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This study will provide light on the procedures and real-world uses of ultrasonic welding and make predictions regarding its potential uses in industry and materials science in the future.
Welding Journal”, (2006), pp. 54
Troughton, S., “Joining of Dissimilar Materials: Principles and Applications,” în Journal of Welding and Joining, (2016), pp. 359-365 [5] Huang, M., & Li, Y.
Materials Science and Engineering”, 512, (2019), pp. 181-193
Journal of Thermoplastic Composite Materials”, (2018), pp. 606-621

Materials and Methods 3D Printing Materials Selection.
Currently, several materials can be used for additive manufacturing.
Magdaluyo, “Material selection and design of external fixator clamp for metacarpal fractures,” Materials Today: Proceedings, vol. 33, pp. 1974–1978, 2020, doi: 10.1016/j.matpr.2020.06.129
Lawton, “Comparison of 2-Dimensional and 3-Dimensional Metacarpal Fracture Plating Constructs Under Cyclic Loading,” The Journal of Hand Surgery, vol. 42, no. 3, pp. e159–e165, Mar. 2017, doi: 10.1016/j.jhsa.2017.01.003
Boston, “Evaluation of a tapered-sleeve transcortical pin to reduce stress at the bone-pin interface in metacarpal bones obtained from horses,” American Journal of Veterinary Research, vol. 62, no. 6, pp. 955–960, Jun. 2001, doi: 10.2460/ajvr.2001.62.955.

Most of the materials are still needed by the experimental method, the test data is analyzed to obtain the thermal conductivity of the materials.
The test time is short, can cover a variety of materials, but the experimental formula is complex.
With the development of science and technology, more and more successive test method will appear.
[3] Cuina Sun: Chinese Journal of Energetic Materials.
[4] Rongzu Hu: Journal of Applied Sciences.

Nowadays, a large number of new bio-based materials have not only been widely found in construction but also in automotive sectors [13].
Nevertheless, characteristics of such materials depend on their local resources.
Maulana, “Study of heat transfer characteristics on sharp turn channels for solar collectors”, Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 45, no. 1, 2018, pp. 82-91
Ayrilmis, “Effect of panel density on dimensional stability of medium and high density fiberboards”, Journal of Materials Science, vol. 42, no. 20, 2007, pp. 8551-8557
Mendes, “The effect of post-heat treatment in MDF panels”, Materials Research, vol. 20, no. 1, 2017, pp. 183-190

The Reaction Mechanism between Aluminum-Magnesia-Spinel Composite Material and RH slag Guodong Ma1,a,Yong Li1,b,Yuan Gao1,c, Shanshan Hong1,d,Yaqin Liu1,e, Wenbin Xia2,f, Zhiming Qian3,g, Jingheng Huang3,g 1Department of Materials, University of Science and Technology Beijing,Beijing 100083, China 2Beijing Tongda Refractory Technologies Co.
Ltd, Beijing 100085, China 3Yixing City Nuoming High Temperature Refractory Materials CO. 
The raw materials used in the experiment as follows: high pure magnesia, spinel, aluminum, sodium hexametahposphate as the binder.
Table 1 shows the chemical compositions of raw materials.
Nexhip: METALLURGICAL AND MATERIALS TRANSACTIONS B，Volume 42, Number 3, 451-459.

A Material Removal Modeling of Chemical Mechanical Polishing Based on Micro-contact Mechanism Shiwen Dua , Yongtang Lib，Jianjun Song, Huiping Qi School of Material Science & Engineering, Taiyuan University of Science and Technology Taiyuan,030024,China atykddsw@126.com, bliyongtang@tyust.edu.cn Keywords: chemical mechanical polishing; material removal rate; planarization; hyper-elastic Abstract.The model proposed integrates process parameters including pressure and velocity and other important input parameters including the wafer hardness, pad roughness, abrasive size, and abrasive geometry into the formulation to predict the material removal rate.
Material removal rate of single abrasive particle is calculated by the abrasive wear theory.
The schematic of a particle removal material model is shown in Fig.3.
Acknowledgments: This work was supported by Major State Basic Research Development Program(973 program)(No.2009CB724200) and The Tribology Science Fund of State Key Laboratory of Tribology(SKLTKF09B08), ShanXi Province Science Foundation for Youths(No2010021023-4) and The Innovation Funds of Graduate ShanXi Province(No.20093097) .
Soc Vol.146 (1999) ,p.1523 [5] J.J.Vlassak: Journal of the Mechanics and Physics of Solids Vol.52 (2004) ,p.847 [6] Elon J.Terrell.

Materials and Methods Wastewater Sample and the Seeding Sludge.
The data showed that the larger size (4.750 - 2.360 mm) of carrier material gave better TP removal performance as compared to the other sizes of carrier materials.
Fig. 1(d) also shows the removal performance of TN increased with time for three different sizes of carrier materials.
Most importantly, the study demonstrated the result of different removal performances by using different sizes of carrier materials.
Mohammed, Decolorisation of biologically treated palm oil mill effluent (pome) using adsorption technique, International Refereed Journal of Engineering and Science. 2 (2013) 1-11

Table 2 shows the analysis results for all impact forces and materials.
Chawla, Mechanical Behavior of Materials.
Smith, The Science of Engineering Materials, 3rd ed., Prentice-Hall Inc, New Jersey, 1986
Pagnotta, Determining the elastic constants of isotropic materials by modal vibration testing of rectangular thin plates, Journal of Sound and Vibration. 293 (2006) 426-439
Science and Engineering A. 368 (2004) 56-70

Influence principle of ultrasonic vibration on the rheological behavior of materials Xinhe LI 1, a, Zhe WANG 1,b and Xiahui HE 1,c 1State Key Laboratory of High Performance and Complex Manufacturing, Central South University, Changsha, Hunan, China, 410083 a li_xinhe@163.com, bwzh8664@163.com, chxh.33@163.com Keywords: Ultrasound; Extrusion; Material rheological behavior; Mechanism Abstract.
From the experimental results, ultrasound can decrease the load effect on the mental material generally, other than on one material.
Materials Processing Technology, 1992, 34(1-4):62-68 [9] Yonggang MENG, Xinzhong LIU, Jun CHEN.
Journal of Tsinghua University (Natural Science Edition), 1999, 38 (4):28-32 [10] Xisen WEN.
Photonic and Phononic Crystal Theory .Science and Technology Press, 2006

Introduction The extensive research on optical glass materials had been done to produce the high optical ability in glass materials for optoelectronics applications.
Zinc oxide: Outstanding materials to reduce the melting temperature and may act as former glass The introduction of rare earth oxides as dopants in glass materials had been widely investigated.
Erbium oxide are the well-known dopant which had been used in many glass materials.
The optical absorption study in glass materials is crucial to relate with the theory of electronic structure of amorphous materials.
Halimah, W.M.Daud, Synthesis and Optical Properties of ZnO-TeO2 Glass System, Journal of Applied Science 6(8) (2009) 1489-1494