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Fusion Welding of Rheocast Semi-Solid Metal (SSM) Processed Aluminium Alloy 7017 Madeleine du Toit 1,a, Patronica Letsoalo 1,b and Hein Möller 2,c 1 Department of Materials Science and Metallurgical Engineering University of Pretoria, Pretoria, South Africa 2 Materials Science and Manufacturing Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa a madeleine.dutoit@up.ac.za (corresponding author), b patronica@tuks.co.za, c hmoller@csir.co.za Keywords: Aluminium; laser welding; arc welding; semi-solid metal processing Abstract: Near-net shape casting of wrought aluminium alloys has proven to be difficult due to a tendency towards hot tearing during cooling. 
Introduction Wrought aluminium AA7017 is a medium-strength weldable aluminium alloy that finds application in armoured vehicles, light weight bridges and blast barricades in mines, as well as in various automotive and general engineering applications.
Welding remains the most important joining technique in the automotive, transport and general engineering industries.
Acknowledgments The authors would like to acknowledge the CSIR and the University of Pretoria for providing laboratory facilities, the National Laser Centre for performing laser welding and the Department of Science and Technology (DST) in South Africa for providing funding under the Advanced Metals Initiative Programme.
Forum 690 (2011) 53-56

On-Site Sensing and Diagnosis Research Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 807-1 Shuku, Tosu, Saga 841-0052, Japan h-noma@aist.go.jp Keywords: AE sensor, high temperature, aluminum nitride Abstract.
M. (1999), "Extensional piezoelectric coefficients of gallium nitride and aluminum nitride", Applied Physics Letters, Vol. 75, No.26, pp.4133-413 Noma, H., Kishi, K., Ueno, N., Akiyama, M. and Takahashi, S. (2004), "High Temperature AE Sensor Using Aluminum Nitride Thin Film", The Society of Instrument and Control Engineers (SICE) 21st Sensing Forum, Tokyo, pp.51-54 Turner, R.
R. (1994), "Materials for High Temperature Acoustic and Vibration Sensors: A Review", Applied Acoustics, Vol.41, pp.299-324 Ushijima, E., Noma, H., Kishi, K., Ueno, N. and Akiyama, M. (2005), "High-Temperature Acoustic Emission Sensor Using Aluminum Nitride Thin Film", The Third U.S-Japan Symposium on Advancing Applications and Capabilities in NDE, Hawaii, pp.139-142

Ebrahimi-Kahrizsangi2, c 1 Advanced Materials and Nanotechnology Research Center, Faculty of Mechanical Engineering, K.N.
Toosi University of Technology, Tehran, Iran 2 Engineering Department, Islamic Azad University, Najafabad Branch, Iran a bahman_nasiri@hotmail.com, b shokuhfar@kntu.ac.ir, c rezaebrahimi@iaun.ac.ir submitted: 9 July 2008 revised: 8 August 2008 accepted: 18 August 2008 Keywords: Nanocrystalline, Hydroxyapatite, Crystallinity, Polymeric and metallic vials Abstract.
Salman Ebrahimi-Nejad, PhD student in Mechanical Engineering, at K.N.
Nasiri-Tabrizi: Submitted to Defect and Diffusion Forum (2008)

Mechanical Properties of Luffa Fiber Reinforced Recycled Polymer Composite Hoo Tien Nicholas Kuan1,a,*, Mohd Khairul Afiq1,b and Scollastica Jane Lumpong1,c 1Faculty of Engineering, Department of Mechanical and Manufacturing Engineering, Universiti Malaysia Sarawak, Kota Samarahan, Sarawak, Malaysia a,*khtnicholas@unimas.my; bkeyrolkhai@gmail.com; c22030212@siswa.unimas.my Keywords: Recycled polymer, Luffa, polymer composite, mechanical, impact test, natural fiber.
Rajkumar, “Mechanical Properties of Luffa Fiber and Ground nut Reinforced Epoxy Polymer Hybrid Composites,” Procedia Engineering, vol. 97, pp. 2042–2051, 2014, doi: https://doi.org/10.1016/j.proeng.2014.12.447
Obiorah, “Effect of Luffa cylindrica fiber and particulate on the mechanical properties of epoxy,” The International Journal of Advanced Manufacturing Technology, vol. 102, no. 9–12, pp. 3439–3444, Feb. 2019, doi: https://doi.org/10.1007/s00170-019-03422-w
Khan, “Tensile Properties of Ground Coffee Waste Reinforced Polyethylene Composite,” Materials Science Forum, vol. 880, pp. 73–76, Nov. 2016, doi: https://doi.org/10.4028/www.scientific.net/msf.880.73

