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Preface On behalf of the Organizing Committee, we are delighted to issue the journal which contains papers presented at the first International Conference on Material, Machines and Methods for Sustainable Development (MMMS) from 18-19 May, 2018 in Danang, Vietnam.
The purpose of the journal is to explore and ensure an understanding of the critical aspects which contributed to sustainable development, especially materials, machines and methods.
From such understanding, the conference aims at an overall approach to assist policy makers, industries and researchers at various levels to position the local technological development towards sustainable development in the global context, to assist decision making towards a greener approach especially for material, machines and methods.
We also thank the Trans Tech Publications Inc. for the publishing the selected papers in the journal of Applied Mechanics and Materials.
, Korea University, Korea Le Anh Tuan, Hanoi University of Science and Technology, Vietnam Le Chi Hiep, Ho Chi Minh City University of Technology, Vietnam Le Danh Lien, Hanoi University of Science and Technology, Vietnam Le Quang, Hanoi University of Science and Technology, Vietnam Nobuhiko Azuma, Nagaoka University of Technology, Japan Nobumasa Sekishita, Toyohashi University of Technology, Japan Nghiem Trung Dung, Hanoi University of Science and Technology, Vietnam Nguyen Dang Binh, Viet Bac University, Vietnam Nguyen Hong Lanh, Military Technical Institute, Vietnam Nguyen The Mich, Hanoi University of Science and Technology, Vietnam Nguyen Thi Thu Hien, Hanoi University of Science and Technology, Vietnam Nguyen Viet Dung, Hanoi University of Science and Technology, Vietnam Pham Minh Tuan, Hanoi University of Science and Technology, Vietnam Pham Thanh Huy, Hanoi University of Science and Technology, Vietnam Pham Van Hung, Hanoi University of Science and Technology

The model can take the loading history and temperature into account, so the predicted results are more reasonably in reflecting the rheological deformation of rock materials.
Modeling of creep in rock materials in terms of material degradation[J].
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 2000, 37(3): 467－475
International Journal of Rock Mechanics and Mining Sciences, 1999, 36(1): 127－138
Chinese Journal of Geotechnical Engineering, 2006, 28(8): 962－969

In this paper, using UG software, change the traditional titanium implants into a new implant by the different thickness of the titanium layer wrapped in a variety of materials, and using ansys workbench changes thickness and Young's modulus of the core material, analysis of various the case of force and deformation of the implant, looking for a good biomechanics is both compatible with good mechanical properties and implant materials.
In this paper, a titanium layer thickness and Young's modulus of the core material of two variables, using the analysis method to change the value of the control variable of these two parameters, with the analysis of ansys workbench, implant under various conditions of stress and deformation to find a good biomechanics is both compatible with good mechanical properties and implant materials.
Materials and methods Build three-dimensional model of implant.
The outcomes and discussions Given in this paper, the experiment scheme is more, only give two experimental scheme, the stress and deformation of the cloud see this section for the rest of the experimental results of analysis When planting in core materials elastic modulus of 130GPa, Poisson's ratio is 0.3, titanium layer thickness of 0.8 mm when the stress and deformation of the please as shown in Fig. 4. .
Chinese Journal of Oral planting, 2005,10 (1) :9-25 [3] Tada S,Steganiu R.Influnce of implant design and bone quality on stress distribution in bone around implants:a 3-dimensional finite element analysis.Int J Oral Maxxillofac Implants,2003,18:357~368 [4] Himmlova L, Dostalova T, Kacovsky A, et al.

Advanced Materials Research.
Journal of Northeastern university(Natural Science), 2004 25(1)
Science& Technology Progress and Policy, 2009 26(21)
Journal of Audit& Economics, 2009 24(2)
Design of a Modular Robot Platform[J].Journal of South China University of Technology(Natural Science Edition),2011 49(4)

Study on degradation of traditional Chinese Medicine wastewater with Cu/Cu2O composite photocatalyst Chunhua YUAN College of Chemistry and Chemical Engineering, Inner Mongolia University of Science & Technology, Baotou 014010 china email: yuanchunhua79@126.com Keywords: Cu/Cu2O; photocatalyst; composite material; catalytic performance Abstracts.
In this paper, N,N-two DMF and ethanol mixed solution as solvent, copper nitrate as raw materials, we assemble and synthetize Cu/Cu2O composite materials[3], and use it to degrade Chinese traditional wastewater under visible light[4].
Characterization of Cu/Cu2O materials The samples were characterized by suing XRD phase analysis with D/Max-3c X-ray powder diffraction.
Acknowledgments It is a project supported by the Creative Foundation of Inner Mongolia University of Science & Technology (No. 2010NC025), and the Science and Technology Bureau of Baotou (No. 2010Z1002 ) Fig.1.
Journal of Solid State Chemistry 212(2014):1–6

