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Analyses of Influencing Factors of Pore Formation during Resistance Spot Welding of Magnesium Alloy Yimin Tu1, 2, a, Ranfeng Qiu1, 2, b, Hongxin Shi1, c, Hua Yu1, d and Keke Zhang1, e 1School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471003, China 2 Henan Key Laboratory of Advanced Non-ferrous Metals, Henan University of Science and Technology, Luoyang 471003, China a yimin@mail.haust.edu.cn, b xdqrf@yahoo.com.cn, c hyhx66@163.com, d kedayuhua@126.com, e zhkeke@mail.haust.edu.cn Keywords: Resistance spot welding, Magneisum alloy, Pore, Mechanism Abstract.
[4] Ranfeng Qiu, Hongxin Shi, Hua Yu, Keke Zhang, Yimin Tu and Shinobu Satonaka: Materials and Manufacturing Processes 25-11(2010), p. 1304-1308
Wesley: Welding Journal 54-3(1975), 95s-98s
Wu: Welding Journal 56-8 (1977), p. 238s-244s
Hu: Welding Journal 83-4 (2004), p. 123s-132s.

Preparation of Nano Ti3SiC2/MoSi2 Composite by SPS Process ZHANG Jun-cai1,2,a, JIA Cheng-chang1,b 1School of Materials Science and Engineering, Beijing University of Science and Technology, Beijing 100083, China; 2College of Materials Science and Engineering, Institute of Science and Technology Heilongjiang, Harbin 150027, China aemail:zhangjuncai1212@163.com; bemail:jiachc@126.com Keywords: Ti3SiC2; MoSi2; composite materials; interface Abstract.
HfB2, SiC, ZrO2, and Si3N4 attract wide focus as good second-phase materials [1-7], which improves the property of MoSi2 materials in some extent, but still with more or less problems.
Table 1 listed the main mechanical properties of main reinforced materials and MoSi2, Ti3SiC2.
Materials Chemistry and Physics, 2009, (113): 626–633
Materials Science and Engineering A 2008, (479): 23–30

School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China 2.
It was used for reactive salic cementitious materials.
Acknowledgements The authors gratefully acknowledge the project supported by the National Major Fundamental Research Program of China (Grant No. 2009CB23201) and the facilities provided by the school of materials science and engineering at Wuhan University of Technology, Hubei, China.
[3]NanruYang: Journal of The Chinese Ceramic Society, 24(4)(1999):209–215.
(in Chinese) [5]Davidovits J: Journal of Thermal Analysis,35(2)(1989):429-41

Materials and Methods 2.1.
Hooke’s law, stress definition) and the elastic moduli of the different materials.
Shimizu, Photocurable Resin Composites with Silica Micro- and Nano-Fillers for 3D Printing of Dental Restorative Materials, Journal of Composites Science 2025, Vol. 9, 9 (2025). https://doi.org/10.3390/JCS9080405
Minakuchi, Effect of Different Filler Contents and Printing Directions on the Mechanical Properties for Photopolymer Resins, International Journal of Molecular Sciences 2022, Vol. 23, 23 (2022). https://doi.org/10.3390/IJMS23042296
Cruz, P.S. de O Patricio, Â.R. de Oliveira, Properties evaluation of polyester composites with fillers for electrical sector applications, Journal of Materials Science: Composites 2025 6:1 6 (2025) 1–12. https://doi.org/10.1186/S42252-025-00068-8.

Study on Static Deformation Characteristics of Mental Rubber Material Dong wei LIa , Zhong bo HEb, Guo quan REN c, Lei ZHANGd Department 1 st of Mechanical Engineering College, Shijiazhuang, 050003, China a12ldw@163.com, bHEzb@163.com, c 1RENgq@163.com, d1ZHANGl@163.com Keywords: elastic porous wire-mesh material, static deformation, mechanical test Abstract：：：：Mental rubber material is a new kind of high elastic and large damping material.
Fig 1 Mental rubber materials Fig 2 MTS810 material test system Constant-Velocity Stretch Experiment and Analysis Constant-velocity stretch test apparatus is MTS810 machine as the Fig 2.
The vary rule can be explained in the variety of the material's microscopic conformation.
Acknowledgements These studies are supported by the National Nature Science Found, whose number is 50775220.
Journal of Aeronautical Materials Vol.28 -2(2008), p.75 (In Chinese) [3] Kezhi Huang.

