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ICMIM 2018, ICMSN 2018 and ICSMM 2018 provided a real platform for researchers, engineers and academicians to further develop materials and intelligent manufacturing.
This volume presents recent advances in the field of materials science and materials processing technologies.
Statement of Peer Review All papers published in this volume of "Materials Science Forum" have been peer reviewed through processes administered by the proceedings Editors.
Pan Jisheng, Institute of Materials Research and Engineering/ National University of Singapore (NUS), Singapore Contact Chair Ms.
Tammy Luo, Hong Kong Chemical, Biological & Environmental Engineering Society (HKCBEES) Technical Committee Prof.

Mishra2,d 1Department of Chemical and Materials Engineering, University of Idaho, Moscow, ID 83844-3024, USA 2Department of Materials Science & Engineering, University of North Texas, Denton, TX 76203, USA apase5491@vandals.uidaho.edu, baniketdutt@my.unt.edu, cicharit@uidaho.edu, drajiv.mishra@unt.edu Keywords: Nickel-Chromium alloys, High energy ball milling, Spark plasma sintering, X-ray diffraction, Transmission electron microscopy Abstract.
There is a need to enhance or develop high temperature capabilities of structural materials for advanced coal‐fired power plants.
Introduction High temperature structural materials are important for advanced fossil-fuel-fired power plants.
Sinter 515S machine available at the Center for Advanced Energy Studies (CAES) located in Idaho Falls, Idaho.
Forum, 510-511 (2006) 818-821

Kanno Laboratory of Materials Design and Interface Engineering Department of Nanomechanics, Graduate School of Engineering Tohoku University, Sendai, 980-8578, Japan a watanabe@mdie.mech.tohoku.ac.jp, bturekawa@ mdie.mech.tohoku.ac.jp Keywords: Magnetic annealing, magnetic field, grain boundary microstructure, grain boundary engineering, grain growth, nanocrystalline materials, magnetic materials.
On the other hand, the importance and usefulness of the application of external fields such as magnetic, electric, ultrasonic stress fields, etc. during materials processing has been increasingly recognized for engineering of advanced materials [3].
Magnetic Annealing for Grain Boundary Engineering In the last two decades, the importance of "Grain Boundary Engineering" has been drawing an increasing interest of materials scientists, as a new approach to development of high performance structural and functional materials [12].
We have been deeply involved in basic studies of the grain boundary engineering based on magnetic annealing [1,3,4,10].
Forum, Vols.426-432,(2003), p.3819

Process and Properties on the Precision Forming of Spline Cold Rolling Zhiqi Liu1,2, a, Jianli song2,b, Yongtang Li2,c, Xudong Li 1,d Mingfu Wang2,e , 1 State Key Laboratory of Gansu Advanced Non-Ferrous Metal Materials, Lanzhou University of Science & Technology, Lanzhou 730050 ,China; 2 School of Materials Science and Engineering, Taiyuan University of Science & Technology, Taiyuan 030024,China alzq_678@yahoo.com.cn, bsongjianli06@sina.com, cliyongtang@tyust.edu.cn, dlixd@lut.cn，ewmf354@163.com, Keywords: cold rolling forming, plastic flow of metals, distribution of hardness Abstract.
Cold rolling precision forming process of spline is one of the high-efficiency, precision and non-chip forming advanced manufacturing technologies.
Cold rolling precision forming of spline is a kind of high-efficiency, precision and non-chip advanced manufacturing technology.
References [1] V.V.Klepikov, A.N.Bodrov: Russian Engineering Research.
Domblesky, Feng Feng: Wire Journal International, Vol .34 (2001),p110 [5] Wu Xiuyi: Machinery Manufacturing Engineer. 1997,000 (001),p 15, in Chinese [6] Zheng Quangang: Automobile Technology & Material. 1997,000 (007),p16, in Chinese [7] Li Yongtang, Song Jianli, Zhang Dawei, et al:Materials Science Forum, 2007, 575-578,p416 [8] LIU Zhi-qi, LI Xu-dong, LI Yong-tang: Journal Of Lanzhou University Of Technology.

