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Although it is used almost exclusively in the very fragile materials (rocks, concrete, etc.), Mohr-Coulomb criterion shows great potential to be applied in other materials also [2].
For ductile materials: σyp=σLt≈σLc ; (7) k≈1
Few attempts have been reported to triaxial stresses performed on ductile materials [5, 6, 7].
Belyaev, Strength of Materials, Mir Publishers, Moscow, 1979
Wierzbicki, On fracture locus in the equivalent strain and stress triaxiality space, International Journal of Mechanical Sciences. 46 (2004) 81–98

Experiments Materials and Preparation of the Test Specimens.
The main goal is to have enough materials.
Fig. 5 (a) shows a graph of the four materials made with a bamboo twig depth of 25 mm.
Arham Aditya and Aqli Walafiat for all their help in preparing this research materials.
Prabhakaran, Performance Testing for Sound Absorption Coefficient by Using Impedance Tube, Research Journal of Applied Sciences, Engineering and Technology. 11 (2015) 185–189

Material and Experimental Method Test material and method.
Acknowledgments This research is supported by Natural Science Foundation of Jiangxi (No.2009GZC0048) Reference [1] Renjian Tang, Jun Wang and Junlin Yin: Materials Review Vol. 19(1)(2005),P.54.In Chinese
[4] Yanhui Wang, Mingpu Wang and Bin Hong: Transactions of Materials and Heat Treatment Vol. 25(5)(2004),P.97
[5] Shaozong Zhang, Bohong Jiang and Wenjiang Ding: Materials Review Vol. 20(8)(2006),P.84.
[10] Virtanen P, Tiainen T and Lepisto T: Materials Science Engineering A Vol.

China; Key Lab of Advanced Materials of Tropical Island Resources, Ministry of Education, Haikou 570228, P.
Experimental Material.
Liao: Advanced Materials Research Vols. 287-290 (2011), p.1517 [6]F.
Shi: Journal of Macromolecular Science, Part B: Physics Vol.50(2011), p. 398 [7]Z.
She: Advanced Materials Research Vols. 160-162 (2011), p. 1181 [10]P.Y.

Materials Science and Engineering, 606(2014): 175-186
Chinese Journal of Aeronautics, 2013,26 (6): 1409-1414 [5] Lavigne O, Ramusat C, Drawin S, et al.
Materials Science and Engineering A, 2006, 425(2): 47-54
Materials Science and Engineering: A, Vol. 644(17) Sep. 2015:225-233 [8] Dexin Ma, Bin Zhou, Andreas Bührig-Polaczek.
Advanced Materials Research 278 (2011) :306-311 [9] D.

Besides, it is noteworthy to reinforce bitumen with the high quality of recycled waste product materials to improve its mechanical properties.
Journal of Fuel, 79 (2000) 671-683
Journal of Materials Science, Springer Netherlands, 27 (1992) 6615-6626
Road Materials and Pavement Design, (2015) 10.1080/14680629.2015.1030833. 50-74 [9] M.A.
Journal Of Food Science. 72 (5). (2007) [20] D.Y.C.

In rainy season, this zone is the main souce of material supply of debris flow as the heavy rainfall and severe soil erosion.
Materials and methods Field sampling and investigation methods Based on field surveys, four types of pure plantation were selected, namely, Eucalyptus spp., Acacia mearnsii, Leucaena leucocephala and Pinus yunnanensis, which are the main plantation types in the Xiaojiang River basin.
[7] Daping Xu, Ningnan Zhang: Guangxi Forestry Science, Vol. 35-4 (2006), p179-201(in Chinese)
[9] Qiying Liang: Eucalypt Science & Technology, Vol. 22-1 (2005), p23-28 (in Chinese)
[16] Zhaoyin Wang, Guangqian Wang, Jing Gao: Science in China (series D), Vol. 33-10 (2003), p 1013-1023 (in Chinese).

In addition, coal gangue weathering produce acidity material, is easy to be leach by rain, then polluting soil and groundwater.
Mixing fly ash into gangue can not only neutralize with the acidic materials in the gangue, but also reduce soil compaction.
Acknowledgements This work was financially supported by the 12th five years-National Science and Technology Support Project (2011BAD04B03).
Journal of Nature Resource Vol. 20(5) (2005), p.790-795(in Chinese) [10] Guoqing He, Lun Yang, Gengdi Ling, et al: Mining subsidence learn.
Journal of Hubei University (Natural Science Edition), Vol. 27(2) (2005), p.184-187(in Chinese)

The coating material is generally fine powder particles which are injected at a prescribed location inside a combustion tube.
Desbordes, “Propulsive performances of pulsed detonations,” Combustion Science and Technology, 144(1–6), 93, 1999
Journal of Thermal Spray Technology,” 17(4), 456, 2008
Butler, “Analysis of a pulsed detonation thermal spray applicator,” Combustion Science and Technology, 159, 17, 2000
[16] M-S Liou, “A sequel to AUSM: AUSM+,” Journal of Computational Physics, 129, 364, 1996

This can be used to detect the degree of damage of ferromagnetic materials.
This result tells that if magnetic field is used to measure the damage of materials, we may measure the signal on different directions, thus avoiding we measure the magnetic field parallel to the width of the crack.
Journal of Magnetism and Magnetic Materials 2010;322(4):413-416 [7] Li Xiao-meng, Ding Hong-sheng, Bai Shi-wu.
Research on the stress-magnetism effect of ferromagnetic materials based on three-dimensional magnetic flux leakage testing.
Ferromagnetic school，Beijing:Science Press，1992 [10]Dong lihong, xubingshi.