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《Journal of Materials Engineering》 2009-07
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Experimental Investigation on Fatigue Crack Growth in GH4169 Superalloy at High Temperature

QIN Xin,ZHANG Yan-hua,XIONG Lin-yu(School of Mechanical Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100083,China)  
The experimental study on fatigue crack growth of GH4169 superalloy has been carried out.The temperatures of fatigue crack growth tests was 650℃.The results show that the fatigue crack growth rate,initial crack length,critical crack and temperature all have an effect on fatigue crack growth of GH4169.The fatigue crack growth and critical crack of base metal and joints also have great difference.
【CateGory Index】: TG407
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