연구성과 3 페이지 | 포항공과대학교 친환경소재대학원

커뮤니티

연구성과

Total 145건 3 페이지

113

SSL [SSL] Prof. Sung-Joon Kim: Direct comparison of C and N effect on hydrogen embrittlement of stable 17Cr-10Ni-6Mn austenitic stainless steel Abstract : The effects of C and N on hydrogen embrittlement (HE) were investigated in 17Cr-10Ni-6Mn based stable austenitic stainless steels containing 0.2 wt% of either C or N. C and N increased tensile strength by solid solution har..

작성자 최고관리자 작성일 2023-08-14
112

CTL [CTL] Prof. Chang Hee Yim: Evolution of centerline carbides in a martensitic stainless steel slab during reheating treatment The formation and evolution of centerline carbides in a martensitic stainless steel slab are investigated using various characterization techniques. The intensive formation of carbides was observed close to the shrinkage cavity at the..

작성자 최고관리자 작성일 2023-07-26
111

CTL [CTL] Prof. Chang Hee Yim: Mechanism of Surface Corrosion in the Continuous Casting Guide Rolls Due to the importance of the surface on the final slab quality, it is essential to maintain a smooth segment roll surface that is in touch with the thin solid shell during solidification. In this paper, the surface of the used continu..

작성자 최고관리자 작성일 2023-07-26
110

SSL [SSL]Prof. Sung-Joon Kim : Microstructural evolution of liquid metal embrittlement in 1.5-GPa-grade Zn-coated hot-press-forming steels AbstractZn-assisted liquid metal embrittlement (LME) in hot press forming (HPF) steels is attributed mainly to the cracking inside both Zn coating and HPF substrate, but very few studies on how the Zn coating composed of Fe–Zn in..

작성자 최고관리자 작성일 2023-06-08
109

SSL [SSL]Prof. Sung-Joon Kim : Effects of strain rate on tensile ductility in Cu-added stable Fe–Cr–Ni-based austenitic stainless steels AbstractThe mechanical properties of the austenitic stainless steels (ASSs) at high strain rates are receiving significant attention for interpreting the mechanical behavior of automotive members during the severe forming operations.H..

작성자 최고관리자 작성일 2023-06-08
108

SSL [SSL]Prof. Sung-Joon Kim : Martensitic transformation during electrochemical polishing of metastable austenitic stainless steel Abstract We found that remarkable martensitic transformation occurs during electrochemical polishing (EP) in 16Cr-5Ni metastable austenitic stainless steel. It was observed through EBSD measurement that the α’ martensite fraction incre..

작성자 최고관리자 작성일 2023-06-08
107

PEL Prof. Young-Seek Yoon : Rotary hearth furnace for steel solid waste recycling: Mathematical modeling and surrogate-based optimization using industrial-scale yearly operational data AbstractThe presence of zinc in byproduct dust produced during steel production poses a challenge to resource management and can have adverse environmental effects. This study investigates the dezincification behavior of a commercial-scale ..

작성자 최고관리자 작성일 2023-04-05
106

PEL [PEL]Prof. Young-Seek Yoon : Vacuum pressure swing adsorption for efficient off-gas recycling: Techno-economic and CO2 abatement study AbstractWe suggest a vacuum pressure swing adsorption that uses CuCl/Boehmite adsorbent as a novel material to efficiently recycle a blast furnace gas into the blast furnace and discuss the techno-economic and CO2 abatement impact. To ident..

작성자 최고관리자 작성일 2023-04-05
105

EMRL [EMRL]Prof. Kyu-Young Park : Gradational anionic redox enabling high-energy P2-type Na-layered oxide cathode Abstract: Anionic-redox-based layered oxide materials are considered promising cathodes for Na-ion batteries because of their high energy densities. However, the anionic redox reaction at high voltage results in structural instability of th..

작성자 최고관리자 작성일 2023-02-20
104

MRL [MRL]Prof. Chong Soo Lee : Heterogeneous-structured Ti-6Al-4V with enhanced mechanical properties in monotonic and cyclic deformation modes This study aimed to develop heterogeneous-structured (HS) Ti-6Al-4V composed of coarse and fine grains to enhance the alloy's mechanical properties. This microstructure was induced by selective activation of dynamic globularization by using..

작성자 최고관리자 작성일 2023-01-02
103

MRL [MRL]Prof. Chong Soo Lee : Increasing the resistance to hydrogen embrittlement in martensitic steel by partial phase transformation and tempering This paper presents a method to increase the hydrogen-embrittlement (HE) resistance of martensite steel using by partial phase transformation and tempering. Dual-tempered martensitic (DTM) steel was produced by two-step quenching..

작성자 최고관리자 작성일 2023-01-02
102

CSL [Editor's Choice][CSL]Prof. Youn-Bae Kang : Thermodynamic Basis of Isothermal Carbothermic Reduction of Oxide in Liquid Steel for Simultaneous Analysis of Soluble/Insoluble Oxygen Contents in the Stee…

작성자 최고관리자 작성일 2022-11-29
101

CSL [CSL]Prof. Youn-Bae Kang : Recycling red mud to develop a competitive desulfurization flux for Kanbara Reactor (KR) desulfurization process Abstract : One of the industrial wastes, red mud, was assessed as an additive to lime, as a new desulfurization flux for the hot metal in the steelmaking process. Since typical red mud contains some amount of iron oxide, a prelimina..

작성자 최고관리자 작성일 2022-11-29
100

SNMPL [SNMPL]Prof. Hyoung-Seop Kim : Mechanically derived short-range order and its impact on the multi-principal-element alloys Abstract : Chemical short-range order in disordered solid solutions often emerges with specific heat treatments. Unlike thermally activated ordering, mechanically derived short-range order (MSRO) in a multi-principal-element Fe40Mn40Cr10Co1..

작성자 최고관리자 작성일 2022-11-14
99

SNMPL [SNMPL]Prof. Hyoung-Seop Kim : Constitutive modeling of cellular-structured metals produced by additive manufacturing Abstract : Computational modeling is essential in the development and application of metal additive manufacturing (MAM). Most materials processed by laser or electron beam MAM exhibit a characteristic cellular structure, where the cel..

작성자 최고관리자 작성일 2022-11-14
98

CSPL [CSPL]Prof. Jung-Wook Cho : Resolving the mixed-alkali effect on the viscoelastic behavior of supercooled liquids Abstract : Relaxation processes in mixed-alkali metaphosphate glasses and supercooled liquids are studied using a combination of calorimetric, electrical impedance spectroscopic and rheological measurements to inves- tigate the atomistic na..

작성자 최고관리자 작성일 2022-11-04

SITE MAP

소개

사람들

연구분야

입시 및 교육

커뮤니티

커뮤니티

연구성과

검색