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Generally, road materials do not exert their compressive resistance limit, so it can be considered that the compression stress do not produce a damage.
Road materials can withstand a mass of cyclic loading, namely, single loading produces a tiny damage.
(2) Both the fracture toughness and the ultimate tension strain can be used as the control index to describe the deterioration level of road materials.
Ravelling investigation of porous asphalt concrete based on fatigue characteristics of bitumen-stone adhesion and mortar.Materials and Design, Vol.30, 2009, pp.170-179
Journal of Chang’an University(Natural Science Edition) (in chinese), Vol.24, No.1, 2004, pp.5-8 [5] GE Zhe-sheng, HUANG Xiao-ming.

Gas diffusion.Based on the pore size of porous materials, gas diffusion mainly included ordinary diffusion (Fick diffusion), Knudsen diffusion and transition zone diffusion.
ACI Journal Proceedings.1954,51(3):285-296
[5] Ameriean Society for Testing and Materials C671.standard test method for critical ditation of conerete specimens subjected to freezing,1995
,Huang Y.Y..Journal of Wuhan University of Technology,Vol.24,No12.
,Cao J.G..Lin L..Guan Y.S..Journal of Hydraulic Engineering,No1.P41-49,1999.

Experimental Materials.
Zheng, Materials & Design 69 (2015) 56-63
Ou, European Polymer Journal 38 (2002) 467-473
Pratama, Materials Science Forum, vol 827, 2015, pp. 326-331
Avrami, The Journal of chemical physics 9 (1941) 177-184

The curve of the material properties of Non-HAZ and HAZ is shown in Figure 2.
Table 1 The material properties of the aluminum stiffened plates Material Young’s modulus Poisson's ratio Non-HAZ material yield stress HAZ material yield stress 6082-T6 aluminum alloy 70475MPa 0.3 260MPa 130Mpa Fig. 1 Geometry model and dimensions of aluminum stiffened plate Fig. 2 The curve of the material properties of the Non-HAZ and HAZ Finite Element Model and Boundary Conditions of Aluminum Stiffened Plates In this paper, nonlinear finite element software ANSYS was used to analyze the aluminum stiffened plates.
Journal of Structural Engineering, 2003, 129(2):160–8
Journal. of Huazhong University of Science and Technology, 1994 (04): 36-41
Journal of Huazhong University of Science and Technology, 1996 (03): 39-42

Test Materials.
Beijing: Science Press, 2003: 16-20.
Journal of Materials Science and Engineering, 2003, 21(5): 727-730.
,Shrinkage Cracking in Fully Restrained Concrete Members.ACI Structural Journal,Vol.89(1992),No.2,pp.141-149
A Method to Predict Shrinkage Cracking of Concrete.ACI Materials Journal.

Cutoff Frequency Study on Nanocrystalline FeNbB Thin Films X.L.Jiang1, Y.J.Yao1, M.Lai1, K.Peng2, Y.W.Du2 1College of Mathematics & Physics, Nanjing University of Information Science & Technology, Nanjing, China 210044, 2National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, China 210093 Key words: cutoff frequency, nanocrystalline, FeNbB, film Abstract.
Introduction Nanocrystalline magnetic materials have attracted a great deal of attention from scientists over the last decade.
This work was also supported by the Project for Basic Research under Grant No.20080292 and 20080117, Nanjing University of Information Science & Technology.
[4] H.C.kim,S.C.Yu,C.G.Kim,H.S.Han,W.K.Cho, Journal of Magnetism and Magnetic Materials 215-216 (2000) 355-358 [5] H.C.kim,S.C.Yu,C.G.Kim,H.S.Han,W.K.Cho, Materials Science and Engineering A304-306(2001) 1030-1033 [6] R.Valenzuela and J.T.Irvine,J.Appl.Phys.72 (1992) 1486-1489 [7] G.Aguilar-Sahagun,P.Quintana,E.Amano,J.T.S.Irvine and R.Valenzuela, J.Appl.Phys.75 (1994) 7000-7002 [8] I.
Journal of Magnetism and Magnetic Materials 203 (1999) 226-228 [9] Won Jae Lee, B.K.Min, J.S.Song and J.S.Heo, Journal of Magnetism and Magnetic Materials 232(2001) 189-193

Introduction Functional graded materials (FGMs) are new kind of materials whose mechanical properties change continuously from one side to the other.
Generally, FGMs and piezoelectric materials are transversely isotropic elastic, piezoelectric strain constants ,, and the internal force of piezoelectric layer is
References [1] Huadong Li, Xi Zhu, Zhiyuan Mei and Yingjun Zhuang: Materials Review A.Vol.26(2012), p. 110, In Chinese
Spencer: Journal of the Mechanics and Physics of Solids.
Liew: International Journal of Solids and Structures.

Journal of Materials Chemistry. 22, 36 (2012) 19161–19167
Liu, Review of carbon materials for supercapacitors.
Materials & Design. 221 (2022) 111017
Materials Science for Energy Technologies. 4 (2021) 69–80
Journal of materials research and technology. 11 (2021) 1232-1244

Materials and methods Materials and methods were reported previously by Su et al. [6], and are summarized below.
Materials.
Brady, et al: Science.
Bu: Journal of Biobased Materials and Bioenergy Vol. 5 (2011), p.258
Wallis: Journal of applied polymer science.

It is basement to study the mechanism of materials removal and wheel wear in quick-point grinding process.
A majority of materials are removed in side grinding zone, whereas, the surface finish process is completed in edge grinding zone.
And the main functions of the side contact layer is to remove the materials, whereas, the main functions of the edge contact layer is to finish the work.
Acknowledgments This research was supported especially by Chinese Education Ministry as a key science and technology research project (Project No. 104190).
Cai: Journal of Harbin Institute of Technology, Vol.12 (2005), pp.43-46