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Cold Model Experiments and Mechanism on Inclusion Removal by Ultrasonic Horn Shumei Kang1,a, Minggang Shen1,b, Chengwei Li1,c School of Materials and Metallurgy, University of Science and Technology LiaoNing, Anshan 114051, Liaoning, China akangshumei_911@163.com, blnassmg@163.com, clcwei99@163.com Keywords: horn; ultrasonic; cavitation bubbles; inclusion Abstract.
With the development of power ultrasonic basic theories and materials research, the application of ultrasonic in metallurgy has been attached more and more importance.
In recent years, the studies on degassing of molten steel, grain refining and preparing new materials under ultrasonic irradiation have been carried out[4-6].
Journal of Iron and Steel Research, Vol.17(2005), p.34~39.
Metallurgical and Materials Transactions B.

Introduction Sintering is a processing technique used to produce density-controlled materials and components from ceramic powders by applying thermal energy.
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It is a inappropriate material for this crude oil refining equipment
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The development of Nano materials opens up new avenues for improving the mechanical properties of aluminium with Nano-reinforced aluminium composite matrix .
These properties are advantageous because light weight material leads to savings in energy.
Increasing pouring temperatures also increase material toughness 4.
Bradbury, Jaana-Kateriina Gomon, et al 2014 Hardness of Multi Wall Carbon Nanotubes reinforced aluminium matrix composites Journal of Alloys and Compounds 585 p 362–367 [3] R.
Lanka 2010, Effect of carbon nanotube (CNT) content on the mechanical properties of CNT-reinforced aluminium composites, Composites Science and Technology 70 p 2237–2241 [5] Pardeep Sharma, Satpal Sharma and Dinesh Khanduja 2015, A study on microstructure of aluminium matrix composites, Journal of Asian Ceramic Societies 3 240–244 [6] Mansoor Muhammad and Shahid Muhammad 2016 Carbon Nanotube-Reinforced Aluminum Composite Produced By Induction Melting, School of Chemical and Materials Engineering, National University of Science and Technology, H-12, Islamabad, Pakistan ,

Fig. 2 Fem model for analysis of temperature and residual stress The materials test and metallurgical analysis of Q235B H-beam have also been done.
The material constants used in the model were defined as the functions of temperature [10], which were input into the table of material through MSC.MARC.
Beijing: University of Science and Technology Beijing(2007 ) [4] Qiao Liu, Yong Zang and Qin qin: Metallurgical Equipment, 1(2008), p.17.
[5] Xudong Xu, Bingxin Wang and Xianghua Liu: Journal of Iron and Steel Research.
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ACKNOWLEDGEMENT A special thanks to Universiti Malaysia Perlis and School of Materials Engineering for providing research facilities and technical assistance for their help and cooperation in research work.
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Introduction The vibrating screen is a general equipment used to clean , grade and purify the materials,  the principle of which is vibration being applied to screen and grade materials.
The materials moved in straight  line and were thrown under two excitation forces from the vibration motors ,then were screened and graded .
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At present, the most common method to treat acid mine drainage from coal waste piles is chemical precipitation by addition of alkaline materials, such as lime, limestone, caustic soda, etc.
Materials and methods The SRB species was isolated and cultivated from the landscape river sediment in Unviersity of Jinan, Shandong province.
[5] I.S.Chang, P.K.Shin, B.H.Kim, Biological treatment of acid mine drainage under sulphate-reducing conditions with solid waste materials as substrate.
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