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Lankford, Small Fatigue Cracks: A Statement of the Problem and Potential Solutions, Materials Science and Engineering Vol. 84 (1986) 11-16
Hutchinson, Cracking and stress redistribution in ceramic layered composites, Materials Science and Engineering Vol.
Kao, Effect of fibre bridging on the fatigue crack propagation in carbon fibre-reinforced aluminum laminates, Materials Science and Engineering Vol.
Qin, Experimental investigations of the effect of thickness on fracture toughness of metallic foils, Materials Science and Engineering Vol.
Ritchie, Laminated Nb/Nb3Al composites: effect of layer thickness on fatigue and fracture behavior, Materials Science and Engineering Vol.

It brings a new revolution in manufacturing science.
The device can jet two materials-low viscosity material transports along the inside of axis, while the high viscosity material along the outside, then they converge in the axis tip.
The used materials of above nozzle and the requirement of biomaterials is listed in Table 1.
Balic: Journal of Materials Processing Technology Vol. 164-165 (2005), p. 1416-1422 [2] Hongbo Lan: Computers in Industry, Vol. 60(9) (2009), p. 643-656 [3] C.S.
[5] J.P.Kruth, M.C.Leu and T.Nakagawa: CIRP Annals - Manufacturing Technology Vol. 2(47) (1998), p. 525-540 [6] Justin Tyberg, Jan Helge Bohn: Materials and Design Vol. 20(2-3) (1999), p. 77-82 [7] Ben Utela, Duane Storti: Manufacturing Processes Vol. 10(2)(2008), p. 96-104 [8] JIN Le, XIONG Zhuo et al: Tsinghua Science & Technology Vol. 49(5) (2009)

Table 1 Chemical composition of materials.
Materials Today: Proceedings. 38 (2021) 1322-1325
IOP Conference Series: Materials Science and Engineering. 966 (2020)
Materials Today: Proceedings. 19 (2019) 1994-1997
Journal of Biomedical Materials Research - Part B Applied Biomaterials.

For both materials the strength decreases with storage time.
At pH 7 both materials were stable for the test period.
Kenny, Bone cements and fillers: A review, Journal of materials science: Materials in medicine 14 (2003) 923-938 2.
E.Fernandez, Calcium phosphate bone cements for clinical applications Part I: Solution chemistry, Journal of materials science: Materials in medicine 10 (1999) 169-176 5.
Chow, L.C., Monographs in Oral Science, Vol 18, Octacalcium phosphate (2001)

Introduction Functionally graded materials are inhomogeneous composites within which materials properties vary continuously.
This is achieved by gradually changing the composition of the constituent materials, usually in one direction, to obtain smooth variation in material properties [1].
Materials properties are graded in the thickness direction according to a power-law distribution.
The zirconia and titanium alloy are selected for the two constituent materials of the plate in the present examples, referred to as ZrO2/Ti-6Al-4V.
Computer Methods in Applied Mechanics and Engineering. in press [9] Yuxin Hao, Wei Zhang, Lihua Chen and Jigang Lei, Nonlinear Oscillations, Bifurcations and Chaos of Functionally Graded Materials Plate, Journal of Sound and vibration, in press

Effect of the additive 45S5 on the properties of bioactive glass scaffold materials Yinyan Ju1, a, Qiang Li1, Wangnian Zhang1, Xiaofeng Chen2,b 1School of Mechanical and Material Engineer, Jiujiang University, Jiujiang, Jiangxi, 332005, China 2School of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong, 510641, China amaplejyy-0607@163.com, bchenxf@scut.edu.cn Keywords: sol-gel method, bioactive glass, bending strength, hydroxyapatite-carbonate-apatite, simulated body fluid (SBF) Abstract.
The bioactive porous materials were finally produced through sintering.
Experiments Scaffold materials production.
Journal of Functional Materials [J],2008, 7(39):1189-1196 (in Chinese) [6] A Ramila, M Vallet-Regi.
Journal of Non-Crystalline Solids [J], 1992 (143):84-92

A Material Removal Modeling of Chemical Mechanical Polishing Based on Micro-contact Mechanism Shiwen Dua , Yongtang Lib，Jianjun Song, Huiping Qi School of Material Science & Engineering, Taiyuan University of Science and Technology Taiyuan,030024,China atykddsw@126.com, bliyongtang@tyust.edu.cn Keywords: chemical mechanical polishing; material removal rate; planarization; hyper-elastic Abstract.The model proposed integrates process parameters including pressure and velocity and other important input parameters including the wafer hardness, pad roughness, abrasive size, and abrasive geometry into the formulation to predict the material removal rate.
Material removal rate of single abrasive particle is calculated by the abrasive wear theory.
The schematic of a particle removal material model is shown in Fig.3.
Acknowledgments: This work was supported by Major State Basic Research Development Program(973 program)(No.2009CB724200) and The Tribology Science Fund of State Key Laboratory of Tribology(SKLTKF09B08), ShanXi Province Science Foundation for Youths(No2010021023-4) and The Innovation Funds of Graduate ShanXi Province(No.20093097) .
Soc Vol.146 (1999) ,p.1523 [5] J.J.Vlassak: Journal of the Mechanics and Physics of Solids Vol.52 (2004) ,p.847 [6] Elon J.Terrell.

[12] H.Jones, "The Status of Rapid Solidification of Alloys in Research and Application " Journal of Materials Science vol. 19, pp. 1043-1076, 1984
Zhang, "Study on the Extruded Structure of Rapidly Solidified Hypereutectic," Journal of Materials Science Letters, vol. 21, pp. 537-538, 2002
Pers, "Characterization of Al-Si-Alloys Quenched from the Melt," journal of Materials Science, vol. 15, pp. 2803-2810, 1980
Chun, "Microstructure of Rapidly Solidified Al-20%Si Alloys Powders," Materials Science and Engineering, vol.
Li, "Microstructure Characteristics of a Hypereutectic Al-Si Alloy Manufactured by Rapid Solidification/Powder Metallurgy Process," Journal of Materials Science Letters, vol. 20, pp. 1513-1515, 2001

For investigation purpose a deep freezer which runs on vapor compression system of 50 liters storage capacity is fabricated with and without phase change materials.
The eutectic compositions nearly 23 wt% salt (NaCl) dissolved in water and aluminium nitrate around 26 wt% dissolved in water are used as phase change materials.
References [1] S.D.Sharma, Kazunobu Sagara, Latent heat storage materials, and systems: A Review, International Journal of Green Energy, 2 (2002) 1-56
[2] Belen Zalba, Jose Ma Marýn, Review on thermal energy storage with phase change: materials, heat transfer analysis and applications, Applied Thermal Engineering, 23 (2003) 251–283
Dumas, Phase-change thermal energy storage using spherical capsules: performance of a test plant, International Journal of Thermal Sciences 19 (1998) 119-152

Scholars made kaolinite as nano-materials, porous materials, intercalation compounds and used them as molecular sieves, adsorbents, catalyst and various functional materials [1,2,6-8].
Experimental Materials Mass fraction of 36%~38% of hydrochloric acid is used as the leaching reagent.
Journal of Colloid and Interface Science 323(2008), p.338–348 [9] Mackenzie KJD, Brown IWM, Meinhlod RH, et al.
Microporous Materials 21 (1998), p.289-296
Materials Journal 5 (21)(2007), p.56-58(in Chinese) [16] Xiyao Liu.