SCREW METHOD FOR MEASURING STRAIN DISTRIBUTION IN METAL PLASTIC DEFORMATION BODY

Acta Metall Sin

2007, Vol. 43

Issue (4): 363-366 DOI:

Research Articles

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SCREW METHOD FOR MEASURING STRAIN DISTRIBUTION IN METAL PLASTIC DEFORMATION BODY

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哈尔滨工业大学

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. SCREW METHOD FOR MEASURING STRAIN DISTRIBUTION IN METAL PLASTIC DEFORMATION BODY. Acta Metall Sin, 2007, 43(4): 363-366 .

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Abstract A new method for strain measurement was advanced to obtain the strain distribution inside metal plastic deformation body. Through implanting bolts into the specimen and measuring the deformation of the blots, the strain on the screw interface can be calculated quantitatively. Contrast to the traditional mesh grid method, the screw method does not split the specimen and can be used for open forging without changing the stress state.

Key words: Screw method plastic deformation strain distribution

Received: 01 August 2006

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