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Assumed that the friction element material is isotropic, physical properties of the materials keep the same in the process of shifting.
Fig. 8 Changes of slipping line speed Fig. 9 Influence of initial speed on peak pressure change The Influence of Friction Materials.
And there is big difference in exponential growth rate b, as slipping speed v = 15m / s, b= 10.4 for copper-based material and b= 4.4 for paper-based materials.
Fig. 10 Changes of exponential growth rate b corresponding to different friction material Fig. 11 Peak pressure changes with engaging time under different friction materials The Influence of Thermal Conductivity Coefficient.
It is found that copper-based friction material is more sensitive to TEI, compared with paper-based friction materials (2).By analyzing the influence of the initial slipping speed on TEI, it is proved that the initial slipping speed has great impact on maximum pressure

By optimization analysis, the optimized non-cylindrical fuselage structures are obtained in low bending stress and deformation condition, and optimized layer thicknesses ratio of composite material are presented.
Material Properties.
Acknowledgments This work was supported by Postdoctoral Science Foundation of China (W016312) and NPU Foundation for Fundamental Research (NPU-FFR-CJ201023).
Journal of Aircraft Vol. 41 (2004), p. 10-25 [2] Mukhopadhyay V.: Structural Concepts Study of Non-circular Fuselage Configurations.
AIAA Journal Vol. 41 (2004), p. 925-930 [4] F.J.J.M.M.

This study explores the potential of using agricultural waste, specifically biochar, to enhance bituminous materials.
This method converts agricultural residues like crop waste, wood chips, and other organic materials into biochar, which has numerous environmental and material benefits [1].
Reyes-Ortiz, “Effect of Biochar from Oat Hulls on the Physical Properties of Asphalt Binder,” Materials, vol. 15, no. 19, Oct. 2022, doi: 10.3390/ma15197000
Wu et al., “Modeling of the Complex Modulus of Asphalt Mastic with Biochar Filler Based on the Homogenization and Random Aggregate Distribution Methods,” Advances in Materials Science and Engineering, vol. 2020, 2020, doi: 10.1155/2020/2317420
Khichad, and · Ghanshyam Balotiya, “Characterization and Evaluation of Bamboo Species for Construction Applications Incorporating TOPSIS, AHP and VIKOR,” Arabian Journal for Science and Engineering 2024, pp. 1–17, Mar. 2024, doi: 10.1007/S13369-024-08797-X

Materials and Methods Materials.
We find the mechanical properties of cell wall meeting the two-parameter M-R model.The strain energy equation of the Mooney-Rivlin materials as followings: (4) Where: W means strain energy density, C1,C2 are the coefficient of the Mooney-Rivlin materials, also called Mooney Material Constant, I1,I2 are respectively the first and second Green strain invariant.
Characterization of Viscoelastic Properties of Polymeric Materials Through c [7].Jose Angel Ramos, Miren Blanco and Iñaki Zalakain.
Journal of Colloid and interface Science,2009,336(2):431-437 [8].Mordehai D,Kazakevich M and Srolovitz DJ et al.
Mechanics of composite materials.2011 46(6):667-678 [10].Zhou Zhaobing,Xu Zhaoyang and Zhang Yang et al.

Methods and Materials Materials.
Song, in: Environmental Science & Technology, Vol. 34 (2011) p. 128-132.
Yang, in: Journal of Hazardous Materials Vol. 169 (2009) p. 480-485
Adlan, in: Journal of Hazardous Materials Vol. 176 (2010) p. 749-758.

Magnesite B.V., The Netherlands) silica fume (SF, Elkem Materials Ltd) and a milled sand were prepared.
Pigeon, Influence of key parameters on drying shrinkage of cementitious materials.
Canadian Journal of Civil Engineering, 2004. 31: p. 767-775
Journal of the American Ceramic Society, 1987. 70(5): p. 329-332
Clegg, Effects of porosity on the fracture energy of brittle materials.

Journal of Software, 2009, 20(5): 1337- 1348(in Chinese)
Advanced Materials Research, 2012, 45:1568-1677 [4]Renwang Li.
Generic bill-of-material: a new product model [J].
International Journal of Production Economics. 1991, 23: 117-128
Modeling product structures by generic bills-of-materials [M].

The addition of fillers to polymers is a fast and cheap method to modify the properties of the base materials.
Experimental Materials.
Materials LLDPE/BWC composites LLDPE/CC composites LLDPE (php)* 100 100 Clay (php)* 0, 1, 5, 10, 20, 30 0, 1, 5, 10, 20, 30 *per hundred part of polymer Radiation curing of the composites.
Henachandra: Journal Appl.
Mahapatro: Journal Appl.

Estimation of Strain-Hardness Correlation in Cold-forged Austenitic Stainless Steel Piotr Skubisz 1,a*, Maciej Rumiński1,b and Łukasz Lisiecki 1,c 1 AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, al.
The obtained results can be used to the proper selection of a material for screws, considering mechanical properties, the adequate design of forming processes as well as the selection of tool materials and tool geometry [4-6].
Only selected results are discussed, describing the materials being investigated, as well as the results of theoretical calculations performed for two material grades and for two different shapes of screw heads.
Data collected during hardness measurements were utilized for construction of the hardness curves for both analysed materials, typically used for production of cold drawn and headed screws or bolts [7].
Journal of Materials Processing Technology, 186, 2007, 163-173 [4] Łuksza J., Skołyszewski A., Rumiński M., Paćko M.: Some aspects of stainless steel fasteners production technology.

Electroless Ni-P Plating on Mg-7Al Alloy by Chemical Conversion Pretreatment Suqiu Jia1, a,Jingxin Guan1, b,Jingdong Qiu 1,c ,Hua Chen1, d and Shuyan Jia 2, e 1 School of Materials and Science engineering, Changchun University of Technology, Changchun, 130012, China 2 Liaoyuan School of Business and Technology,Liaoyuan, Jilin Province, 136200 ,China ajiasuqiu@mail.ccut.edu.cn, bguanjingxin@126.com, cqiujingdong@mail.ccut.edu.cn dchenhua@mail.ccut.e.du.cn,ejiasuyan@126.com Keywords: electroless Ni-P plating; Magnesium alloy; corrosion; chemical conversion.
Acknowledgment The work was supported by the National Natural Science Foundation of China ( No.50771025 and No.51071034), the Natural Science Foundation of Jilin Province (No.20110410),the Twelth-Five Year Research Program of Science and Technology of education Bureau of Jilin Province(No.2011097) and the Foundation of Key Laboratory of Automobile Materials, Ministry of Education, Jilin University (No.11-450060445347).
Trabanelli et al: Corrosion Science ,Vol.49(2007) , p. 4542 [7] C.S.
Lai: Corrosion Science,Vol. 48(2006),p. 93 [8] Mustafa Anık , Erhan Körpe : Surface & Coatings Technology ,Vol.201(2007) , p. 4702 [9] W.X.
Paydar: Materials and Design ,Vol.31(2010), p. 3095 [11] Liuhui Yu,Weigang Huang, Xu Zhao:Journal of Alloys and Compounds,Vol. 509 (2011), p. 4154 [12] Gou Yinning, Huang Weijiu, Zeng Rongchang, Zhu Yi: Trans.