Interaction between the Dislocations and Precipitates in Fe-40Ni Alloy during Stress Relaxation Xiaojuan Zhang1,a , Shaoqiang Yuan2,b 1Department of Electromechanical Engineering, Tangshan College, 063000, China 2State Key Lab of Advanced Metals Materials, Beijing, 100083, China azhangxj05@126.com, bshaoqiangyuan@163.com Keywords: relaxation, dislocation walls, strain induced precipitates Abstract: Transmission electron microscopy (TEM) was used to study the interaction between the dislocations and strain induced precipitates during relaxation process after deformation in Fe-40Ni alloy.
Acknowledgement This work is financially supported by the State Key Lab of Advanced Metals Materials of China (No.2012Z-05) and Science Fund for Distinguished Young Scholars of Hebei Province (E2012105005), China.
Reference [1] Zhenqiang, Wang,Xinping, Mao,Zhigang: Strain-induced precipitation in a Ti micro-alloyed HSLA steel Materials Science and Engineering A.Vol.529 (2011), p. 459 [2] Wang X M, He X L, Yang S W: Refining of intermediate transformation microstructure by relaxation processing.
Materials Science and Engineering A, Vol.248 (1988), P.187 [5] Y.LAN, H.J.KLAAR, W.DAHL: Evolution of Dislocation Structures and Deformation Behavior of Iron at Different Temperatures: Part Ⅱ.
Advanced Materials Research, Vol.97-101 (2010), p. 560 [9] Guoli Liang, Shaoqiang Yuan: Effect of Long Time Isothermal after Deformation on Tempering Microstructure and Nanometer Precipitation in Nb-bearing Micro-alloyed Steel.

ICBBM2021 was an international forum for information dissemination and exchange, discussions, and debates on research and practice related to innovative bio-construction materials and technologies with objectives for sustainable development.
To dynamically address these and to capitalise on real opportunities which they present for the future, University Clermont Auvergne, Queen's University Belfast and Universitat Politècnica de Catalunya have united leading building and civil engineering sector players and international experts, and other key stakeholders in a framework of this a milestone event in 2021's professional and business calendar.
The conference attracted 180 people a wide range of academics, scientists, researchers, students, designers, policymakers, and other industrialists from a wide variety of backgrounds, including fields of engineering, materials, sustainable development, architecture, and ecological technologies, biomaterials, materials sciences, environmental engineering and government agencies, end-users, etc.
The plenary keynotes and papers cover the wide spectrum of the topics related to natural fibres and materials, mechanical performances of bio-based building materials and design properties, hygroscopic and hygrothermal properties of biomaterials, acoustic and durability performance of bio-materials, sustainability of bio-based materials, agro-by products, treatment of fibres, eco-friendly binders with low CO2-emission and low embodied carbon energy, advances in research methodologies and Bio-materials testing, modeling building materials rammed earth, life-cycle assessment of materials, recycling materials, and others.

Over the last 25 years, the research and development on the mechanical behavior of CFST columns have advanced considerably in several countries [11].
Journal of Structural Engineering, 131(3) (2005) 488-497
Procedia Engineering, 14 (2011) 513-520
Journal of Structural Engineering, 129(1) (2003) 68-78
Journal of Materials in Civil Engineering, 8(4) (1996) 189-194

The main objective of the PTM Conference series is to provide a forum for presentation and discussion of state-of-the-art advances in the field of solid-solid phase transformations.
We would like to express our gratitude to all the sponsors for their strong support, especially the Materials and Processes Science and Engineering Laboratory (SIMAP), the Tranverse Programme for Advanced Materials of the CEA, the French Aerospace Lab (ONERA), the Institute of Chemistry of the National Center for Scientific Research (CNRS) the French Phase Field Network and the Laboratoire d'Etude des Microstructures (LEM).

The polishing reagent-aided and the organic base selected in advance, were mixed after being diluted with deionized water, respectively, subsequently, with different kinds of oxidants in different content added to the slurry.
Kang, J.Wang, Influence of abrasive and chemical composition on chemo-mechanical polishing of MgO single crystal substrate, Diamond & Abrasives Engineering, 2012, Vol.174, No.6 (2009) 20-23
Materials Science Forum,2004, Vols. 457-460: 805-808
Yao, et al., Study on chemical mechanical polishing parameters of 6H-SiC crystal substrate based on diamond abrasive, Advanced Material Research, Vol.797(2013) 261-265.

[2] M.Otsu, Y.Katayama, T.Muranaka, Effect of Difference of Tool Rotation Direction on Forming Limit in Friction Stir Incremental Forming, Key Engineering Materials, 622/623-1 (2014) 390-397
Nishihara, Development of Friction Stir Forming, Materials Science Forum, 426-432(2003) 2971-2978
[7] T.Ohashi, J.Chen, T.Nishihara, H.Mofidi Tabatabaei, Friction Stir Forming of Aluminum Alloy Gear-Racks, Key Engineering Materials, 725 (2016) 665-670
[8] T.Ohashi, H.Mofidi Tabatabaei, T.Ikeya, T.Nishihara, Friction Stir Forming of A5083 Aluminum Alloy Gear-Racks with WC Particles Embedded in Tooth Surface, Key Engineering Materials, 723 (2016) 148-153
[9] T.Ohashi, H.Mofidi Tabatabaei, T.Nishihara, Cylindrical Pin Embossment on A5083 Aluminum Alloy Substrate Fabricated by Friction Stir Forming, Key Engineering Materials, 730 (2017) 253-258