Scattering of SH -Wave by an Interface Cylindrical Elastic Inclusion with A Semicircular Debonded above Subsurface Cavity Chunxiang Zhao 1, 2, a , Hui Qi 1, b, Jingfu Nan2,c 1College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China 2 College of Science, Heilongjiang Institute of Science and Technology, Harbin 150027, China a zhaocx2005@sohu.com, bqihui205@sina.com, c nanjingfu888@163.com Keywords: Scattering of SH-wave; Subsurface circular cavity; Semicircular debonded; Cylindrical elastic inclusion; Dynamic stress concentration factor (DSCF) Abstract.
Chen: International Journal of Solids and Structures47 (2010), p.1118-1129 [3] D.K.
Liu: Chinese Journal of Theoretical and Applied Mechanics30 (1998), p.597-604(In Chinese) [4] D.K.
Wang: Chinese Journal of Theoretical and Applied Mechanics 2(2006), p.209-218(In Chinese) [5] Z.L.
Liu: Journal of Earthquake Engineering and Engineering Vibration4 (2008), p.1-5(In Chinese) [6] J.X.

These characteristics make WAAM a highly promising technology for the production of large, high-performance metallic components, particularly when using strategically valuable and costly materials.
Materials and Methods Experiments were carried out using the WAAM system shown in Fig. 1, which consists of a Fronius TransPuls Synergic CMT power source, a Delta robot integrated with the welding torch, a wire feeding system, and a gas shielding system.
Das, “Investigating the Effects of Deposition Strategies on the Performance of Inconel 625 in Wire Arc Additive Manufacturing,” Journal of Materials Engineering and Performance 2024 34:16, vol. 34, no. 16, pp. 18227–18242, Dec. 2024, doi: 10.1007/S11665-024-10482-X
Joseph, “‘Advances in wire-arc additive manufacturing of nickel-based superalloys: Heat sources, DfAM principles, material evaluation, process parameters, defect management, corrosion evaluation and post-processing techniques,’” International Journal of Lightweight Materials and Manufacture, vol. 7, no. 6, pp. 882–913, Nov. 2024, doi: 10.1016/J.IJLMM.2024.05.009
Zhao et al., “Influence of deposition path strategy on residual stress and deformation in weaving wire-arc additive manufacturing of disc parts,” Journal of Materials Research and Technology, vol. 30, pp. 2242–2256, May 2024, doi: 10.1016/J.JMRT.2024.03.226

The best possibility for developing such a material is combining it with composite materials for dental fillings.
Examinations of fluorine release were performed for A,B,C,D materials.
The fluoride release increases strongly after cyclic loading process of the analyzed materials. 4.
Sirbu: Fluoride release from dental resin composites (Materials Science Engineering, 25, 2005), p.231-236
Acknowledgements This work was supported by the Polish Ministry of Sciences as a research project, Poland.

School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China;Key Lab. for New Type of Functional Materials in Hebei Province, Hebei University of Technology, Tianjin, China; 2.Tianjin GongDa Galvanizing Equipment Co.
The limitation on size of such heaters is caused by the materials performances of existing immersion heater materials.
For laminated composite materials the two layers must have good connectivity.
Interaction of liquid zinc with non-metallic coatings on steel Materials Science Forum, 251(1997)693-700 [4] W.
Journal of Materials Science Letters.10(1991)339-340 [7] J.Q.Li, Y.Narita, Analysis and optimal design for supersonic composite laminated plate, Composite Structures.101(2013)35-46 [8] R.N.Ma, A.Du, J.JWu, Corrosive Wear Behavior of Several Materials Coupled with Si3N4 in the Molten Zinc, Applied Mechanics and Materials. 34-35(2010) 1804-1809

Introduction Magnetohydrodynamic is relevant to many engineering applications like high-temperature plasmas, biomedical, power industry, and transportation of biological materials.
Ismail, MHD boundary layer flow and heat transfer of nanofluids over a nonlinear stretching sheet: A numerical study, Journal of Magnetism and Magnetic Materials 374, (2015) 569-576
Makinde, MHD nanofluid bioconvection due to gyrotactic microorganisms over a convectively heat stretching sheet, International Journal of Thermal Sciences 81, (2014) 118-124
Rashidi, Magnetic field effect on unsteady nanofluid flow and heat transfer using Buongiorno model ,Journal of Magnetism and Magnetic Materials 416, (2016) 164-173
Mandal, Thermal radiation and MHD effects on boundary layer flow of micropolar nanofluid past a stretching sheet with non-uniform heat source/sink, International Journal of Mechanical Sciences 126, (2017) 308-318