Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Hong-Chul Jeong"'
Role of silicon on formation and growth of intermetallic phases during rapid Fe–Zn alloying reaction
Autor:
Seung-Chang Han, Dario Ferreira Sanchez, Daniel Grolimund, Sang-Ho Uhm, Du-Youl Choi, Hong-Chul Jeong, Tea-Sung Jun
Publikováno v:
Materials Today Advances, Vol 18, Iss , Pp 100368- (2023)
The study of liquid metal embrittlement in Fe–Zn systems is challenging because of the high temperature and vapor pressure of Zn, which hinders in-situ investigations with sufficiently high spatial resolution. This is typically associated with subs
Externí odkaz:
https://doaj.org/article/42630f79517846c78df9a188b0dea920
Autor:
Seung-Chang Han, Tea-Sung Jun, Du-Youl Choi, Hong-Chul Jeong, Hyeong-Mo Park, Sang-Ho Uhm, Yeongjin Kim
Publikováno v:
Welding in the World. 65:1887-1897
In this work, the industrial X-ray computed tomography was exploited for measuring maximum crack depths across the weld interfaces within resistance spot welding (RSW) specimens welded under intensive welding condition. Individual crack profiles were
Publikováno v:
Materials Science Forum. 1016:42-49
The present work investigated the effects of Al, Si, and N content on the impact toughness of the coarse-grained heat-affected zone (CGHAZ) of Ti-containing low-carbon steel. Simulated CGHAZ of differing Al, Si, and N contents were prepared, and Char
Autor:
Kyutae Han, Hong-Chul Jeong
Publikováno v:
Journal of Welding and Joining. 38:73-80
Publikováno v:
Journal of Welding and Joining. 37:15-20
Publikováno v:
Korean Journal of Metals and Materials. 56:796-804
Autor:
Sung Jin Kim, Hong Chul Jeong
Publikováno v:
Journal of Welding and Joining. 34:7-20
A brief overview is given of the development of various structural steels and their welding application technology. Firstly, the general characteristics and welding performance of structural steels used in architecture and bridge are introduced. For
Publikováno v:
Journal of Welding and Joining. 33:6-12
Thermal fatigue life of the automobile exhaust manifold is directly affected by the restraint force according to the structure of exhaust system and bead shape of the welded joints. In the present study, the microstructural changes and precipitation
Publikováno v:
Journal of the Korean Welding and Joining Society. 28:54-59
The effects of welding parameters such as contact tip-to-work distance (CTWD), voltage, and current on the weld metal diffusible hydrogen contents (HD) were investigated and rationalized by the calculation of heating time and amount of heat generated
Publikováno v:
Journal of the Korean Welding and Joining Society. 27:19-26
중장비는 굴삭기, 크레인 등 건설기계 부문과 트럭, 트레일러 등 운송장비 부문으로 대별할 수 있다. 세계 건설기계 산업의 규모는 ‘07년 기준으로 조선 산업의 1.7배에 달하며, 지속적인 성