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Firstly, it briefly introduces the background of creep damage for P91 materials.
To analyze the complex of creep deformation and rupture, the creep damage constitutive equations should be able to depict the behaviour of material, especially for predicting the lifetime of materials, within the frame work of continuum damage mechanics (CDM).
Starr, International journal of pressure vessels and piping, 84, P.114-122, (2007) [2] A.
Hyde, et al, Materials Science Forum, 440 – 441, ,(2003), P. 465-474 [18] T.
Yaguchi, Materials Science and Engineering, A 510-511, (2009), P.238-243 [19] T.

Journal of Materials Processing & Manufacturing Science, 7:185-194
Journal of Materials Processing Technology, 169:452-465
DebRoy (2006) “Numerical simulation of three-dimensional heat transfer and plastic flow during friction stir welding,” Metallurgical & Materials Transactions A, 37A, pp. 1247–1259
Hattel (2005) “A local model for the thermomechanical conditions in friction stir welding,” Modeling and Simulation in Materials Science and Engineering, 13, pp. 77–93
Fratini (2006) “Design of the friction stir welding tool using the continuum based FEM model,” Materials Science & Engineering A, 419, pp. 381–388

The defects reduce the performance properties of the material.
Materials and Method In this work, a hypereutectic silumin (18-20 wt.% Si) has been used.
Series: Materials Science and Engineering, 124 (2016) 0121371-5
Krysina, Structure and properties of a coating (TiCuN) – substrate (A7) system modified with a high-intenisty electron beam, Russian Physics Journal. 58 (3) (2015) 373-379
Krysina, Mechanical Properties and Structure of the Hypereutectic Silumin Treated by an Electron Beam, Key Engineering Materials 743 (2017) 146-150.

The inputs are raw materials, such as plastics, glass, metal, etc, and the outputs are wastes from the manufacturing and remanufacturing processes.
Tu: Materials Science and Engineering, Vol. 38 (2002), pp. 55
Wolff: Journal of Cleaner Production, Vol. 13 (2005), pp. 1
Forssberg: Journal of Hazardous Materials, Vol. 99 (2003), pp. 243
Li: Journal of Hazardous Materials, Vol. 145 (2007), pp. 410

Introduction Nanometer materials possess fancifully physical and chemical properties different form bulk materials due to the quantum size effect resulted from the small particle diameter together with large surface area [1].
Nanometer materials have been attracted much attention since they exhibit the excellent performance in the electricity, magnetics and photocatalytic area.
It is well known, CdS is an important nanometer semiconductor materials with band gap of 2.42 eV.
Mu: Nanometer materials and nanometer structure.
(Science Press, Beijing 2001) [2] Q.

Green recycled aggregates and mineral admixtures are important component materials for ‘green’ concrete.
The two major component materials of ‘green’ concrete are introduced and discussed in this paper.
Megat Johari: Construction and Building Materials Vol. 48 (2013), p. 379 [5] G.
Amziane: Construction and Building Materials Vol.47 (2013), p. 1117 [8] V.
De Baynast: Cement & Concrete Composites Vol. 34 (2012), p. 231 [9] Mukesh Limbachiya, Mohammed Seddik Meddah, and Youssef Ouchagour: Materials Journal Vol. 109 (2012), p. 91 [10] Her-Yung Wang: Waste Management Vol. 29 (2009), p. 335 [11] Shyh-Haur Chen, Chao-Shun Chang, Her-Yung Wang and Wei-Lun Huang: Construction and Building Materials.

Experimental Materials and Method Ti-bioglass composite powders were sprayed on the Ti6Al4V substrate.
Gray materials are identified as R-TiO2 and white-gray materials as A-TiO2.
There are white materials in the diffusion line.
Brovarone: Journal of the European Ceramic Society Vol. 24(2004),p.2699 [3] X.Y.
Ding: Journal of the Graduate School of the Chinese Academy of Sciences Vol. 22(2005),p.518 [4] B.Y Chou, E.

Experiment Materials and Equipments.
It is advisable that choose restoration materials according to transmittance of remnant tooth.
Yao: Modern Dental Color Science (Xiamen University Press, Xiamen, China, 2000), p.55
Chinese Journal Of Geriatric Dentistry.
Part II: core and veneer materials.

Engineering Mechanics of Composite Materials, Oxford University Press
Journal of Composite Materials, 43, 1877-1900
Journal of Composite Materials, 38, 1803-1814
Journal of Composite Materials, 38, 1803-1814
Journal of Composite Materials, 42, 1049-1061

Introduction The study of laser processing of materials is becoming increasingly closely linked with all fields of science and technology, without exception.
An important factor in the formation of new material properties is both the processing conditions and the basic state of the processed materials [1].
The nanopowders obtained by laser dispersion are widely used for the preparation of highly transparent ceramic materials, including magnetically active ceramics, materials used as active elements of solid-state lasers [8].
The obtained powder materials can be used in various fields of science and technology, in particular, in the additive technology industry.
Yang, Laser ablation in liquids: Applications in the synthesis of nanocrystals, Progress in Materials Science. 52 (2007)