 717-728

Experimental Section Materials and Equipment.
The material properties are summarized in table 1.
These boundary conditions need to be determined for different machine types and materials.
Acknowledgements The authors wish to thank the Flemish government agency for innovation by science and technology (IWT) for funding this research through a TETRA-project (grant number IWT-130179).
Lewyt, On the partial Difference Equations of Mathematical Physics, IBM Journal (1967) 215-234

The result also showed that it could also save a lot of material of unloading wheel.
For the purpose of the most savings in materials, we obtain the maximum outside diameter of unloading wheel which is 350mm with enough stiffness and strength by the optimized analysis of the unloading wheel.
According to hertz contact theory, the half of contact width is shown below, (1) Where, F—normal pressure（N）; L—length of contact line(mm); —the poisson ratio of two materials —the modulus of elasticity of two materials(MPa); —equivalent radius of curvature(mm); The formula of the maximum contact stress is shown below, (2) When undersurface is plane,; when undersurface is concave, is a negative value.
Geng: Journal of Mechanical Strength, Vol.22, No.2 (2000), p. 160(in Chinese)
Chen: Popular Science & Technology, No.12 (2010), p. 109-110(in Chinese)

Experiment Method and Setup Experiment Materials and Leachate Tested.
The waste materials being tested were collected from the southern landfill of Nanning City, Guangxi Province.
The composition of the waste materials is listed in Table 1.
The disposal of the waste materials in the experiment has been designed to reflect the actual landfill process.
Journal of Hazardous Materials, Vol.172 (2009), p. 408 [2] Chianese A., Ranauro R., Verdone N..