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The actual yarn is composed by the number of bundles of fibers, generally it is difficult to find a universal model to describe different material and different types of yarn.
Acknowledgments This work was supported by the Fundamental Research Funds for the Central Universities (12D10309), Shanghai Natural Science Foundation (No.10ZR1401500).
Journal of Zhong Yuan Institute of Technology, Vol.21(2010), p.51-55 [2] Matsuo T, Surech M N.
Journal of Donghua University(Natural Science), Vol. 35(2009), p.710-715 [5] Chen Guangfeng, Wang Weibin, Jin Zhilei.
International Journal for Numerical Methods in Engineering, Vol. 46(1999), p.2061-2098

Study on Welding of TIG Tailor Welded Galvanized Sheets and Formability of Stretch Forming Yuntao LI1,3,a, Wenjun ZHANG1, Xu MA1,2,b Guangda Liu1, Lijun YANG4 1 School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China 2 Key Laboratory of Display Materials & Photoelectric Devices (Tianjin University of Technology), Ministry of Education, Tianjin 300384, China 3 Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin 300384, China 4 School of Materials Science & Engineering, Tianjin University, Tianjin 300072, China a Yuntao LI, E-mail:liyuntao_vip@yahoo.com.cn(Correspondence Author)； b Xu MA, E-mail: maxumax@163.com(Correspondence Author) Key words: TIG welding, tailor welded-galvanized sheets, microstructure, stretch formability Abstract.
TWB is consisted of multiple sheet materials joined with welds to produce a single variable thickness and/or alloy stamping blank.
Welding method Materials Chemical composition of Galvanized sheet with thickness of 0.7mm is shown in table 1.
Impact modeling of the weld line of tailor-welded blank [J].Materials and Design 2008(29): 232～238 [6] Sushanta Kumar Panda a, D.
Journal of Materials Processing Technology , 2007(183) :321～332 [7] Zhang Wenyue.

Recycled rubbers are widely applied in the area of industry, traffic and building industry, as materials suppressing vibrations and insulating materials.
Materials and Methods The two-component epoxy resin Eco Epoxy 1200/324 was filled.
Wang, The status of recycling of waste rubber, Materials and Design. 22(2) (2000) 123-127
Di, Mechanical property of nano-particles reinforced epoxy resin composite materials, Advanced Materials Research. 181-182 (2011) 99-102
Cecil et al., Tensile tests of phenol formaldehyde glass-powder reinforced composites: Pilot study, Journal of Applied Polymer Science. 116 (2010) 10-17

Journal of Structural Engineering, ASCE.1995, 121(7): 1069-1078
,European Conf. on Composite Materials (ECCM-8), Vol. 2, 35–42
Mixed Structures, Including New Materials; Proc., IABSE Symp., International Association for Bridge and Structural Engineering, Zurich, Switzerland, 60, 672–675
Journal of Composites for Construction, ASCE, 2003: 135-144
Journal of Structural Engineering, ASCE, 1998, 2(2): 78-86

Materials and Methods Materials.
Cai: Journal of Environmental Sciences, Vol. 28 (2009) No.5, p.88.
(In Chinese) [5] H.Zhao: Guizhou Environmental Science and Technology, Vol. 12(2006) No.3, p.9.
Sun: Journal of South-Central University For Nationalities (Natural Science Edition), Vol. 24(2005) No.4, p.15.
He: Environmental Science and Management, Vol. 31(2006) No.7, p.156.

The level set technique and possibilistic C-Means clustering were used to extract material features from micrographic images [3].
Dundar, Detection of Defects on Single-Bead Welding by Machine Learning Methods, IOP Conference Series: Materials Science and Engineering 895(1) (2020)
Elewa, Classification of Welding Defects Using Gray Level Histogram Techniques via Neural Network, Mansoura Engineering Journal. 39(4) (2014) 1-13
Dunn, A Fuzzy Relative of the ISODATA Process and its Use in Detecting Compact Well-Separated Clusters, Journal of Cybernetics 3(3) (1973) 32-57
[25] Information on https://domingomery.ing.puc.cl/material/gdxray/ [26] N.D.H.

Through spraying tests, rotating erosion-corrosion tests and numerical simulations using computational fluid dynamics (CFD), abundant research results have been obtained about the corrosion resistance and liquid-solid erosion characteristics of tubing materials.
Materials Performance, 2008, 66-9
AIChE Journal, 1955, 1(2): 264-70
Journal of Natural Gas Science and Engineering, 2016, 29:530-49
Corrosion Science, 2007, 49(12): 4308-38.

Effects of γ- ray Irradiation on Structure and Properties of ZnO: Al Thin Film Wenwen Wang1,a, Tianmin Wang 1,b 1 Center of Material Physics and Chemistry, School of Science, BeiHang University a wangww1016@163.com , bwangtm@buaa.edu.cn Keywords: ZnO:Al (ZAO) thin film; γ-ray irradiation; positron annihilation; crystallinity; vacancy defects.
ZnO:Al(ZAO) thin film is a kind of transparent conductive functional material which has a potential application in the solar cell and Atom Oxygen resisting systems of spacecrafts.
Furthermore, generally speaking, irradiation has great influence on the defects in materials.
Vol.491 (2005), p. 54 [9] Lu Yong, Lin Li-bin, He Jie and Lu Tie-cheng: Laser Journal.
[12] Chunlan Zhou, Xiaoyang Liu, Chuangxin Ma, Baoyi Wang, Zhiming Zhang and Long Wei: Journal of Applied Physics.

Introduction Lanthanides (Ln) are known as promising luminescent materials, with Ln3+ their most stable oxidation state [1].
Encyclopedia of Materials: Science and Technology (Second Edition).
Science and Technology of Advanced Materials. 2000;1:139-45
Luminescence spectroscopy of minerals and materials: Springer Verlag; 2005
Encyclopedia of Materials: Science and Technology (Second Edition).

Analysis of weld formation mechanism and weld pool dynamic during moving laser-MIG hybrid welding Gao Zhiguo Shanghai Key Laboratory of Materials Laser Processing and Modification, Shanghai, China School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China Keywords: laser-MIG hybrid welding; weld formation; fluid flow; weld pool Abstract: In order to better understand heat transfer and fluid flow pattern in the weld pool of lasermetal inert gas (MIG) hybrid welding aluminum-alloy process, weld formation mechanism and weld pool dynamic behavior were analyzed by a three-dimensional mathematical model for moving laser- MIG hybrid welding.
Especially the fluid dynamics of the molten materials influences the local temperature distribution and consequently the weld pool geometry.
Journal of Applied Physics.87 (9),4075-4083
Journal of Tsinghua University (Sci&Tech), 47(8), 1263-1266
International Journal of Heat and Mass Transfer, 46, 15- 23