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Influence of Mischmetal on Performance of Copper Based Electric Contact Materials Zhongquan GUO 1, 2, a, Haoran GENG1, 2, b, * , Bin WANG 1 , Zhaoxi HAO3 and Zhiming WANG 1 1 School of material science, JInan University, Jinan, CHINA 2 School of material science, Shandong University, Jinan, CHINA 3 Jining Mining industry group, Jining, CHINA a guozhongquan@163.com b, *strong-422@163.com Keywords: Electric contact material; Inoxidizability; Electrical conductivity; Non-fusibility.
The table 1 shows the ingredients in sample materials labeled C1~C8.
A correct base intensity of the materials.
Guo: Mechanical engineering materials, 3(2004), p. 7-9 [5] B.G.
Guo: Journal of Rare Earth, S3 (2005), p.377-382 [6] Q.L.

Introduction The active development of materials science has led to the appearance of new polymer binders types with increased rheological and strength indicators and composite materials based on them.
Environmental impact of food packaging materials: A review of contemporary development from conventional plastics to polylactic acid based materials, Materials. 13(21) (2020) 4994
Safin, Study of the destructive properties of biodegradable wood-filled composite material,Materials Science Forum. 992 (2020) 290-295
Shaikhutdinova, Research of biodegradable wood completed composite materials based on polylactide, Journal of Physics: Conference Series. 1399(4) (2019) 044117
Voronin, Analysis of physico-mechanical properties of composites based on polylactide and thermally modified wood fibers, Materials Science Forum. 870 (2016) 202-206.

In this paper, the applications of Inorganic Ceramic Materials in water pollution control technology and air pollution purification, and the problems under implementing Inorganic Ceramic Materials are pointed out; meanwhile a trend analysis of ceramic materials is proposed.
Introduction The research of ceramic materials was carried on from the 1940s.
Inorganic Ceramic Materials There are many sophisticated preparation methods for ceramic materials, depending on the requirements to material, thickness, structure, aperture radius, porosity of the application process.
The application of inorganic ceramic materials in membrane bioreactor (MBR).
[2] Nanping Xu, Weihong Xing and Pei Wang: Journal of Membrane Science and Technology Vol.20(2005),p23-27,in Chinese

Composite materials exhibit little or no yielding before failure.
Yates: Fatigue & Fracture of Engineering Materials & Structures Vol. 19 (1996), p. 523-528
Leonhardt, Journal of Composite Materials, ASTM STP 749 K.T Kedward, Ed., American Society for Testing and Materials, 1981, pp 117 – 130 [13] J Eshelby, (1956).
Soni, Journal of Composite Materials, ASTM STP 749 K.T.
,American Society for Testing and Materials, 1982 pp 145 - 164

Subject Area Analysis As illustrated in Fig. 3, Engineering represents the largest field in SCEC research, comprising 53.9% of the total publications, followed by Materials Science (17.2%), Environmental Science (4.0%), and Earth and Planetary Sciences (2.9%).
This interdisciplinary focus highlights the relevance of SCEC across fields such as materials science, engineering, and sustainable design.
The research is predominantly concentrated in engineering, which accounts for over 50% of publications, followed by materials science and environmental science.
The interdisciplinary nature of SCEC research is evident, with engineering, materials science, and environmental science leading the way.
Materials (Basel) 2022;15:816. https://doi.org/10.3390/ma15030816

In this context, the paper presents the results of a project financed by the EU LIFE + fund, dedicated to the creation of chains of secondary raw materials.
The main strategies involve reducing the pollution associated with manufacturing systems with particular reference to waste materials and their recovery.
Journal of Cleaner Production, International Journal of Cleaner Production Vol. 29–30 (2012), pp. 122–131
American Journal of Environmental Sciences Vol. 8(3) (2012), pp. 195-201
Global NEST Journal Vol. 11(3) (2009), pp. 364-372.

However, social and economic development is supported by a large number of various types of raw materials.
Therefore, the resource-saving and environment friendly development of materials and their industry has becoming the material foundation for sustainable development of social and economic, eco-materials are also researched and universally applied, and project investment of eco-materials is gradually increasing.
Consequently, the model helps to disperse and control investment risk of eco-materials indurstry, and then advance the success rate of eco-materials indurstry investment.
Institute of Computer Science Warsaw University of Technology. 1993 [7] R.
International Journal of Pattern Recognization and artificial intelligence. 2005, 5: 663-680

Science and Engineering of Composite Materials, 23(2016): 453-460
International Journal of Mechanical Sciences, 122(2017): 1-17
International Journal of Mechanical Sciences, 110(2016): 160-169
Analysis of thin-walled open-section beams with functionally graded materials.
Materials and Design, 116(2017): 656-665.

Determination of Weight Values for Assessment Indexes of Engineering Materials based on Fuzzy Pairwise Comparison Method Li Min, Ma Yujun (School of Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China) Limin7565@yahoo.com.cn Keywords: Fuzzy, Pairwise comparison, Engineering materials, Weight Abstract.
For example, Huang[3] evaluate the structural state of subway tunnel in operation by expert scoring system, and Zhang[1] uses analytical hierarchy process to determine the weight values for assessing engineering materials, etc.
Determination of weighting values for assessment indexes of engineering materials based on analytic hierarchy procedure[J].
Journal of Lanzhou University of Technology, Vol.33(2) (2007), p.17-19
Journal of Jianghan University (natural sciences), Vol.32(4) (2004), p.63-65

First-Principles Calculation of Intermetallics on Novel Anode Materials Jin ZHANG1,a, Pei-xian ZHU1,b, Sheng-gang ZHOU1 and Jia-xin GUO1 1Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China azhangjin819@hotmail.com, bzhu_pei_xian@163.com, Keywords: Sandwich structure, composite materials, diffusion sintering with pressing in vacuum, intermetallic compounds, first-principles calculation.
Our team proposes the design concept of layered composite electrode materials.
So we propose the design concept of layered composite electrode materials.
Computational Materials Science, 50(2011),p.1467-1476
Materials Science&Technology, 15(2007), p.47-51