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Ho-Sang Sohn 3 Articles
146 Removal of Iron from Ilmenite Through Selective Chlorination Using Coke and Cl2 Gas
코크스와 염소가스에 의한 일메나이트 광석 중 Fe의 선택염화 제거
So-Yeong Lee, Sung-Hun Park, Ho-Sang Sohn
이소영, 박성훈, 손호상
Korean J. Met. Mater. 2019;57(3):146-153.   Published online 2019 Feb 8
DOI: https://doi.org/10.3365/KJMM.2019.57.3.146

Abstract
This study on the chlorination of ilmenite ore was carried out using chlorine gas and coke as the chlorinating and reduction agents in a static bed reactor for the selective removal of iron. The effect of the amount of coke, the partial pressure of the chlorine gas and the reaction..... More

                        
34 A Study on the Variation in Tensile Ductility of Porous Sintered Iron
다공성 소결 순철에서 인장연성의 변화에 관한 연구
Jae-Young Jung, Ho-Sang Sohn
정재영, 손호상
Korean J. Met. Mater. 2018;56(1):34-39.   Published online 2018 Jan 1
DOI: https://doi.org/10.3365/KJMM.2018.56.1.34

Abstract
A model based on Irwin's approach to elastic-plastic deformation was applied to predict the tensile ductility of a sintered iron. The evaluation of this model using experimental results for porous sintered iron showed that tensile ductility depends not only on the pore volume fraction, but also the pore size and..... More

      
Corrosion & Surface Treatment
652 Effect of Potassium Persulfate on Current Efficiency for Gold Plating
금도금의 전류효율에 미치는 과황산칼륨 첨가의 영향
Injoon Son, Ho-Sang Sohn, Kyung Tae Kim
손인준, 손호상, 김경태
Korean J. Met. Mater. 2016;54(9):652-658.   Published online 2016 Sep 5
DOI: https://doi.org/10.3365/KJMM.2016.54.9.652

Abstract
In this study, the effect of potassium persulfate on current efficiency for gold plating was investigated using electrochemical techniques. The current efficiency in the low-current-density range greatly decreased when potassium persulfate was added to the gold plating solution. However, the current efficiency in the high-current-density range did not change with..... More

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