Zobrazeno 1 - 10 of 30 pro vyhledávání: '"Hee Sang Park"'
1
Akademický článek
Effect of Heat Treatment on Microstructure and Mechanical Properties of High-Strength Steel for in Hot Forging Products
Autor: Moonseok Kang, Minha Park, Byoungkoo Kim, Hyoung Chan Kim, Jong Bae Jeon, Hyunmyung Kim, Chang Yong Choi, Hee Sang Park, Se-Hun Kwon, Byung Jun Kim
Publikováno v: Metals, Vol 11, Iss 5, p 768 (2021)
High-strength steel is widely used in hot forging products for application to the oil and gas industry because it has good mechanical properties under severe environment. In order to apply to the extreme environment industry requiring high temperatur
Externí odkaz: https://doaj.org/article/3e37500018a54c9cb30c2ac2090ce7db
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2
Akademický článek
Effects of Cooling Rate during Quenching and Tempering Conditions on Microstructures and Mechanical Properties of Carbon Steel Flange
Autor: Haeju Jo, Moonseok Kang, Geon-Woo Park, Byung-Jun Kim, Chang Yong Choi, Hee Sang Park, Sunmi Shin, Wookjin Lee, Yong-Sik Ahn, Jong Bae Jeon
Publikováno v: Materials, Vol 13, Iss 18, p 4186 (2020)
This study investigated the mechanical properties of steel in flanges, with the goal of obtaining high strength and high toughness. Quenching was applied alone or in combination with tempering at one of nine combinations of three temperatures TTEM an
Externí odkaz: https://doaj.org/article/e1b8e69c4db7423cb3069188332cba69
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3
Akademický článek
Microstructural Variation and Evaluation of Formability According to High-Temperature Compression Conditions of AMS4928 Alloy
Autor: Jae-Gwan Lee, Pyeong-Seok Jo, Chang-Yong Choi, Hee-Sang Park, Dong-Geun Lee
Publikováno v: Applied Sciences, Vol 12, Iss 15, p 7621 (2022)
Ti-6Al-4V alloys are used in various industrial fields such as aircraft parts due to its excellent specific strength and mechanical properties. A high-temperature forming technology has been applied because it is difficult to process complex shapes.
Externí odkaz: https://doaj.org/article/3c5a34aba95148439650b5c707c7b17e
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4
Effects of Annealing Treatment on the Anisotropy Behavior of Cold-Rolled High-Manganese Austenite Stainless Steels
Autor: Jong Bae Jeon, Byoungkoo Kim, Hyunmyung Kim, Moon Seok Kang, Hyoung Chan Kim, Hyoung-Seok Moon, Se-Hun Kwon, Geon-Woo Park, Minha Park, Hee-Sang Park, Byung Jun Kim
Publikováno v: Metals and Materials International. 27:3839-3855
High-Mn (over 24 wt%) austenitic steels recently have been developed with excellent mechanical properties such as high strength and ductility at very low temperatures for cryogenic application. Especially, cold-rolling process is and effective method
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0cfce7a15edf9d4fb68e23e4b7a3274b
https://doi.org/10.1007/s12540-020-00785-8
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7
Study on the Performance of Infrared Thermal Imaging Light Source for Detection of Impact Defects in CFRP Composite Sandwich Panels
Autor: Koo-Ahn Kwon, Man-Yong Choi, Hee-Sang Park, Hyun-Chul Jung, Wonjae Choi, Jeong-Hak Park
Publikováno v: Journal of the Korean Society for Nondestructive Testing. 37:91-98
Recently, composite materials have been mainly used in the main wings, ailerons, and fuselages of aircraft and rotor blades of helicopters. Composite materials used in rapid moving structures are subject to impact by hail, lightning, and bird strike.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a69a92b40e6744770731b33035c033b8
https://doi.org/10.7779/jksnt.2017.37.2.91
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8
Detecting the Honeycomb Sandwich Composite Material's Moisture Impregnating Defects by Using Infrared Thermography Technique
Autor: Jeong-Hak Park, Man-Yong Choi, Koo-Ahn Kwon, Wonjae Choi, Hee-Sang Park
Publikováno v: Journal of the Korean Society for Nondestructive Testing. 37:99-105
Many composite materials are used in the aerospace industry because of their excellent mechanical properties. However, the nature of aviation exposes these materials to high temperature and high moisture conditions depending on climate, location, and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::58de707374f30a66189da7dacd85edc0
https://doi.org/10.7779/jksnt.2017.37.2.99
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9
Effect of Heat Treatment on Microstructure and Mechanical Properties of High-Strength Steel for in Hot Forging Products
Autor: Hyoung Chan Kim, Chang Yong Choi, Byung Jun Kim, Minha Park, Hyunmyung Kim, Jong Bae Jeon, Moonseok Kang, Byoungkoo Kim, Se-Hun Kwon, Hee Sang Park
Publikováno v: Metals
Volume 11
Issue 5
Metals, Vol 11, Iss 768, p 768 (2021)
High-strength steel is widely used in hot forging products for application to the oil and gas industry because it has good mechanical properties under severe environment. In order to apply to the extreme environment industry requiring high temperatur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2553ae61f77aa13b7b6f3a0eea6a863
https://doi.org/10.3390/met11050768
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10
Study on the Defects Detection in Composites by Using Optical Position and Infrared Thermography
Autor: Hee-Sang Park, Jeong-Hak Park, Koo-Ahn Kwon, Man-Yong Choi, Wonjae Choi
Publikováno v: Journal of the Korean Society for Nondestructive Testing. 36:130-137
Non-destructive testing methods for composite materials (e.g., carbon fiber-reinforced and glass fiberreinforced plastic) have been widely used to detect damage in the overall industry. This study detects defects using optical infrared thermography.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3ea1ee2e5fb27893994afae117a13ae
https://doi.org/10.7779/jksnt.2016.36.2.130
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