Cerverab Energy Storage and Conversion Materials Research Laboratory, Department of Mining, Metallurgical, and Materials Engineering, University of the Philippines Diliman, Philippines apbdiamansil@up.edu.ph, brmcervera@up.edu.ph Keywords: composite electrode, 4Sc4YSZ, LSM-4Sc4YSZ, solid-state reaction, all-alkoxide sol-gel method, porosity, conductivity Abstract.
Acknowledgements This work was financially supported by the Philippine-California Advanced Research Institute – Commission on Higher Education (PCARI-CHED) Sustainable and renewable fuel and electrolysis cell energy device Technology (SureTech) research grant (IIID-2018-009), Department of Science and Technology Philippine Council for Industry, Energy, and Emerging Technology Research and Development (DOST-PCIEERD) for E-Minerals Project 2 (Recovery of Lithium, and other valuable metals from local spent Li-ion batteries: waste battery mining, repurposing, and regeneration), and in part by the DOST Engineering Research and Development for Technology (DOST-ERDT) and the Office of the Chancellor of the University of the Philippines Diliman, through the Office of the Vice Chancellor for Research and Development, for funding support through the Outright Research Grant (Proj.
Cervera in: Preparation of Porous LSM/YSZ Composite with Varying Grain Size of YSZ Precursor Using Solid State Reaction Method, Materials Science Forum 917 93-97 (2018)
Cervera in: Synthesis and Characterization of Sc and Y Co-doped Zirconia (Zr 0.84 Y 0.08 Sc 0.08 O 1.92) Electrolyte Prepared by Sol-Gel Method, International Journal of Materials Science and Engineering 6(4):99-105 (2018).

Stevenson 4, m 1 School of Electrical, Electronic and Computer Engineering, University of Newcastle, Newcastle, NE1 7RU, UK 2 Department of Physics, University of Coimbra, P-3004-516 Coimbra, Portugal 3 School of Chemical Engineering and Advanced Materials, University of Newcastle, Newcastle, NE1 7RU, UK 4 Scottish Microelectronics Centre, University of Edinburgh, Edinburgh, EH9 3JL, UK a J.M.dos-Santos@ncl.ac.uk, b zepina@ci.uc.pt, c cast@ci.uc.pt, d a.b.horsfall@ncl.ac.uk, e kai.wang@ncl.ac.uk, f n.g.wright@ncl.ac.uk, g S.M.Soare@ncl.ac.uk, h s.j.bull@ncl.ac.uk, I Anthony.oneill@ncl.ac.uk, j Jon.Terry@ee.ed.ac.uk, k Anthony.Walton@ee.ed.ac.uk, l Alan.Gundlach@ee.ed.ac.uk, m Tom.Stevenson@ee.ed.ac.uk Keywords: Integrated circuits, metallization, aluminum, residual stresses, low-angle incidence Abstract.
Acknowledgements This work was supported by the Engineering and Physical Science Research Council, U.K. under Grant GR/N32945/01.
Forum, Vols. 347-349 (2000) p. 17-22

Recently, the application of advanced technologies to AID models have been a hot issue, such as neural network, fuzzy theory, support vector machine (SVM)and decision tree learning [4,5].
Journal of Wuhan University of Technology (Transportation Science &Engineering), 2005. 29(2): 215-218.( in Chinese) [4]Hawas, Y.E.
GESTS International Transactions on Computer Science and Engineering, 2006. 30(1): p. 25-36
[14] MATLAB Chinese forum on SVM parameter c & g selected posts [matlab-libsvm]. 2009
MATHEMATICAL PROBLEMS IN ENGINEERING, 2013(524861).

