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[6] Torres Y., Rodriguez S., Mateo A., Anglada M.Llanes L.; Fatigue behavior of powder metallurgy high-speed steels: fatigue limit prediction using a crack growth threshold-based approach, Materials Science and Engineering A 387 (2004) 501-504
Podgornik, Vacuum heat treatment, deep cryogenic treatment and simultaneous pulse plasma nitriding and tempering of P/M S390MC steel, Materials Science and Engineering: A 531 (2012) 119–129
Podgornik, Design and Tribological Performance of Textured Surfaces, Materials Performance and Characterization 6 (2017) 68-78
Klemenc, Influence of different micro-imprints to fatigue life of components, Materials performance and characterization, 6 (2017) 79-95
Inoue, Materials park, Ohio 2002 p118-124.

Material Model.
The material used to build the model was the low-alloy high strength pipeline steel materials, and mainly the C-Mn-Si steel with Isotropic property, material physical constants see Table 1.
Corrosion Science 51 (2009) 1925–1934 [2].
Materials and Design 30 (2009) 3581–3591 [4].
Corrosion Science 50 (2008) 3193–3204 [10].

Different raw materials determine different production processes.
Take the example of the application of different raw materials to illustrate.
At last, all kinds of energy, materials can be transferred into a common emergy unit (different energy/material flow * related emergy-transferred index).
(2) (3) where WN refers to the non-renewable resources replaced by the recyclable materials; WR refers to the renewable resources replaced by the recyclable materials (Wr=WN+WR).
Soft Science, 2002, 2(16): 11-18

Introduction During the welding process, the shape change of base material is very important feature in order to simulate the effect of it in virtual welding system well, the text uses the idea to perform the model of welding parts with finite element method.
The base material of weldment model separates into small units.
On this basis, we can complete the simulation of the shape change of base material during welding process through controling vertices of the triangle in small units.
International Journal of Geographical Information Science., Vol.22 (4)(2008), pp.449-462
Kotsiantis:Delaunay triangulation by a technical insertion point applied for complexes geometries.Journal of Computational Methods in Science and Engineering, Vol.11 (3) (2011), pp.143-158

The tungsten oxide films were reduced in a hydrogen atmosphere and the material characterized by TEM and XRD.
A.Rougier, F.Portemer, A.Quede, and M.El Marssi, Applied Surface Science 153, 1 (1999). 5.
M.Boulova, and G.Lucazeau, Journal of Solid State Chemistry 167, 425 (2002). 25.
A.H.Jayatissa, S.Cheng, and T.Gupta, Materials Science and Engineering B 109, 269 (2004). 26.
F.Okuyama, Journal of Crystal Growth 38, 103 (1977)

The sensor component of the dynamometer consists of a hollow cylindrical tube of elastic material, a strain gauge and the lumen (the central cavity).
Fig. 2 Transverse cross section of the small dynamometer Fig. 3 location of small dynamometers and strands Elastic material Lumen Strain gauge ShellIn this design, it is desirable for the external diameter D of the dynamometer to be reduced to a minimum.
Acknowledgement Financial support form the National Natural Science Foundation of China under Grant no. 50539090 and 50325414.
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Lagrangian finite difference method is used in FLAC-3D for simulating the mechanical properties and structure of rock and other materials[1,2].
Acknowledgement This research is supported by National Natural Science Foundation of China (50704024); as one branch of national support science and technology projects (2009BAB48B02)and Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi(TYAL).
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Journal of Xi’an University of Science and Technology, 2010,30(1) : 24-28.
Journal of China Coal Society, 2009,34(8) :1032-1036.

In order to solve these problems, new materials and new technology research and development become a trend.
In this paper, it is research on the asphalt mortar performance and the high temperature stability of asphalt mortar with Sasobit by using Dynamic Shear Rheometer (DSR). 1 Raw Materials and Test Methods 1.1 Raw Materials The 70# asphalt is produced in Qingdao Ampang Asphalt Co., Ltd; the mineral filler is made by limestone, the through percentage of the 0.075mm sieve was 98.2%, filler-bitumen ratio is in the range of 0.6 to 0.9, differential of 0.1; the warm mix agent is Sasobit, the dosage is 3%; its key performance index is showed in table 1,2,3.
Journal of Zhengzhou University (Engineering Science), 2007, 28(3):40-42 [3] Liu Hao, Li Xiaomin, Zhang Xiaoning and Tan Yiqiu, in: Compared rheology of asphalt mastics performance with hydrated lime and limestone filer[J].
Journal of Beijing University of Technology, 2009, 35(11): 1506-1510 [4] Li Ping, in: Asphalt mixture design based on the characteristics of mortar[D].
International Journal of Pavement Engineering, 2004, 5(1) : 47-51