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Introduction The need for joints between dissimilar materials often arises in automotive industries, because sound joints between dissimilar materials enable multi-material design methodologies and low cost fabrication process to be employed.
From the view of material supply, aluminum alloys and steels are the most important construction materials for automotive structures.
Experimental materials and procedures In this study, 3.0 mm thick commercially aluminum alloy 5A02 (5A02) sheet and stainless steel SUS304 (SUS304) sheet were used as base materials.
Table 1 Chemical composition of materials (mass %) 5A02 Mg Fe Cr Si Mn Cu Zn Al 2.2 0.27 0.19 0.09 0.049 0.027 0.005 Bal.
Weld Journal. 2007, 86(5):119-124

Acknowledgments This research work was partially supported by materials science research center, Faculty of Science, Chiang Mai University.
Materials Chemistry and Physics 212 (2018) 131-137
Materials Chemistry and Physics 212 (2018) 131-137
Journal of Power Sources 175 (2009) 657-897
Materials Chemistry and Physics 211 (2017) 13-17

Experiment Experiment material.
XIE, Journal of Materials Science and Technology 4(2000)449
Hu and J .Z.Li, et al: Journal of central south university(Science and Technology) 42(2011)1947-1952
L.Wang, Materials Science and Engineering A 1(2004)92-97
Wang and S .Q.Pang ,Journal of Functional Materials 43(2012)692-695

BPA was a chemical raw materials using in milk bottle and some food packaging materials[3].Many countries including China have declared restrictions and regulations for BPA.
Materials and Methods Instruments and Reagents.
Shintaro: Highly Sensitive Assay of Bisphenol A Eluted from Dental Materials Assay Using Chemiluminescent Enzyme Immunoassay, J.
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The materials of the soft ground are the granular soils which are different from the solid materials for the bridges, tunnels, DAMS.
Transportation Science & Technology Vol. 3(2009), p. 91-94, in Chinese
[12] Haoyu JING, Yu ZHANG, Qi CHEN, et al: Journal of Changchun University of Science and Technology(Natural Science Edition)Vol. 2(2009), p. 227-229, in Chinese
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This technique is called as Friction Stir Welding (FSW), to join materials in solid state [2].
Investigations have been done on AA7039 materials to study the effects of threaded tool geometry on the material tensile strength, percentage elongation and cross sectional area.
This also can be considered as materials waste.
Journal of the Minerals, Metals & Materials Society and ASM International, Vol. 39A. (2008).DOI: 10.1007/s11661-007-9459-0
Journal of Procedia Material Science, 5 (2014).824- 831

The material was used as electrode for photoelectrocatalytic degradation of hexachlorobenzen under irradiation of simulated sunlight.
Zhang, Z.Zheng and J.F.Luan: Journal of Hazardous Materials 2007 (142):431–436
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Zainal, C.Y.Lee and M.Z.Hussein: Journal of Photochemistry and Photobiology A: Chemistry, 2005, 172(3): 316-321.

Investigation on Oxidation Resistance of the Flint Clay-Andalusite-Silicon Carbide Composite Huanying Yang1,a, Yong li1,b, Wenbin Xia2,c , Yanjing Li2, d 1School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China 2 Beijing Tongda Refractory Technologies Co.Ltd, Beijing 100085, PR China aheyyou123@yahoo.cn, blirefractory@vip.sina.com, cxwb0758@sina.com, dliyj@bjtd.com.cn Keywords: Andalusite, Cement rotary kiln, SiC, Anti-oxidation.
Experimental Raw material and the proportion.
Thus the process above decreases the density of material structure.
Handbook of refractory raw materials. 2000:121-125, in Chinese [3]Xiaohong Xu, Shaoyang Qian, Jianfeng Wu, Guanghui Leng, Binzheng Fang, Meng Liu, in: China Ceramic Industry, Vol.17(2010) , in Chinese [4]Lipeng Zhang, Yongxia Wu, in: Advanced Ceramics, Vol.28(2002),in Chinese [5]Shike Zhao, Yong Huang, Xiaoxian Huang, Jingkun Guo: submitted to Journal of Ceramics, Vol. 23(2002), in Chinese [6] Pingkun Xu, in: Guide for New Epoch, Vol. 6(2020), in Chinese [7]Ghate, B.
Bull, 1991. 70: 1624- 1632 [9]Mu Pan, Cewen Nan: submitted to Corrosion Science and Protection Technology, Vol. 12(2000):109-11, in Chinese [10]Chun Chang, Chuanzhong Chen, Wencheng Sun, in: Journal of Shandong University (English science), Vol.32 (2002), in Chinese [11]Zhenlin Lü, Shibin Li, Jiqiang Gao, Zhihao Jin, Hejun Li, in: Rare Metal Materials and Engineering, Vol.32 (2003) , in Chinese

Detail of Experiment Materials.
Davidovits, Geopolymers: inorganic polymeric new materials, Journal of Thermal Analysis. 37 (1991) 1633–1656
Hanjitsuwan, Effect of SiO2 and Al2O3 on the setting and hardening of high calcium fly ash-based geopolymer systems, Journal of Materials Science. 47(12) (2012) 4876–4883
Sata, Setting time, strength, and bond of high-calcium geopolymer concrete, Journal of Materials in Civil Engineering. 27(7) (2015) 1–7
Arshad, Effect of sodium silicate types on the high calcium geopolymer concrete, Materials Science Forum. 803 (2015) 185-193

Effect of Pre-heating Temperature on Microstructure and Properties of 22MnB5 Steel Hot Stamping Ping Lia, Yusheng Liub, Tianzong Gongzic and Kemin Xued,* School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, P.
References [1] Turetta A, Bruschi S and Ghiotti A, Investigation of 22MnB5 formability in hot stamping operations, Journal of Materials Processing Technology. 177 (2006) 396-400
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[6] Bok H H, Lee M G and Pavlina E J, Comparative study of the prediction of microstructure and mechanical properties for a hot-stamped B-pillar reinforcing part, International Journal of Mechanical Sciences. 53 (2011) 744-752
[7] Karbasian H and Tekkaya A E, A review on hot stamping, Journal of Materials Processing Technology. 210 (2010) 2103-2118