Study on the Quality of TA2 Sheet in Laser Bending Deforming Area

Yi Jun Zhou

doi:10.4028/www.scientific.net/AMR.139-141.326

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 139-141Study on the Quality of TA2 Sheet in Laser Bending...

Study on the Quality of TA2 Sheet in Laser Bending Deforming Area

Abstract:

In order to study the quality of TA2 sheet in laser bending deforming area, SM2000 CO2 laser of 2.5kW is used to irradiate 0.6 mm thick TA2 sheet, and the change of the surface properties of the TA2 plate after laser forming was investigated with the X-ray stress analysis instrument (type: X-350A), Digital Micro hardness Tester HVS-1000 and Scanning Electric Mirror (SEM ) respectively. The result of the experiment indicates: the roughness of the forming sheet after bending will increase. The roughness of deforming area increases dramatically. The further the surface from the bending area, the less roughness in the bending area, residual stress changes regularly. The organization of the deforming area is changed, and the branch crystal forms on the surface of the forming sheet. The diameter is about 0.5μm. The branch crystal grows upward.

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Periodical:

Advanced Materials Research (Volumes 139-141)

Pages:

326-329

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.139-141.326

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Online since:

October 2010

Authors:

Yi Jun Zhou

Keywords:

Laser Forming, Microhardness, Residual Stress, Thermal Stress

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