COMPUTER SIMULATION OF EARLY STAGE OF DISLOCATION STRUCTURES IN A FATIGUED COPPER SINGLE CRYSTAL

金属学报(英文版), 1999, 12(4): 557-561.

COMPUTER SIMULATION OF EARLY STAGE OF DISLOCATION STRUCTURES IN A FATIGUED COPPER SINGLE CRYSTAL

J.H.Yang1 , 2) , S.X.Li1)and C.X.Ma2) 1) State Key Laboratoryfor Fatigueand Fracture of Materials , Instituteof Metal Research , The Chinese Academy of Sciences , 72 Wenhua Road , Shenyang 110015 , China 2) Department of Materials Physics , Northeastern University , Shenyang 110006 , China

Keywords： computersimulation , null , null , null

The dislocation evolution wassimulated by using positiveand negative parallelstraightedgedislocationsrandomly distributing on the primary slip planes astheinitialconditions. Thevein and wallstructuresof dynamicequilibrium have been obtained. Abig dipolestructure wasfound inthesimulation.

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J.H.Yang1 2) S.X.Li1)and C.X.Ma2) 1) State Key Laboratoryfor Fatigueand Fracture of Materials Instituteof Metal Research The Chinese Academy of Sciences 72 Wenhua Road Shenyang 110015 China 2) Department of Materials Physics Northeastern University Shenyang 110006 China
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J.H.Yang1 2) S.X.Li1)and C.X.Ma2) 1) State Key Laboratoryfor Fatigueand Fracture of Materials Instituteof Metal Research The Chinese Academy of Sciences 72 Wenhua Road Shenyang 110015 China 2) Department of Materials Physics Northeastern University Shenyang 110006 China
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J.H.Yang1 2) S.X.Li1)and C.X.Ma2) 1) State Key Laboratoryfor Fatigueand Fracture of Materials Instituteof Metal Research The Chinese Academy of Sciences 72 Wenhua Road Shenyang 110015 China 2) Department of Materials Physics Northeastern University Shenyang 110006 China
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J.H.Yang1 2) S.X.Li1)and C.X.Ma2) 1) State Key Laboratoryfor Fatigueand Fracture of Materials Instituteof Metal Research The Chinese Academy of Sciences 72 Wenhua Road Shenyang 110015 China 2) Department of Materials Physics Northeastern University Shenyang 110006 China

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COMPUTER SIMULATION OF EARLY STAGE OF DISLOCATION STRUCTURES IN A FATIGUED COPPER SINGLE CRYSTAL

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