Laser Bionic Strengthening Local Grid of Mould Surface

Abstract:

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For the short life of enterprise hot work die directly caused to problems in the waste of resources and the rising cost of production. Based on studying the biological prototype of crack-resistance of dragonfly wings and finding surface thermal fatigue crack is one of the main factors affecting life of the hot work mould, it is put forward thoughts about the local laser bionic strengthening the grid mould surface. Different from the traditional mould surface integral laser transformation hardening (LTH) technology, by using laser melting simulating dragonfly wings to block localized crack in the partial surface of mold, bionic strengthened die life is improved within 1~1.5 times. Experiment results on die steel shows that it is provided a new method to improve the service life of die casting mold and promoting this technology will bring significant economic benefits for the mold industry.

Info:

Periodical:

Edited by:

Di Zheng, Yiqiang Wang, Yi-Min Deng, Aibing Yu and Weihua Li

Pages:

893-896

DOI:

10.4028/www.scientific.net/AMM.101-102.893

Citation:

T. N. Di et al., "Laser Bionic Strengthening Local Grid of Mould Surface", Applied Mechanics and Materials, Vols. 101-102, pp. 893-896, 2012

Online since:

September 2011

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Price:

$35.00

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