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vanhalen1983
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- ×¢²á: 2007-08-05
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2Â¥2010-10-23 12:04:47
yzl19880814
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New bainite alloy steel electrode combination of wing rail frog Surfacing national key projects Project Description • ¡ù bainite using the new electrode (JD-960) on active duty rail for welding repair, extending its life to save maintenance costs, ensure traffic safety, increase economic efficiency, to meet railway needs of different user environments. ¡ù responsible for the work • The existing welding object, the development of relevant welding technology, and extensive field tests, after testing analysis, select the most appropriate process parameters. According to the work environment, on-line repair welding for the overall structure modification. • participation in welding process equipment inspection, and maintenance in the production process and technical changes to make recommendations. Long-term preservation of rare earth new materials Steel Aluminium - Rare Earth Aluminum Alloy steel sheet products line of technical feasibility • For now, the status of steel corrosion, developed a new type of corrosion of steel materials - rare earth alloy (national patent) applicable to all kinds of corrosive environment, atmosphere, water, natural gas. • combination of the corrosion of steel in real life situation, making a similar experimental program, detailed records of data. • to collect relevant material, organize the experimental data, modify the demonstration repor |

3Â¥2010-10-23 12:59:31













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