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Mechanical Properties of Flip-Chip Solder Joints Effected by Electromigration Yudong Lu1,2, Yunfei En1, Ming Wan1,2 Xiaoqi He1, Xin Wang2 1 Science and Technology on Reliability Physics and Application of Electronic Component Laboratory, The 5th Electronics Research Institute of the MIIT, Guangzhou 510610, China 2 Key Laboratory of Specially Functional Materials, College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China Corresponding author, Phone: (86)20-8723-7935, Fax: (86)20-8723-7017, E-mail: yudonglu@yahoo.com.cn, Address: P.O.Box 1501-05, Guangzhou 510610, China.
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Therefore widely used in modern communication technology,electronic computers, aerospace development, medicine and health care, photosensitive materials, photoelectric material, energy material and catalyst materials, etc[1-3].
Cathode material was 304 Stainless Steel.
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Introduction At present any brunch of industry needs new materials with high wear resistance and that do not change their properties under environmental influence.
As materials for wear-resistant coatings it usually uses such expensive alloys as sormite, high-alloyed cast iron and other materials containing in their composition a large number of deficient alloying elements - chromium, nickel, tungsten, molybdenum, cobalt and others, that sharply increasing the cost of manufacturing products.
[5] Zuk, M.; Gorka, J.; Dojka, R.; and other, Repair welding of cast iron coated electrodes, Modtech international conference – modern technologies in industrial engineering V Book series: IOP Conference Series-Materials Science and Engineering, Tome: 227 Number of article: UNSP 012139
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However, in order to obtain multi-component coatings without admixtures, the screening of structural elements of vacuum chamber using materials contained in coating should be performed.
Relatively low precipitation rate of additional components may be stipulated by small area of target cathodes made of added materials, compared to the area of target cathodes made of base alloy.
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In addition, there are some other documents on fatigue test on construction materials providing some parameter distribution[7].
There are four different materials marked A, B, C, and D. 3.1 Uniaxial tensile fatigue test Do the experiment referring to B/T26076-2010.
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Also funded by the Natural Science Foundation of the Jiangsu Province, China (Grant No.
South Ural State University is grateful for financial support of the Ministry of Education and Science of the Russian Federation (grant No 9.5589.2017/8.9).
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Experiments Experimental materials.
Staphylococcus aurous (ATCC 6538), Escherichia coli ATCC 29522 and Candida albicans ATCC 90028(provided by the Military Academy of Medical Sciences Centers for Disease Control).
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Acknowledgement This work was supported by the International Science & Technology Cooperation Program of China (2013DFB10300).
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In addition, the roll wear has something to do with roll material.
The roll wear coefficient is determined by roll material, roll working environment and so on.
The Science and Technology of Flat Rolling,4th International Steel Rolling Conference, Deauville,France: 1987, 1-7
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Experimental Materials.
Fig. 8 Infrared spectrums of quartz before and after acting with Inhibitor (a) quartz; (b) quartz acting with inhibitor Acknowledgements This work was financially supported by the National Natural Science Foundation (51004027) of China.
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