Low Energy Dislocation Structure in Deformed Metals

材料科学技术（英）, 1990, 6(5): 338-344.

Low Energy Dislocation Structure in Deformed Metals

DIAO Xiaoxue XING Xiusan ** Department of Applied Physics , Beijing Institute of Science and Technology , Beijing , 100081 , China.To whom correspondence should be addressed.

Keywords： Dislocation structure , null

In this paper,the dislocation distribution struc- ture in deformed metal is discussed.The flow stress of material for the heterogeneous dislocation distri- bution which tends to the flow stress for the homo- geneous dislocation distribution in the limiting case is derived.The causes and the effects of the long range internal stresses are discussed.The total deformation energy of material system is obtained and the trend of evolution of dislocation distribu- tion in deformed metals is discussed simultaneously. No micromechanisms of dislocations are involved in the discussion,therefore the theory developed in this paper is universal.

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Low Energy Dislocation Structure in Deformed Metals

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