The Influences of Frequency on the Fabrication and Structural Studies of Micro-Arc Oxidization Ceramic Films Formed on Pure Titanium Lin Xu1, a, Cong Wu1, b, Xiao-jing Xu1, c, Bo-quan Li1, d, Xiao-ya Niu1,e, Zhen Huang2, f and Jian-ning Ding3, g* 1School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China 2Changshu Electronic Instrument Factory, Changzhou 215500, China 3Center of Micro/ Nano Science and Technology, Jiangsu University, Zhenjiang 212013, China afgmnxl@163.com, bkdm1712240848@163.com, cXjxu67@ ujs.edu.com, dlibq@ujs.edu.cn,e593790127@qq.com,f807757333@qq.com,gdingjn@ujs.edu.com Keywords: Pure titanium, Micro-arc oxidization(MAO), Frequency, Microscopic structure, Phase composition Abstract.
BK20160544),the Science Foundation for Post-doctoral Scientists of Jiangsu Province (Grant No. 1501103B) and Research Foundation for Advanced Talents of Jiangsu University( Grant No. 15JDG179） References [1] K.P.
Qu: Rare Metal Materials and Engineering, Vol. 41 (2012) No.11, p.2058.
Fraser: Materials Science and Engineering:A, Vol. 358 (2003) No.1-2, p.343
Sandhyarani: Materials Science Forum, Vol. 765 (2013) No.7, p.688

Structural Characteristics and Mechanical Properties of Biomedical Porous Ti-10Mo Alloy Fabricated by Selective Laser Sintering Fangxia Xie1, a, Xin Lu2, b, Xinbo He2, c,*, Xuanhui Qu 1, 2, 3, d 1 School of Materials Science and Engineering, 2Advanced Material & Technology Institute，3State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China axiefangxia@yahoo.com.cn, bluxin@mater.ustb.edu.cn, cxb_he@163.com, dquxh@ustb.edu.cn Corresponding author.
Wiria, Selective laser sintering of biocompatible polymers for applications in tissue engineering, Bio-Med.
Ip, Selective laser sintering of porous tissue engineering scaffolds from poly(L-lactide) /carbonated hydroxyapatite nanocomposite microspheres, J.
Liu, Poly-ε-caprolactone/hydroxyapatite for tissue engineering scaffold fabrication by selective laser sintering, Acta Biomater. 3 (2007) 1–12
Forum. 308 (1999) 374-382

Numerical Simulation on the Temperature Field of Steel 1045 Quenched by Different Hardening Media Jianbin Xie1,a, Changchang Wu1,b, Jing Fan2,c, Miao Fu1,d and Dengfeng Hu1,e 1Department of Civil Engineering, Yunnan University, Kunming, 650091, Yunnan, P.R.China 2School of Electronic and Information Engineering, Yunnan University Nationalities, Kunming, 650031, Yunnan, P.R.China akmxiejb@sina.com, bynucc@sina.com, cfanjing9476@163.com, dynufm@sina.com, ehdf1988@sina.com Keywords: Steel 1045, Temperature Field, Quenching, Different Hardening Media Abstract.
Therefore, this technique is easy to realize in the application of engineering.
References [1] Xie Jianbin, He Tianchun, Cheng Heming: Advanced Materials Research, Vols.255-260 (2011), p.3568- 3572
[2] Lijun Hou, Heming Cheng, Jianyun Li, Ziliang Li, Baodong Shao, Jie Hou: Procedia Engineering, Vol.31 (2012), p.515- 519
[6] M.Qin: International Heat Treatment and Surface Engineering, Vol.2, No.3/4(2008), p.116- 120