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Studies about the high-speed milling of difficult-to-machining materials have been reported in recent years [2,3,4,5].
As one of typical difficult-to-machining materials, martensitic stainless steels have a significant work hardening tendency.
Tlusty: Journal of Manu.
Chen: Journal of Mach.
Aspinwall: Journal of Mater.

Polymers paint Colour Journal.
Materials and Structures.
European Coatings Journal.
Chinese science bulletin.
Materials Science & Engineering.

Introduction 1.1 Materials constitutive relations The behaviour of most materials depends on strain rate and temperature.
Materials and Specimen geometry An aluminum alloy is investigated in this work.
Maiden and S.J.Green, Compressive strain-rate tests on six selected materials at strain rates from to, Journal of applied mechanics, Vol. 33 (1966), p. 4961-4970
Part I: Experiments and Simulations, Computational material sciences, In press, (2010)
[25] Youssef Aoura, David Ollivier, Abdelhak Ambari, Philippe Dal Santo, Determination of material parameters for 7475 Al alloy from bulge forming tests at constant stress, Journal of Materials Processing Technology, Vol. 145 (2004), p. 352–359

Fu, et al., Journal of Hazardous Materials, vol. 144(2007), p. 499
Qu, et al., Journal of Hazardous Materials, vol. 190( 2011), p. 869
Özer, et al., Journal of Hazardous Materials, vol. 152(2008), p. 778
Amini, et al., Journal of Hazardous Materials, vol. 154(2008), p. 694
Aksu, Journal of Hazardous Materials, vol. 154(2008), p. 731

The microstructure and performance of materials could be improved by electron beam processing greatly.
And the oxidation resistance of materials also could be improved greatly [14].
Physical foundations for surface treatment of materials with low energy, high current electron beams [ J ].
Dental Materials Journal 2009; 28(5): 571–577 [5] Markov A B,Rotshtein V P.
Chinese Journal of Vacuum Science and Technology.2008.6(12): 511-515 [12] Pogrebnjak A D, Bratushka S, Boyko V I.

They are of hard to machine materials.
But these materials are difficult-to-machine materials[2,3].
Zhang: Journal of Chongqing University (Natural Science Edition) Vol. 31 (2008), pp.598-602.
Huang: Materials Science Forum Vol. 626-627(2009), pp.617-622
Iost: Journal of Materials Science Vol. 38 (2003), pp.2525-2536

Evaluation Methods for the Dynamic Humidity Control Performance of Humidity-controlled Composite Materials in Greenhouse Fenglan Wei1,2,a, Wei Chen2,b, E Liu2,c and Caibei Zhang1,d 1College of Science, Northeastern University, Shenyang, China,110004 2College of Engineering, Shenyang Agricultural University, Shenyang, China, 110866 asyau_weifenglan@163.com, bchenwei111@163.com, cliuexm@126.com, dcaibeizhang@163.com Keywords: humidity-controlled composite materials; humidity control performance; greenhouse; close box; thermal effect method Abstract.
It can directly embody humidity-controlled traits of materials under the condition of periodic heat and moisture.
Established physical model of plate-shaped humidity-controlling materials shown in Fig. 1.
As air temperature falls, relative humidity rises, materials absorb water in the air.
(U.S.), 1977,81A:89-96 [12] RAN Mao-yu: Journal of Huaqiao university, 2003,24(1):64-69 [13] RAN Mao-yu: Materials Review, 2002,16(11):42-43

This work is focused on two major applications of multi-functional materials.
In recently years piezoelectric materials have many interesting applications.
Giurgiutiu: In-situ Optimized PWAS Phased Arrays for Lamb Wave Structural Health Monitoring, Journal of Mechanics of Materials and Structures Vol. 2 (3) (2007), pp. 459-488
Wayman: Shape memory materials, Cambridge University Press (1998)
Jaeger: Introduction to smart materials and structures.

The behavior model of Ogden hyperelastic materials showed the highest similarity to the behavior of foam materials.
Future study is to find appropriate constant values for the materials that present accurate results for actual foam materials.
Journal of the American Geriatrics Society, 66(4), 693–698
Springer Science and Business Media LLC
Pt-Journal Articles

(3) Where, β is Dundurs parameter, k is related with Poisson's ratio υ, k=(3-υ)/(1+υ) for plane stress and k=3-4υ for plane strain, subscripts 1 and 2 refer to two kinds of materials, G1 and G2 are material shear modulus.
Acknowledgements This work is supported by Shandong Province Outstanding Young Scientist Research Award Fund (BS2009ZZ012), by Shandong Province Higher Educational Science and Technology Program (J10LD04) and also by Qingdao science and technology development plan (09-1-3-36-jch).
References [1] Arnd Jung, and Alexander Schnell: International Journal of Fatigue Vol. 30 (2008), p. 286-291 [2] F.
Zhao, etal: Composites Science and Technology Vol. 64 (2004), p. 1795-1803 [3] W.
W. and Hutchinson: International Journal of Fracture Vol. 43 (1990), p. 1-18 [7] Dundurs J: Mathematical Theory of Dislocation, American Society of Mechanical Engineer, Now York, (1969), p. 70-115 [8] Edit Committee of Handbook of Property Data of Materials for Mechanical Engineering: Handbook of Property Data of Materials for Mechanical Engineering, Mechanical Industry Publishing House, Beijing (1995) (In Chinese)