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Patent Searching and Data


Title:
CRACK REPAIR METHOD FOR INHIBITING CRACK GROWTH IN WALL PORTION BY USING ULTRASONIC WAVE
Document Type and Number:
WIPO Patent Application WO/2018/044074
Kind Code:
A1
Abstract:
The present invention relates to a method for inhibiting crack growth in a wall portion. A method for inhabiting crack growth in a wall portion according to an embodiment of the present invention comprises: an injection step for injecting working fluid in a crack; a vibration step for vibrating the working fluid in a direction from an opening of the crack to an inner side of the crack; and a deformation step for generating residual compressive stress at an inner end of the crack by generating pores in the working fluid inside the crack.

Inventors:
JUNG, Sunghwan (Industry-Academic Cooperation Foundation, Dankook University152, Jukjeon-ro, Suji-gu,Yongin-si, Gyeonggi-do, 16890, KR)
Application Number:
KR2017/009498
Publication Date:
March 08, 2018
Filing Date:
August 30, 2017
Export Citation:
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Assignee:
INDUSTRY-ACADEMIC COOPERATION FOUNDATION, DANKOOK UNIVERSITY (152 Jukjeon-ro, Suji-guYongin-si, Gyeonggi-do, 16890, KR)
International Classes:
C21D10/00; B64F5/40; G21C13/02
Attorney, Agent or Firm:
FIRSTLAW P.C. (60 Mabang-Ro, Seocho-Ku, Seoul, 06775, KR)
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