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However, these methods did not considered the heterogeneity feature of quasi-brittle materials at mesoscopic level.
When quasi-brittle materials subjected to stress field, cracks may initiate, propagate, interact and coalesce.
This type of stress will induce inner damage of composite materials.
If the temperature change is high or low enough, the TMS is easy to cause the failure of composite materials.
Parsons: Journal of Research of the U.S.

Research on Influence of the Material Anisotropy to the Surface Quality during SPDT Machining of Crystal KDP Mingjun Chen1,a, Yingchun Liang 1,b , Jinghe Wang 1,c and Xinzhou Zhang1,d 1 Harbin Institute of Technology, P.O.Box 413 # , Harbin 150001, China a chenmingjunok@yahoo.com, bycliang@hit.edu.cn, chitwjh@163.com, dxzzhang@hit.edu.cn Keywords: Crystal KDP, Ultra-precision machining, Material anisotropy, Super-smooth surface Abstract.
According to equation (1) and calculation equation of shear angle, we can find out the variation rule of the cutting force with the material anisotropy in theory, Fig.2 is the analysis result.
Acknowledgement Authors gratefully acknowledge the National Natural Science Fund of China (contact No. is 50405011) for their financial support of this work.
Fang and et al: Journal of the American Ceramic Society, Vol.85 (2002), pp.174-178
Liang and et al: Key Engineering Materials, Vols.315-316 (2005), pp.725-730.

Nowadays, some materials need to be tested in a high-temperature and high-pressure aqueous solution.
For example, the shield materials of many sensors are often needed to test according to its application environment.
At the three openings of the containers, same PPR materials were used to make relevant flanges, which were fixed with bolts.
Experimental materials.
Experimental materials are pure copper pipe and coated copper pipe.

Withers: Stresses in Microelectronic Circuits, in Encyclopedia of Materials: Science & Technology, K.H.J.
Schajer: Journal Of Engineering Materials And Technology-Transactions Of The Asme Vol. 110(4)(1988), p. 338-343
Li: Journal Of Engineering Materials And Technology-Transactions Of The Asme Vol. 125(2)(2003), p. 153-162
Prime: Journal Of Engineering Materials And TechnologyTransactions Of The Asme Vol. 129(2)(2007), p. 227-232
Altus: Journal Of Engineering Materials And Technology-Transactions Of The Asme Vol. 118(1)(1996), p. 120-126

Experimental Materials.
All these materials were used without further purification.
Thermal properties of polymer are related to the materials processing.
Lotan, Microparticles of novel branched copolymers of lactic acid and amino acids: preparation and characterization, Journal of Pharmaceutical Sciences, Vol. 88(1999) p. 136-141
Wang, Syntheses of poly(lactic acid-co-glycolic acid) serial biodegradable polymer materials via direct melt polycondensation and their characterization, J.

Generally, wood protection materials should prolong the lifetime of wooden elements.
Doped photocatalytic materials are not such efficient as undoped ones [5].
TiO2 belongs to the most available materials with photocatalytic properties.
Palmisano, A survey of photocatalytic materials for environmental remediation, Journal of hazardous materials 211 (2012) 3-29
Coating materials and coating systems for exterior wood.

During the process of being used, engineering structures will undergo material aging and structural damage with time passing by under the combined influence of internal factors including load, environment and structural material[1], and accumulation of such damages will cause decrease of bearing capacity, durability and reliability.
Journal of Harbin Architectural Engineering Institute, 1990, 23 (2): 1-10 [4] Niu Ditao.
Journal of Xi’an University of Architecture & Technology. 1995, 27 (3): 380-383 [5] Wang Guangyuan, et al.
Journal of Xi’an University of Architecture & Technology 1997, 29 (4): 355-359 [9] Li Guiqing and Li Qiusheng.
Beijing: Science Press, 2001, 57-70 [10] Chen Zhaoyuan.

The high-carbon materials.
Plenty of materials which are used in the housing construction are a kind of the high-carbon materials that have the obvious carbon footprint.
Journal of Housing Materials & Applications. (2002),10,p.7-8,6
Journal of Housing Industry, (2011), 10, p.10-13
Information of Science and Technology,(2010),23.

Extensive research has been carried out to develop joining techniques for these materials.
Materials Science and Engineering A.
Materials Science and Engineering A Vol. 383, (2004), p. 235~244 [4] Gu Xiao-long, Wang Da-yong, Wang Ying, et al.
Materials Science & Technology.
Journal of Materials Processing Technology, Vol. 152, (2004), p. 257~26

Classical surface NDT methods are thus advantageously supplemented by surface prints in selected places of the inspected material.
The replica material does not shrink, is flexible and non-flammable.
For easy application of the replication material, an application gun is available to the user, in which the two components are mixed, and a silicone rubber-based replica is formed.
Both types were compared with each other during printing of the defects detected by the fluorescence magnetic method on the surface of the rotor bearing journal, Fig. 2.
Zahradka, Three-Dimensional Profilometry Utilization on VVER Type Reactors, Journal of Nuclear Engineering and Radiation Science 2021, 7 (2), 1-6