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Experimental Program Materials Ordinary Portland cement (Chinese Standard GB175-1999, analogy with ASTM C150 Standard Specification) was used.
Journal Construction and Building Materials, 23, 1218-1222
Journal of Ferrocement, 35, 490-499
ACI Structual Journal, 98, 696-704
Journal of Ferrocement, 24, 139-15.

[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].

The load-displacement curve AC can be plotted by the ways of finite element analysis or add static load by materials universal test machine.
The value exceeds the yield stress of material dramatically.
Acknowledgments This work was supported by the Key Program of National Natural Science Foundation of China (NSFC) (Grant.
Journal of Tribology, 1991,113, pp.811-817
Journal of Mechanical Engineering, 2010,46(5) , pp.49-54

Controlling the Biodegradation Rate of AZ31 with Biomimetic Apatite Coating Zhang Yajing1, a, Xi Xiaohui1,b, Jia Hailong1,c, Zhang Dan1,d 1 School of Materials & Metallurgy, Northeastern University, Shenyang, 110819, China azhangyj@smm.neu.edu.cn Keywords: AZ31; simulated body fluid; hydroxyapatite; corrosion; degradation Abstract.
Magnesium alloys have the potential as a biodegradable material for orthopedic applications.
Materials Science Forum 546-549 (2007)421-424
Biomimetic hydroxyapatite coating on metal implants.Journal of the American Ceramic Society. 85（3）(2002):517-522
Journal Biomedical Materials ResearchResearch Part B: Applied Biomaterials. 84(2) (2008) 436-443.

Materials and experiments The PVDF piezoelectric film was purchased from Jinzhou Kexin electronic materials Co.
Copper foil (Dong Guan Fei Ying electronic material Co.
Ltd) was used as the electrodes’ material.
Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. 60602002) and the Tianjin Science Technology Research Foundation of China (Grant No. 12JCZDJC22400).
Kawai: Japanese Journal Applied Physics 8 (1969) 975–976 [2] J.

It has been applied to the topology of charge density, especially electrons, for the purpose of analyzing the bonding properties of bulk solid materials.
The properties of solid materials can be usually being predicted from the valence and bonding preferences of its constituent atoms.
There are four main bonding can be found in semiconductor materials: ionic, covalent, metallic and molecular.
These materials have a single bonding type or mixtures of bonding type such as covalent and metallic or covalent and ionic.
Density functional for coulomb systems.International Journal of Quantum Chemistry 24: 243-277

They attached great importance to the new things and were good at mastering new materials and technology.
The sensitive to new material, new technology and a new era of innovative thinking, makes steel which is cold, different from the past wood masonry materials embodied in modern architecture complicated and innovatively.
Under these conditions, the structure performance and aesthetic features of steel materials will embody the unique values.
References [1] Dawu Luo: Sichuan Building Materials Vol.4(2006), p.65-68.
(In Chinese) [9] Xun Dai: Journal of Southwest University (Social Sciences Edition) Vol.4(2011),p.173-180.

Pozzolanic activity of materials and hydraulic waste are the main raw material for masonry cement.
These materials can be used to produce low-carbon cements.
Construction and Building Materials.
Journal of Shenyang Arch. and Civ.
Journal of Wuhan University of Technology. 

Fig. 1 Location of Frank Town April 29, 1903, a large-scale landslide disaster happened in Frank, which caused nearly 30 million cubic meters of detritus materials to fall down from the east of Turtle Montain into Crowsnest Valley.
These detritus materials formed a extremely wide particle size distribution.
In order to facilitate the calculation and discussion, the parameters of materials and sliding plane are assumed to be invariable in this paper.
Hungr: Canadian Geotechnical Journal Vol.41 (2004), p. 1084
Hungr: Canadian Journal of Earth Sciences Vol.23 (1986), p. 425