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Development of Handheld Ultrasonic Spot Welding Machines ZHU Wu1,a, Jiang Chao1, Zhu Jia-min1, Wang Yong1，Zhangjia-Min2,b 1School of Computer and Information Engineering, Shanghai University of Electric Power , Shanghai 200090,China 2School of Electric Power and Automation Engineering, Shanghai University of Electric Power , Shanghai 200090,China azhuwu@shiep.edu.cn, bzjmxinxiang@163.com Keywords: ultrasonic welding；piezoelectric transducer；frequency automatic tracking Abstract.
This transducer is sandwich piezoelectric ceramic transducer, consisting of front cover, rear cover, two piezoelectric ceramic, two electrode, insulated pipes and prestressed bolt.
The result of experiments shows that this method has high detection accuracy, high speed dynamic response and high stability of frequency tracking, with well engineering applications.
Chinese Journal of Mechanical Engineering, 2007,43(3):182-184
Journal of Harbin Institute of Technology,2001,33(2):203-205

Cartmell, Electrical Stimulation: A Novel Tool for Tissue Engineering, Tissue Engineering: Part B19 (2013) 48
Kim, Tissue engineering bioreactor systems for applying physical and electrical stimulations to cells, Journal of Biomedical Materials Research Part B103 (2015) 935-948
Vunjak-Novakovic, Engineering of functional contractile cardiac tissues cultured in a perfusion system, 30th Annual International IEEE EMBS Conference 2008 (2008) 3590
Bártolo, Computer modelling and simulation of a bioreactor for tissue engineering, International Journal of Computer Integrated Manufacturing, 27 (2013) 1-14
Ahmad, Numerical Modelling of Effective Diffusivity in Bone Tissue Engineering, World Academy of Science, Engineering and Technology International Journal of Agricultural and Biosystems Engineering 9 (2015) 84

Jenderal Sudirman Km 3, Kotabumi, Cilegon, Banten Province, 42435, Indonesia 2Department of Chemical Engineering, University of Sultan Ageng Tirtayasa, Jl.
Series: Materials Science and Engineering.
Department Mechanical Engineering.
Damaging Prediction of Difficult-to-Work Aluminum Alloys during Equal Channel Angular Pressing Journal of Materials Engineering and Performance vol 21, 3 (2012): 287-297
VANOS Journal of Mechanical Engineering Education. vol 2, 2 (2017): 117-126.

Micro ball end milling of nickel-based alloy for Laval nozzle Yukui Cai1,2,a, Zhanqiang Liu1,2,b 1School of Mechanical Engineering, Shandong University, Jinan 250061, P.
Spacecraft Engineering, 2010, (006): 13-20
International Journal of Manufacturing Research, 2008, 3(1):80-113,
Critical techniques of ultrasonic machining for micro laval-nozzles of microcrystalline-mica-ceramics[J].
Metals and Materials International, 2010, 16(3): 465-467

Analyzing those natural surfaces can improve engineering surfaces’ qualitative and quantitative design.
Our investigation employed the second approach, focusing on various engineering properties where texture is critical.
In addition, studying and replicating the photonic functions of cuticular nanostructures in insects has excellent potential for engineering applications.
In engineering and materials science, friction is a critical factor in many applications.
Pourabbas, ‘One-step chemical vapor deposition and modification of silica nanoparticles at the lowest possible temperature and superhydrophobic surface fabrication’, Chemical Engineering Journal, vol. 252, pp. 11–16, Sep. 2014, doi: 10.1016/j.cej.2014.04.100

Ceramic is one of materials that have been reported to be widely used in the reconstruction of bone defects.
Ceramics International. 39 (2013) 5495 - 5502
Arinzeh, Biphasic calcium phosphate ceramics for bone regeneration and tissue engineering applications, J.
Fukushima, Review article, The current and future therapies of bone regeneration to repair bone defects, International Journal of Dentistry 2012 (2012) 7
FTIR and XRD evaluation of carbonated hydroxyapatite powders synthesized by wet methods, Journal of Molecular Structure, 744 (2005) 657 – 661.

