Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Won Sub Chung"'
Publikováno v:
Korean Journal of Metals and Materials. 60:46-52
This study evaluated changes in delta-ferrite content depending on the preheating of AISI 316L stainless steel. We also determined the reasons for the variation in delta-ferrite content, which affects corrosion resistance. Changes in delta-ferrite co
Publikováno v:
Korean Journal of Metals and Materials. 60:26-34
This study was conducted to evaluate the corrosion resistance and optimize the heat-treatment process of AISI 439 ferrite stainless steel silicon and tin alloys with reduced chromium. The microstructure of the specimens and deposition under each cond
Publikováno v:
ChemElectroChem. 8:2944-2949
Publikováno v:
Electrochimica Acta. 435:141382
Publikováno v:
Korean Journal of Metals and Materials. 52:535-541
Zone refining, using a locally-melted zone by high-frequency induction heating, was utilized to purify neodymium (Nd) metal. The traveling rate of the molten zone was set as a parameter during zone refining process. The purification efficiency for ea
Publikováno v:
Materials Science Forum. :1426-1431
TiAlSiN coatings were deposited on WC-Co metal by using a cathodic arc ion deposition method of cylindrical cathode. We used Ti / Al (50 / 50 at.%) arc target and silicon sputter target. The influence of the nitrogen pressure, TiAl cathode arc curren
Publikováno v:
Surface and Coatings Technology. 243:15-19
Diamond-like carbon (DLC) films were deposited by the linear ion source (LIS)-physical vapor deposition condition changing the anode voltages from 800 V to 1800 V and bias voltages from 0 V to − 200 V and characteristics of the films were investiga
Publikováno v:
Korean Journal of Metals and Materials. 48:1014-1020
In order to improve the purity on deposit in cobalt electrowining, a fundamental study using Pulse- Reverse Current (PRC) was carried out. Based on a sulfate solution, Cu, Ni, and Fe as impurities were added during cobalt electrowinning. There were f
Publikováno v:
Korean Journal of Metals and Materials. 48:218-224
Publikováno v:
Metallurgical and Materials Transactions A. 41:380-388
Alumina matrix composites reinforced with carbon nanotubes (CNTs) fabricated by CNT purification, mixing, compaction, and sintering processes, and the effects of the CNT addition on wear resistance were investigated in relation to the relative densit