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High speed steels have a leading position in the group of tool materials today in regard to their special properties.
The relevance of the research of high-speed steel properties can be evident from the graph displayed in Figure1. [1] It shows the proportion of cuting materials used for machining today and it can be said that the materials on the basis of HSS constitute substantial part of the materials for metalworking.
Zhong et al.: Development of powder metallurgy high speed steel, Materials Science Forum, Vols. 638-642, Trans Tech Publications.
Miskovicova et al., owner: Institute of Material Research, Slovak Academy of Science Kosice (2001)
In: Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol. 1, No. 4, (2007) 472-480.

Journal of Petroleum Science and Engineering, 2016. 145: p. 298-320
Materials Letters 2008. 62: p. 113–116
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The Pacific Journal of Science and Technology, 2011. 12(1): p. 38-49
International Journal of Science and Technology, 2013. 2(7)

Forr et al [6] discussed the inertial effects of elastic materials and theoretically proved the existence of lateral inertial effects in SHPB experiments.
Acknowledgements The work of this paper is supported by the National Natural Science Foundation of China (No. 51678286,51479098) and the Natural Science Fund of Hunan Province (No. 2016JJ2107).
Strain rate effect on mechanical properties of concrete [J], Journal of Chang’an University (Natural Science Editio, 2012, 32(2): 82-86
About the dynamic strength enhancement of concrete-like materials in a spilit Hopkinson pressive bar test [J].
[8] LU Y B, WU H J, ZHAO L MA micro-mechaincal model for dynamic tensile strength of concrete-like materials [J].

Experiment The experimental materials were common pressed prepainted steel sheets for building construction with the trademark TDC51D+Z, which were manufactured by WISCO and Baosteel, naming 1# and 2# samples respectively.
The experimental materials were laid on shelves at an angle 15° from vertical.
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Kutty: Journal of Magnetism and Magnetic Materials Vol.279(2/3) (2004), p. 363-374 [3] S.
Zhang: Chinese Journal of Materials Research Vol.22(1) (2008), p. 53-57 In Chinese [7] Y.
Li: Journal of Inorganic Materials Vol.15(1) (2000), p. 26-32 In Chinese [12] Q.
Li: Journal of Inorganic Materials Vol.17(4) (2002), p. 782-786 In Chinese

This error can become worse when one tries to simulate excavation in nonlinear materials because nonlinear problems are usually solved in a number of increments and the errors may be cumulative.
The wall, strut and interface element materials were assumed to be linear elastic.
Brown: Journal of the Soil Mechanics and Foundations Division, ASCE, Vol. 89, No.
Uchaipichatand: Australian Journal of Basic and Applied Sciences, Vol. 5, No. 6, (2011), p. 1193
Yuan: Journal of Shanghai Jiaotong University, Vol. 18, No. 6, (2013), p. 655-659.

Box 4, Klong Luang, Pathumthani 12120, Thailand, E-mail: joy@ait.ac.th; 2 National Metal and Materials Technology Center, 114 Thailand Science Park, Phaholyothin Road, Klong 1, Klong Luang, Phathumthani 12120, Thailand, E-mail: chanchm@mtec.or.th; Keywords: Zinc oxide, nanomaterial, colloid, nanostructured materials, semiconductor gas sensor, wet chemical synthesis, precipitation, nanowire, nanobelt, anisotropic agglomeration.
Zinc Oxide (ZnO) is a very useful as a solid state gas sensor material.
The most convenient way to measure changes in electrical resistance in such devices is to obtain the specific material as nanowires or as connected nanoparticles.
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Thirdly, belt conveyor directly transported backfill materials to the gob.
When gobs distributed between neighboring levels, ore pass was excavated and formed a channel for filling materials.
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Alp: Journal of Hazardous Materials Vol. 168 (2009), p. 848 [7] F.T.
Tannant: International Journal of Rock Mechanics and Mining Sciences Vol. 38 (2001), p. 735 [8] M.H.

Microstructure, wear track depth and hardness distribution in these materials were observed.
Test method Materials.
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Shibukawa, Changes in the microstructure of 13Cr-2Ni-2Mo stainless steels through the quenching process by induction heating, International journal of materials and product technology, Vol. 45, No 1/2/3/4, (2012), pp. 31-40
Shibukawa, Investigation of wear in induction-heated AISI E 52100 steel bars under reciprocating motion, International journal of materials and product technology, Vol. 44, No. 3/4, (2012), pp. 240-251.

Tang2 1School of Materials Science & Engineering, South China University of Technology, Guangzhou 510640, P.R.
Materials Letters, 2010, 64: 733-735 [6] J.
Journal of Magnetism and Magnetic Materials, 2008, 320: e750-e753 [11] C.R.Hendricks, V.W.R.
Soft magnetic composite materials (SMCs).
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