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Sandwich Panels Made of Perforated Metal Materials Viktors Mironovs1,a *, Mihails Lisicins1,b and Irina Boiko2,c 1Riga Technical University, Scientific Laboratory of Powder Materials, Kipsalas 6B, LV-1048, Riga, Latvia 2Riga Technical University, Institute of Mechanics and Mechanical Engineering, Department of Mechanical Engineering and Mechatronics, Kipsalas 6B, LV-1048, Riga, Latvia aviktors.mironovs@rtu.lv, bmihails.lisicins@rtu.lv, cirina.boiko@rtu.lv Keywords: sandwich panels; perforated metal material; load-bearing capacity.
The aim of this paper is to investigate the possibility of using of perforated metallic materials for producing sandwich panels for the different application in the civil engineering.
Introduction Perforated metal materials (PMM) have found their application in the civil engineering, architecture, and mechanical engineering [1-3] due to the successful combination of low mass and sufficiently high strength.
Sandwich panels have made similar progress in the production and application in the civil engineering.
Last years the use of environmental materials such as peat chips and wood materials become urgent.

Gulam Waris Khan2,b 1Leather & Footwear Section, University Polytechnic, A.M.U., Aligarh, U.P., 202002, India 2Mechanical Engineering Section, University Polytechnic, A.M.U., Aligarh, U.P., 202002, India a*asif2231@rediffmail.com, bmgwariskhan@gmail.com Keywords: Polymer Materials, Footwear Application, India Abstract.
Polymer materials have become a key player in reshaping footwear design and manufacturing, offering diverse properties as alternatives to traditional materials.
Footwear Materials There are various types of materials used in footwear.
Identifying key players and analyzing market trends in polymer materials is vital for grasping evolving demands in the footwear industry.
Page (11-20). (2014) [14] Johnson, A. et al., Recent Advances in Polymer Blends for Sustainable Footwear, Polymer Engineering & Science. (2021) [15] White, S. et al., Polymer Foams in Footwear: Current Trends and Future Prospects, Polymer Testing. (2022) [16] Khan M.G.W.and Faheem A., Vulcanization, compounding, thermo-mechanical properties and surface morphology of montmorillonite nanoclay based nitrile rubber nanocomposites”, Materials Today: Proceedings, Elsevier, 2214-7853, (2023) [17] Smith J. et al., Polymer Nanocomposites for Footwear Applications: A Review, Journal of Polymer Science: Part B: Polymer Physics. (2020) [18] Clark, H. et al., Polymer Nanofibers for Lightweight and Durable Footwear, Materials Science and Engineering. (2018) [19] S.

Preparation of high performance silicon/carbon anode materials for lithium ion battery by high energy ball milling Linglong Kong1,a , Jie Zhao1,b*, Zhiyuan Wang2, Lei Li3, Ning Xu3, Xu Ma1,c* 1School of Materials Science & Engineering, Key Lab of Display Materials & Photoelectric Devices Ministry of Education,Tianjin University of Technology, Tianjin 300384, China 2School of Materials Science & Engineering, Tianjin University, Tianjin 300072, China 3Tianjin B&M Science and Technology, Tianjin 300384, China alinglongkong@163.com, bvzhaoj@ tjut.edu.cn, cmaxumax_cn@sina.com Keywords: high energy ball milling; lithium ion battery; silicon/carbon; anode materials Abstract.
High specific capacity and good cycle performance of silicon/carbon composite materials reveal that they are promising to replace the traditional carbon anode materials.
High capacity silicon/carbon composite anode materials for lithium ion batteries [J].
Study of silicon/polypyrrole composite as anode materials for Li-ion batteries [J].
Journal of materials processing technology. 2008, 208(1-3): p.35-41

Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications Joining and Processing in Engineering Ceramics to Metallic Materials, in Biomorphic SiC Ceramics, and in Bioactive and Bioinert Ceramics J.
Again, engineering ceramics may be the materials of choice based, but their brittle nature, poor machining properties, and cost severely limit their widespread utilization as monolithic components.
Joining of Engineering Ceramics with Metallic Materials Studies [10] on brazing SiC with reactive metals foils containing Ti showed that the Liquid metal/ceramic reaction intensifies as the melting point of the filler metal is increased.
Wood is known to be one of the best and most intricate engineering materials created by nature and known to mankind [12].
Klara, Power Engineering, 97 (12), 37-39 (1993)

The objective functions of the mathematic model are energy consumption, materials consumption, environment impact.
China Mechanical Engineering. 1997; 8 (4): 78-80
Chinese Journal of Mechanical Engineering. 1999.10; 35 (5): 11-15
China Mechanical Engineering. 2000.9; 11 (9): 961-964
Reactive Scheduling", Industrial Engineering Chemistry Research, 45, 8253-8269 (2006)

Research on the Feasibility of Shape-stabilized Phase-change Materials at Lower Temperature Used in the Phase Change Wall Quanying Yan a, Ran Huob and Lili Jinc Beijing Municipality Key Lab of Heating, Gas Supply, Ventilating and Air Conditioning Engineering, Beijing University of Civil Engineering and Architecture, 100044,China a yanquanying@bucea.edu.cn, b huoran5202006@163.com, cjinlili19880626@163.com Keywords: paraffin; high density polyethylene; shape-stabilized phase-change material; phase-change wall; energy saving Abstract.
The results may provide the basis for the application in the practical engineering in the future.
Experimental method Experimental equipments and materials.
Proceedings of the 28th intersociety energy conversion engineering conference.
Solar Energy Materials and Solar Cells, 2000,64(1):37~44.

Reconstructing of Prototype Surface with Reverse Engineering and Data Process Technology D.M.
Kuang: Computers & Industrial Engineering Vol.53 (2007), p.270–276 [2] X.M.
Huang, et al: Computers & Industrial Engineering Vol.40 (2001), p.215-227 [3] Nadira L, Isabelle C W, Jacky A: Data & Knowledge Engineering Vol.635 (2007), p.68–589 [4] Y.
Zhang: Journal of Materials Processing Technology Vol.139 (2003), p. 472–475 [5] P.Maresca: Engineering Applications of Artificial Intelligence Vol.13 (2000), p.99-107 [6] Y.P.
Dai: Medical Engineering & Physics Vol.27(2005), p.189-193 [7] R.S.

Mechanical engineering is a discipline of engineering that applies the principles of engine ering, physics and materials science for analysis, design, manufacturing, and maintenance of mecha nical systems.
Introduction Mechanical engineering is a discipline of engineering that applies the principles of engineering, phy -sics and materials science for analysis, design, manufacturing, and maintenance of mechanical syst -ems.
It is the branch of engineering that involves the production and usage of heat and mechanical power for the design, production, and operation of machines and tools.
It is one of the oldest and br -oadest engineering disciplines.
The key is the cor-responding dual frame .

Acknowledgements This work is financially supported by National Natural Science Foundation of China (No. 50975080) and Key Laboratory of Mechanical Engineering of Henan Province.
Namba: Key Engineering Materials, Vol 381-382 (2008), pp.105
Zhao: Chinese Mechanical Engineering, Vol 8 (1998), pp.61
Peng: Mechanical Engineering, Vol 36 (2000), pp.11
Liu: Key Engineering Materials, Vol 304-305 (2006), pp.171.

Fatigue Analysis For the Aircraft Landing Gear Connecting Parts LI Ji-yan1,a, YANG Zhi-bing1, b 1School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081,China abit_lijiyan@163.com, bzbyang@bit.edu.cn Key words: Fatigue Analysis; Landing gear; FEA Abstract: Landing gear is the critical component for aircrafts’ flight safety.
The results have a certain value in engineering application and theoretical research, especially in improving the design level and working reliability of the aircraft landing gear.
Introduction The landing gear is the key part of the aircraft.
Optimization and FEM Analysis on Stay Bar of an Airplane Landing Gear [J].Science Technology and Engineering, 2008,8(12):3243-3245
Key Technologies for Landing Gear of Large Civil Aircrafts[J].