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Therefore, LFW has been widely used to join a range of materials including intermetallic materials, steel, aluminum, copper, nickel and titanium alloys with the greatest emphasis on aircraft engine alloys [1].
As shown in Fig. 3(c), flash distributes disorderly and does not enclose the weld line, which may result in not extruding oxidized material completely.
(Science Press Publications, Beijing 2004)
Du : Welding Journal, Vol. 22(2001), p. 87. in Chinese [9] A.
Li: The Chinese Journal of Nonferrous Metals, Vol. 18(2008), p. 1395 [11] D.G.

The experiment material is GCr15 bearing steel.
GCr15 bearing steel hardened to HRC 50~65 is classified as difficult-to-cut materials.
Components made of such materials, such as bearings and shafts due to improved strength and wear resistance compared with other metals, are traditionally machined by grinding.
Yan: Journal of Materials Processing Technology，Vol.129 (2002), pp.217-221
Wu: Journal of Engineering for Industry, Vol.117(1995), pp.133-142

This was done by removing a thin layer of material on the piston crown by surface grinding operation and introducing three chambers in the piston crown in such a way that the volume of the material added balances the volume of material removed so that the compression ratio of the engine is not altered in any way.
This has been done by removing a thin layer of material on the piston crown by surface grinding operation.
The welded rod is then inserted through the hole drilled at the centre of piston in the piston crown in such a way that the volume of the material removed balances the volume of material added so that the compression ratio of the engine is not altered in any way.
[4] Wendy Hardyono Kurniawan, Shahir Abdullah and Azhari Shamsudeen “A Computational Fluid Dynamics Study of Cold-flow Analysis for Mixture Preparation In a Motored Four-stroke Direct Injection Engine”, Journal of applied Sciences, 2007: 7(19): pp2710-2724
[5] S.L.V.Prasad, Prof .V.Pandurangadu, V.V.Pratibha Bharathi, V.V.Naga, Deepthi, “Experimental Study of the Effect of in Cylinder AIR Swirl on Diesel Engine Performance” International Journal of Engineering Science and Technology, 2011: vol.3, No.2, pp1571-1575

The reliability analysis of cutting tools in the HSM processes, Archives of Materials Science and Engineering, Volume 30 Issue 2, pp. 97-100 [3] Abukhshim, N.A., Mativenga, P.T., Sheikh, M.A. (2005).
Tool-life reliability of cermet inserts in milling tests, Journal of Materials Processing Technology 77 pp. 337–343 [5] P.
Dry turning of tempered martensitic stainless tool steel using coated cermet and coated carbide tools, Journal of Materials Processing Technology 185, 83–90 [7] Dobrzañski, L., A., Golombek, K., (2005).
Structure and Properties of Selected Cemented Carbides and Cermets Covered with TiN/(Ti,Al,Si)N/TiN Coatings Obtained by the Cathodic Arc Evaporation Process, Materials Research, Vol. 8, No. 2, 113-116
R., Effect on cutting force in turning hardened tool steels with cubic boron nitride inserts, Journal of Materials Processing Technology, Volume 191, Issues 1-3, 1 August 2007, Pages 274-278 [10] Bouzid Sa¨I, 2005.

Sato, et. al., Materials Science Forum, Vols. 551-552(2007), p. 43-48
Tayupov, Materials Science Forum, Vols. 170-172 (1994), p. 769-774
Lee, et. al., Materials Science Forum, Vol. 544-545(2007), p. 183-186
Lee, et. al., Key Engineering Materials Vols. 345-346(2007), p. 549-552
Lutfullin, Materials Science and Engineering, Vol. 323(2002), p. 416-426.

An Intelligent Framework for Energy Efficient Health Monitoring System Using Edge-Body Area Networks R.Abirami1,a*, Dr.E.Poovammal2,b 1Department of Computing Technologies, SRM Institute of Science and Technology, Kattankulathur,India-603 203 2Department of Computing Technologies, SRM Institute of Science and Technology, Kattankulathur,India-603 203 aar5816@srmist.edu.in, bpoovamme@srmist.edu.in Keywords: Energy, Extreme Learning Machines, Machine learning, Cluster head, Sensor.
Singh and Ryait Anuj Kumar Gupta, "Wireless Body Area Nework-A Review", An International Journal of Engineering Sciences, 2016
Alabady, “A Review on Energy Efficient Routing Protocols in Wireless Body Area Networks (WBAN) for Healthcare”, Journal of Network Communications and Emerging Technologies (JNCET) Volume 10, Issue 10, October (2020) [4] S.
Kang, “Wban for healthcare applications: A survey ofcurrent challenges and research opportunities,”Journal of Critical Reviews,vol. 7, no. 17, pp. 2444–2453, 2020
[11] Farhan Aadil1 , Bilal Mehmood1 , Najam Ul Hasan2 , Sangsoon Lim3,*, Sadia Ejaz1 and Noor Zaman, “Remote Health Monitoring Using IoT-Based Smart Wireless Body Area Network”, Computers, Materials & Continua, DOI:10.32604/cmc.2021.014647 [12] Samira Akhbarifar1 & Hamid Haj Seyyed Javadi2 & Amir Masoud Rahmani1 & Mehdi Hosseinzadeh, “A secure remote health monitoring model for early disease diagnosis in cloud-based IoT environment”, Personal and Ubiquitous Computing https://doi.org/10.1007/s00779-020-014753 [13] Verma P, Sood SK, Kalra S, Cloud-centric IoT based student healthcare monitoring framework.

Typical materials used for the dielectric layer are glass, quartz, ceramics and polymer coatings.
International Journal of Engineering Science. 38 (2000)135- 158
Journal of Micromechanics and microengineering, 9(1999) 313-318
Journal of Transducer Technology, 24(2005) 37-39
Applied Surface Science, 256(2010) 6047-6052.

The composition(Table1)[4]of the concrete are diverse ingredients and a variety of materials, the thermal expansion coefficient(Table2)[5]and shrinkage of a different nature.
Cracks in concrete material is inevitable, which is cement based materials congenital defects. 1.2 The category of the non longitudinal cracks in concrete structure Concrete structures during the construction and use, because the quality of materials, construction technology, environmental conditions and loads all may make the structure surface appear the visible non longitudinal cracks.
Journal of Hohai University, 1987, 15(02): 47-54.
Highway traffic science and technology, 2005, 22(04): 15-19.
Journal of Northeastern University, 2003, 24(06): 600-605.

The FEA software ABAQUS 6.9-1 is used to carry out the time history and static stability analysis, and both geometric and material nonlinearity are considered in the analyses.
Acknowledgment This work is supported by the research project (No.90715034) funded by Chinese National Natural Science Foundation.
Ang: Journal of Structural Engineering.
Shen: Journal of the International Association for Shell and Spatial Structures.
Dong: Journal of Zhejiang University(Engineering Science).

The kinds of slopes and banks protection projections are vertical types and Stepped Slope types, materials usually adopted precast concrete, planting concrete, planting grid, etc.
Acknowledgements This work was financially supported by the Natural Science Foundation of China (40861030) References [1]Vannote R L, Minshall GM, CumminsKW,et al.
The River Continuum Concept, J, Canadian Journal of Fisheries and A-quatie Sciences, 1980, p:130-137
Journal of Hydraulic Engineering, 2004.10 [6]Kai-qi CHEN .Journal of Hydraulic Engineering, 2012.2, p:183-187.