A review of some of the various fatigue models introduced over the years for both metallic materials, in particular aluminium alloys followed by fatigue and durability concerns associated with composite materials.
Among the most commonly used materials laid Aluminium.
Hence the fatigue damage evolution is non-linear in composite materials.
Repair of Composite Materials.
Reissner, “The Stresses in Cemented Joints,” Journal of Applied Mechanics , vol. 11, pp.

Non-precious metal catalytic materials for auto-thermal reforming Andrew Hsu 1a, Hui He1b, and Lihong Huang2c 1 Department of Mechanical and Materials Engineering, Wright State University, Dayton, OH 45435, United States 2 Department of Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China aandrew.hsu@wright.edu, bhui.he@wright.edu, chuanglihong06@cdut.cn; Keywords: Catalytic materials; Auto-thermal reforming of ethanol; Hydrogen production; Non-precious metal catalyst Abstract.
The materials studied include Ni and Co based compounds.
Mirodatos, Journal of Power Sources 145 (2005) (2), p. 659
Hsu, Materials Research Bulletin 45 (2010) (1), p. 92
Portugal, Materials Science and Engineering: A 465 (2007) (1-2), p. 199

Introduction: Functionally Graded Materials (FGMs) are an emerging class of materials with great scope for engineering via tailoring of properties.
The concept of FGM was first proposed in the 1980s for heat-resistant applications as an alternative to traditional composite materials made up of two dissimilar materials. [1,2].
FGMs are advanced composite materials with the ability to tailor material for a specific application [1].
In multi-material depositions, inadequate compatibility between the depositing materials also leads to cracks and mechanical property degradation.
Pietrzak, Metal-ceramic functionally graded materials - Manufacturing, characterization, application, Bulletin of the Polish Academy of Sciences: Technical Sciences. 64 (2016) 151–160. https://doi.org/10.1515/bpasts-2016-0017

Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications Porosity-Grading Porous Materials by Centrifugal Sintering Y.
Uchimura 2 1 National Institute of Advanced Industrial Technology and Science, Moriyama, Nagoya 463-8560, Japan, y.kinemuchi@aist.go.jp 2 Shinto V-Cerax, ltd., Honohara, Toyokawa 442-8506, Japan Keywords: Porous Materials, Centrifugal Force, Grading Material, Sintering Abstract.
The acceleration was generated by high-speed rotation of ceramics, which allows pressing materials gradually along the radius of rotation.
Among those technologies, it is widely accepted that specifically designed microstructures, on both the micro- and macro-scale, with designated pore diameter, porosity and specific surface area are the key to improving these materials' performance.
Under the centrifugal force, materials are subjected to pressure which gradually changes along the radial direction of rotation.

There are presented aspects regarding the welding of ferrous metal materials (DD13), couples of non-ferrous metallic materials (Al Cu range) and steels with aluminum.
For welding tools, the optimal materials, sizes and geometries are adapted for each couple of materials to be welded and for each developed FSW welding technology.
Hirsch – Automotive Trends in Aluminium – The European Perspective, Materials Froum Vol. 28, Institute of Materials Engineering Australasia Ltd, 2004 [2] T.
Ionescu – „Innovative solutions for ultrasonic joining“, Welding and Material Testing Journal, Year XXVI, No. 1, pp. 3-5, 2017, ISSN 1453-0392, 2017
Ciucă – Application of Thermography in Materials Science and Engineering, Chapter in the book: Raghu Prakash “Infrared Thermography”, pp.27-52, available at http://www.intechopen.com/books/infrared-thermography, ISBN: 978-953-51-0242-7, Publisher InTech, March, 2012