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Fig.2 Infrared spectrum of EVA/hemp stem powder foam materials Fig.3 DSC thermal graphs of EVA/hemp stem powder foam materials Hemp--- the pure hemp,0%---pure EVA, 10%---EVA/10%wthemp foamed materials, 20%---EVA/20wt%hemp foamed materials, 30% ---EVA/30wt%hemp foamed materials, 35% ---EVA/35wt%hemp foamed materials Table 1 Absorption peak of EVA/hemp stem powder foamed materials peak value Sample 3336 [cm-1] 1734 [cm-1] 1236 [cm-1] Pure hemp —OH carboxylic acid V c=o Phenol V c-o Pure EVA — — — — — — EVA/hemp —OH carboxylic acid V c=o Phenol V c-o 3.3 Measurement of EVA/hemp stem powder foam materials thermal properties Fig.3 shows the test performance of EVA/hemp stem powder foamed materials thermal properties with different powder contents from 0% to 35%.
Vol. 292 (2007), p. 993 [3] Renhui Qiu and XiaofengRen: submitted to Polymer Engineering and Science (2012) [4] Robert Masirek, Zbigniew Kulinski: Journal of Applied Polymer Science.
Forum Vol.105 (2007), p. 255 [5] Haixia Fang and Yaolin Zhang: submitted to Journal of Applied Polymer Science (2012) [6] Yanling Wu and Zhili Zhong: Urban Environment & Urban Ecology.
In Chinese [9] Rangsong Hui, Xueqin Yang and Yuping Dang: Chinese Journal of Mycology.
In Chinese [10] Yulu Guo: Shandong Textile Science & Technology.

Shoji: Key Engineering Materials Vol. 321-323 (2006), p. 1451 [2] G.L.
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Hwang: Key Engineering Materials Vol.321-323 (2006), p. 1447

The value of strain is negative in machined all of materials.
International Journal of Machine Tools & Manufacture. 48 (2008) 15–28
OURNAL OF AERONAUTICAL MATERIALS, 2007(6): 45-49
JOURNAL OF MECHANICAL ENGINEERING, 2012(11): 172-182
International Journal of Mechanical Sciences:47 (2005) 1611–1628.

Erdol: International Journal of Computational and Mathematical Sciences, (2007), 1, 121–127
Mahzoon and M.Shariyat: Iranian Journal of Materials Science and Engineering, (2012), 9(1): 29-41
Ramirez: Journal of Smart Materials and Structures, Vol. 15 No 5, (2006) pp.1287-1295
Krenk: Journal of Composite Materials, 13, (1979) pp.108-116
Erdogan: International Journal of Mechanical Sciences, Vol. 49, No. 2, (2007), pp. 161–182

Layered Composite Materials Designed for Higher Corrosion Resistance of Oil Production Equipment N.A.
Lining consists in simultaneous expansion of pipes made of dissimilar materials, which possess different properties.
In the world practice, these materials have found application in many industries.
Among the known methods of manufacturing pipes from layered composite materials, lining should be distinguished.
British Corrosion Journal, 34(4) (2010) 247-253

Continuum isotropic elastic model for sintering of ceramic materials Serrano Vergel, C.1,a Escobar, J.A.1,b Porras, G.O.1,c 1Los Andes University, Faculty of Engineering, Mechanical Engineering department.
ach.serrano74@uniandes.edu.co, bjaiescob@uniandes.edu.co, coporras@uniandes.edu.co Keywords: sintering, continuum mechanics, ceramic materials, finite element method.
The selected ratio gave sintering potentials between 1 and 4 MPa; according to ref. 6 sintering potentials for ceramic materials can ranged from 100-0.1 MPa.
Olevsky: Materials Science and Engineering, R23 (1998), p. 41–100
[9] Michael Gasik, Baosheng Zhang: Computational Materials Science 18 (2000), p. 93-101

Procedia Environmental Sciences , 562 – 570
Journal of Urban Development and Architecture Abadi number5, 40-43
Journal of urban management, 29-46
Shiraz,Iran: Kharazmi Institute of Science and Technology
IOP Conference Series: Earth and Environmental Science

When raw materials ratio is 0.8:1, all the non-APP V peaks are weak.
Journal of Applied Polymer Science.
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Hence these are regarded as difficult-to-cut materials.
Journal of Materials Processing Technology Vol 105, p 327-332
Materials Science and Engineering A, Vol 378, p 180-184
Beela Satyanarayan, 2010, A Prediction of Material removal rate for Aluminum BIS-24345 Alloy in wire-cut EDM, International Journal of Engineering Science and Technology Vol. 2 (12), 7729-7739 [18] S.
Materials and Manufacturing Processes, 23: 174-181, 2008 [19] A.

Experimental Analysis Materials selection.
In the single combination case, since the combined materials are relatively thinner, the sound wave propagation through the materials quite similar to the uncombined material.
Seddeq (2009), Factors Influencing Acoustic Performance of Sound Absorptive Materials, Australian Journal of Basic and Applied Sciences, 3(4): 4610-4617
Umnova (2011), Acoustical Properties of Double Porosity Granular Materials, Journal of Acoustical Society of America, 130(5): 2765-2776
Mohd Tobi (2014), Optimum Sound Absorption by Materials Fraction Combination, International Journal of Mechanical and Mechatronics Engineering, vol. 14(2), pg. 118-121.