Search results

We present the 56th volume of the "International Journal of Engineering Research in Africa" to our readers.
The collection contains the articles reflecting the research results in the fields of structural steel and alloys, development of composites, applied mechanics and mechanical engineering, experimental investigations of cement and concrete properties, assessment of the seismic resistance of structures, reliable preventive maintenance scheduling in power systems, cloud computing technology in Cloud of Things, evaluation of sustainable transportation system.
The articles will be helpful for many engineers, academic teachers, and students majoring in the mentioned branches of engineering science.
Steel, Alloy, Mechanical Properties, Composite, Polymer, Drilling Fluid, Building Materials, Ceramics, Wood, Black Cotton Soil, Concrete, limestone, Cement, Prototyping, Response Surface Methodology, Dryer, Seismic Resistance, Battery, Equivalent Circuit, Generation System, Maintenance Scheduling, Binary Crow Search Algorithm, Internet of Things, Cloud Computing, Cloud of Things, Transportation System, Sustainability, Planning

Because the atomic bonding of engineering ceramics are covalent, ionic bonds or their mixed bond, Characteristics of Engineering ceramic materials are different from metal material.
Shear stress of engineering ceramic materials are generally very high and tensile stress of engineering ceramic materials are generally very low.
Engineering ceramics is a poor conductor of electricity.
International Journal of Machine Tools and Manufacture. 2002，42(12):1297一1306
Chinese Journal of Mechanical Engineering. 2002, 15:73一78.

Grinding Technology for Engineering Ceramics—A Review J.X.
Electrolytic In-process Dressing (ELID) Grinding of Engineering Ceramics In grinding of engineering ceramics, high material remove rate is necessary for high efficiency.
Ritter: Journal of Engineering for Industry 111(2)(1989) 167–174 [5] I.D.
Xiong: Chinese Journal of Mechanical Engineering. 43(1) (2007) 176–184 [24] G.
Scattergood: Journal of Engineering for Industry. 113(2)(1991) 184–189 [31] Z.W.

Research on Residual Stress of Engineering Ceramic Grinding Surface Weixiang Liu 1,a 1 Hunan Institute Of Science And Technology, Yueyang ,Hunan, China alwxzzj@126.com Keywords: Engineering ceramics, Grinding, Surface residual stress, Cracks, Elastic-plastic deformation.
Grinding Surface Residual Stress Effects on Engineering Ceramics Parts The most important impact of surface residual stress on the parts is the breaking strength.
International Journal of Machine Tools & Manufacture, May2012, Vol. 56
Journal of the European Ceramic Society, Sep2009, Vol. 29 [4] Xinli Tian, Junfei Yang, Chao Liu, etal.Study of engineering ceramic machining with a new design of ripple controlled microdetonation of electrode arc striking.
International Journal of Advanced Manufacturing Technology.

This volume of the journal collected papers represented at the 9th International Conference on Material Science and Engineering Technology (ICMSET 2020), the 9th International Conference on Nanostructures, Nanomaterials and Nanoengineering (ICNNN 2020), and the 5th International Conference on Materials Technology and Applications (ICMTA 2020), 9-11 October 2020, Kyoto, Japan.
The papers provide the readers with an overview of many recent advances in the fields related to materials science and engineering technology, including modeling, analysis, computation, and optimization procedures, as well as experimental methods of the research.
Metal Oxide, Semiconductors, Thin Film, Graphene, Ceramics, Electrolytes, Nanotubes, Modelling, Mechanical Properties, Alloy, Metallic Compound, Superalloy, Polymers, Composites, Recycling, Environmental Engineering, Biotechnology, Building Materials

Modeling of Engineering Ceramics Grinding Surface Residual Stress Weixiang Liu 1,a 1 Hunan Institute Of Science And Technology, Yueyang ,Hunan, China alwxhnyy@126.com Keywords: Engineering ceramics, Surface residual stress, Grinding, Modeling.
As especial hard and brittle Engineering material, fracture strength and toughness of ceramic parts is abnormally sensitive to the surface stress state, residual compressive stress will improve its fracture toughness, residual tensile stress is just the opposite.
References [1] Xinli Tian, Junfei Yang, Chao Liu, etal.Study of engineering ceramic machining with a new design of ripple controlled microdetonation of electrode arc striking.
International Journal of Advanced Manufacturing Technology.
International Journal of Machine Tools & Manufacture, May2012, Vol. 56.

Modeling Study of Engineering Ceramics WEDM Based on Fuzzy Logic Li Xue1a Wang He2b Shao Qiu-ping1c 1.
Nanjing institute of technology ,mechanical engineering institute ,nanjing， china ； 2.
Henan institute of technology, mechanical engineering institute, zhengzhou, china alxlx9721@njit.edu.cn, bwanghe06@yahoo.cn, c sqiuping@163.com Keywords: Engineering ceramics, fuzzy logic, WEDM, processing optimization Abstract: relevance between technological parameter and processing effects in WEDM is extremely complex.
Thermodynamic Characteristics of Machining Insulating Engineering Ceramics with Electrical Discharge Channe [J].
[4] B.Lauwers,Liu W,Kruth J P,et al.Wire EDM machining of Si3N4,ZrO2 and Al2O3 based ceramics[J].International journal of electrical machining,2005（10）:33-37

Key engineering Materials
Precision Engineering 38, 92– 99
Engineering Failure Analysis 9, 93–97
Journal of Mechanical Engineering, vol. 59, no. 3, 156–164
Journal of Mechanical Engineering and Sciences. 11. 3015-3026. 10.15282/jmes.11.4.2017.5.0271

Study on Ultrasonic Grinding Method and Mechanism of the Engineering Ceramic Material Huali Su1,a , Jun Liu 2 and Quanfang Gai 3,b 1 Department of Mechanical Engineering, Anyang Institute of Technology, Anyang, Henan, China 2 Shenyang Lofty Company, Liaoning, China 3 Ludong University, Yantai, Shandong, China a 55shl@163.com, bgaiquanfang@sohu.com Keywords: Ultrasonic rotary grinding, Engineering ceramics, Tool design, CNC machine tools Abstract.
On the basis of the theory processing engineering Ceramics, this paper designed the rotary ultrasonic grinding tools and analyzed the material removal mechanism by using rotary ultrasonic grinding NC engineering ceramics processing technology; and carried on a preliminary study to the rotary ultrasonic grinding processing mechanism.
Being free from the electricity and chemistry performance of material, ultrasonic machining has special significance to the brittle and nonconducting engineering ceramics material.
Lin: Diamond & Abrasives Engineering, Vol. 4 (2001), pp.45-47.
Huang: International Journal of Machine Tools and Manufacture, Vol. 43 (2003) No.8, pp.811-823.

Study on Acoustic Emission Signatures during the Process of Edge Chipping for Engineering Ceramics X.J.
The developments of edge chipping for engineering ceramics are analyzed.
Introduction The machining way for engineering ceramics is mostly grinding by diamond wheel for its high hardness.
This indicates that the performances of engineering ceramics keep homogeneous well.
Gant: International Journal of Refractory Metals & Hard Materials, Vol. 19, (2001), p. 293 [5] F.Petit, V.Vandeneedea, F.Cambier: Journal of the European Ceramic Society Vol. 29, (2009), p. 2135 [6] T.