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The validity and precision of this method was certified by indentation tests on kinds of different materials.
The corresponding parameters of Hollomon model for the two materials were listed in Table 1.
Vol. 54 ( 2006), p.65 [2] Liao YG, Zhou YC, Huang YL,and Jiang LM: Mechanics of Materials.
Vol. 39(3) (2007), p.350 (in Chinese) [6] Gong J H, Miao H Z, Peng Z J, Qi L H: Materials Science and Engineering.
A354 (2003), p.140 [7] Chen Z, He M, Bavani B, Chan C C: Materials Science and Engineering.

Metal rubber material is a new type of elastic and porous material which develops from metal materials.
Acknowledgement National Nature Science Fundation of China (50775220) References [1] Dai Depei.
[3] Wang Youyan, Bai Hongbai and Lu Chunhong: submitted to Journal of Ordnance Engineering College (2007)
[4] MA Yanhong, GUO Baoting and ZHU Zigen: submitted to Journal of Aerospace Power (2004)
[5] PENG Wei, BAI Hongbai and ZHENG Jian: submitted to Journal of Experimental Mechanics (2005).

SN curve model can be used to quantitatively describe the fatigue properties of composite materials, and predict fatigue life of composite materials.
Materials Science and Engineering, 20(2002) 41-43 [21] Yang J N, Liu M D.: Residual Strength Degradation Model and Theory of Periodic Proof Tests for Graphite Lepoxy Laminates[J].Journal of Composite Materials,11(1977)176-203 [22] Sun G X, Feng Y S.: Model of Fatigue Life Reliability Analysis Based on Residual Strength Degradation Theory[J].
Journal of Composite Materials, 27(2010) 173-178 [27] LI Yazhi, Zhang Kaida, Zhang Boping.: A FRP Cumulative Damage Model and its Application on Fatigue Life Estimation[J].Chinese Journal of Applied Mechanics, 20(2003) [28] R.
Materials Science and Engineering, 20(2002) 513-516 [33] Peng Ge, Yuan Shenfang.: Research on Using Wavelet Neural Network to Recognize Damage in Composite Materials[J].
Chinese Journal of Science Instrument, 25(2004) 740-742

Study on the Abrasive Effecting Factors of the Removal Rate during Dual-Lapping Sapphire Wafer ZHANG Kehua1, 2, a , WEN Donghui 1, b , and YUAN Julong 1, c 1 The MOE Key Laboratory of Mechanical Manufacture and Automation, Zhejiang University of Technology, Hangzhou, 310032, China 2 Institute of Machinery Equipment and Measurement & Control Technology, Zhejiang Normal University, JinHua, 321004, China a mature@126.com, bwdh_74@163.com, cjlyuan@zjut.edu.cn Keywords: Sapphire Wafer, Dual-Lapping, Materials Removal Ratio, Surface uniformity Abstract: Dual-lapping was a process to planarize the surface of the sapphire wafer, the nature of surface&subsurface damage and the surface uniformity was depended on the material removal mode and materials removal ratio.
Material removal mode was studied in this paper, and the model of material removal was set up too.
This research provided valuable insights into the material removal ratio and the dependence of lapping-induced damage on dual-lapping conditions, the asymmetry of abrasive granularity brought on the different materials removal mode and the surface asymmetry.
CHINA ILLUMINATING ENGINEERING JOURNAL, 14(4):23-31 (2003) [4] HAN Peide,DUAN Xiaofeng,SUN Jialong, ZHANG Z,WANG Zhanguo.: Difference Between Ga� Films Grown on Two Opposite Oriented c-Al2O3 Wafers[J],CHINESE JOURNAL OF SEMICONDUCTORS,22(8):1030-1034(2001) [5] Y.S.
Trans. of the ASME, Journal of Manufacturing Science and Engineering, 122(2):413-419 (2000)

Journal of Sustainable Cement-Based Materials, 5(1-2), 1-22
Open journal of composite materials, 2014
Journal of Materials Chemistry A, 3(24), 12580-12602
Journal of Materials Research and Technology, 20, 4148-4160
Journal of Materials Chemistry B, 3(32), 6547-6570

[3] Krishan K.Chawla, Composite Materials.
Science and Engineering, Springer-Verlag New York, 2012
Rumpel, Properties of boron fibers and composites, Polymer Engineering & Science, 7- 2 (1967) 124–127
Lapkovsky, Recycling of Al-W-B Composite Material, Key Engineering Materials, 527 (2012) 143–147
Boyko, Al-W-B powder materials, Estonian Journal of Engineering (2010) 142-149.

Experimental Materials Table 1 summarizes the composition of the NR/Cu-Ac composites.
The modulus at 300% strain also provides insights into the stiffness of materials.
Fan, Polymer dielectrics for capacitive energy storage: From theories, materials to industrial capacitors, Materials Today. 68 (2023) 298–333. https://doi.org/https://doi.org/10.1016/j.mattod.2023.07.023
Saetung, Synthesis and characterization of novel natural rubber based cationic waterborne polyurethane: Effect of emulsifier and diol class chain extender, Journal of Applied Polymer Science. 135 (2018). https://doi.org/10.1002/app.45715
Assiri, Optimization of structural, dielectric, and magnetic properties of nanocrystalline copper doped spinel ferrites, Materials Science and Engineering: B. 297 (2023) 116739. https://doi.org/https://doi.org/10.1016/j.mseb.2023.116739

Study on Friction Properties of Cu-Fe-based Powder Metallurgy Materials under Dry and Wet Friction Conditions Rong FU, Fei GAO, Baoyun SONG Copper-iron-based friction materials were prepared by powder metallurgy process.
Experimental material and method Testing materials are composed of electrolytic copper powder, reduced iron powder, graphite and SiO2.
The Chinese Journal of Nonferrous Metals. 2008,18(7):1223-1230 7.
Journal of Materials Science & Engineering. 2005,23(6):871-874 8.
China Railway Science, 2004,25(4):11-17

TE0 Mode Resonant Properties of the Rubidium Clock Microwave Cavity Loaded with Ceramic Material XiaoXiao Li, JinLi Lei, Guo Dong Ren School of Science, Lanzhou University of Technology, Gansu, P.R, China lixiaoxiaogood@126.com Keywords: Ceramic material; Rubidium gas; resonant frequency; rubidium clock Abstract.
To miniaturize the cavity , materials are often filled in the microwave cavity.
Science, 2005, 57(5): 8-10 [4]X.L Ning, S.B Kang, F Zhao, et al.
Chinses Journal of Radio Science, 2003, 18(4): 404-407 [8] B.Z Cao, S.X Li, Q Huang, et al.
Journal of Lanzhou University (Natural Science), 2010,46(1): 124-128.

Ouyang, S.Sasaki, T.Murakami, K.Umeda: Materials Science and Engineering.
Vol. 509 (2011), p. 1661 [11] Dongyun Li, Hui Yang, Guanjun Qiao: Journal of Materials Science and Engineering.
Vol.24 (2006), p. 17 [12] Haiyun Jin, Hui Xu, Guanjun Qiao: Materials Science and Engineering.
Vol. 483-484 (2008), p. 214 [13] Guiqing Chen, JiecaiHan, Shanyi Dun: Journal of Materials Engineering .
Vol. 37 (2003), p. 508 [17]Guangyong Wu, Chonghai Xu, Yonglian Zhang: Materials Science Forum.