SA-06-3(007) On Time-dependent Crack Growth Parameters in Plasticity and Creep Fields(Flaw Assessment at Elevated Temperature 1)
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概要
- 論文の詳細を見る
Rate and non-rate parameters are examined for correlation of time-dependent crack growth rates under static control conditions. Experimental data on single edge notch specimens of IN718 at 593℃, compact tension specimens of stainless steel 304 at 538℃ and X20CrMoV 12 1 steel at 545℃ are used to examine the performance of rate parameters C_<pc>, J^^^^^・, J^^・^* and non-rate versions of these parameters which are computed either from approximate equations or finite element analyses. It is found that rate parameters can correlate time-dependent crack growth rates whether the crack tip field is dominated by plasticity or by creep. Non-rate parameters are found inadequate in either circumstance.
- 一般社団法人日本機械学会の論文
- 2001-06-03
著者
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Kim K.
Department Of Materials Engineering And Center For Advanced Plasma Surface Technology Sungkyunkwan U
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Kim K.
Department Of Mechanical Engineering Pohang University Of Science And Technology
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Han C.
Department of Mechanical Engineering, Pohang University of Science and Technology
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Kim K.
Department Of Dental Biomaterials College Of Dentistry Kyungpook National University
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