Adhesion of Cr/CrN Multilayers to Steel Substrates Marcin Kot1,a, Kinga Chronowska-Przywara1,b, Łukasz Major2,c, Juergen Lackner3,d 1 AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, PL-30-059 Kraków, Al.
Background Thin coatings are increasingly applied in mechanical engineering to reduce friction and wear and to improve corrosion resistance.
Tribology International 39 (2006) 99-114 [15] Sekler J., Steinmann P.A., Hintermann H.E.
Engineering Failure Analysis 2 (1995) 85-103 [19] Bull S.J.
Tribology International 30 (1997) 491-498 [20] Xie Y., Hawthorne H.M.

Glaeser 1,f 1 Department of Materials Science & Engineering, University of California & Ceramic Science Program, Lawrence Berkeley National Laboratory, Berkeley, CA 94720-1760 USA 2 Division of Materials Chemistry, Hokkaido University, Sapporo 060-8628 Japan a sung_is@berkeley.edu, b akashi@eng.hokudai.ac.jp, cjmckeown@berkeley.edu, d jsugar@berkeley.edu, ecbartlow@berkeley.edu, faglaeser@sapphire.berkeley.edu Keywords: Joining, brazing, transient liquid, dewetting, liquid films, fracture, strength, alumina Abstract.
Guided by results from the Cu/Nb/Cu system, initial results using Ni/Nb/Ni interlayers suggest that processing times more normally associated with brazing are possible.Acknowledgements Research on TLP bonding and Cu/Nb/Cu interlayers was supported by the Director, Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, of the U.S.
Petzow: ISIJ International, Vol. 30 (1990), p. 1011
Paulonis: The Welding Journal, Vol. 53 (1974), p. 203
Glaeser: The Welding Journal, Vol. 84 (2005), p.

Asif M.1,, Chandra K.2,, Misra P.S.3, 1 MMED, Indian Institute of Technology Roorkee, Roorkee, India 2 Roorkee College of Engineering , Roorkee, India 3 Metallurgical and Materials Engineering Department, Indian Institute of Technology Roorkee, Roorkee, India. 1e-mail: masifiitr@gmail.com, 2e-mail: kc111fmt@gmail.com, 3e-mail: misraprabhu1@gmail.com Keywords: Metal Matrix Composites, Brake pads, Wear, Powder Metallurgy, Forging.
Aircraft brakes comprises of metallo-ceramic friction materials which are used in the form of brake pads or disc.
[3] Urquhart A.W., Novel reinforced ceramics and metals: A review of Lanxide’s Composite technologies , Mater.
Ramakrishnan, New Age International (P) Ltd., New Delhi, (2002), pp 94-114
[13] Prasad B.K. et al., Sliding wear response of an Al-Cu alloy in the influence of SiC particle reinforcement and test parameters, Journal of Materials Science letters, 17 (1998), pp.1121-1123

Tan, A Fuzzy Programming Approach to Multi-Objective Optimization for Geopolymer Product Design, Computer Aided Chemical Engineering, 40 (2017) 1015-1020
Promentilla, Mechanical and Thermal Properties of Geopolymers from Mixtures of Coal Ash and Rice Hull Ash using Water Glass Solution as Activator, ASEAN Journal of Chemical Engineering, 15 (2) (2015), 51-61
Ramakrishnan, A novel process for making radiopaque using bauxite-red mud, Journal of European ceramic society 27 (2006) 1845-1851
Khalili, Stabilization/solidification of heavy metals in kaolin/zeolite based geopolymers, International journal of mineral processing 137 (2015) 34-42
Petrovic, Lead immobilization by geopolymers based on mechanically activated fly ash, Ceramics international 40 (2014) 8479-8488.