Metallurgical and Materials Transactions E

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Thermodynamic Modeling of Oxide Phases in the Mn-O System
Metallurgical and Materials Transactions E - Tập 3 - Trang 156-170 - 2016
Youn-Bae Kang, In-Ho Jung
A critical evaluation and thermodynamic modeling for thermodynamic properties of all oxide phases and phase diagrams in the Mn-O system are presented. Optimized Gibbs energy parameters for the thermodynamic models of the oxide phases were obtained which reproduce all available and reliable experimental data within error limits from 298 K (25 °C) to above the liquidus temperature at compositions co... hiện toàn bộ
Liquidus Projections of Bi-Se-Ga and Bi-Se-Te Ternary Systems
Metallurgical and Materials Transactions E - Tập 3 - Trang 281-290 - 2016
Po-han Lin, Sinn-wen Chen, Jenn-dong Hwang, Hsu-shen Chu
This study determines the liquidus projections of both Bi-Se-Ga and Bi-Se-Te ternary systems which are constituent ternary systems of promising Bi-Se-Te-Ga thermoelectric materials. Ternary Bi-Se-Ga and Bi-Se-Te alloys are prepared. Their primary solidification phases are experimentally determined, and thermal analysis experiments are carried out. The liquidus projections are determined based on t... hiện toàn bộ
Hàn Trộn Ma Sát của Thép ODS và RAFM Dịch bởi AI
Metallurgical and Materials Transactions E - Tập 2 - Trang 164-172 - 2015
Zhenzhen Yu, Zhili Feng, David Hoelzer, Lizhen Tan, Mikhail A. Sokolov
Các vật liệu cấu trúc tiên tiến như thép gia cường bằng phân tán oxit và thép ferritic/martensitic giảm hoạt hóa đang được mong chờ sử dụng trong các lò phản ứng nhiệt hạch làm vật liệu ứng cử viên chính cho cấu trúc tường đầu tiên và lớp chụp, nhờ vào khả năng chống bức xạ và co rút nhiệt độ cao tuyệt vời của chúng. Tuy nhiên, tính hàn kém của chúng đã trở thành thách thức kỹ thuật lớn nhất hạn c... hiện toàn bộ
#Thép gia cường bằng phân tán oxit #Thép ferritic/martensitic giảm hoạt hóa #Hàn ma sát trạng thái rắn #Kích thước hạt #Vi cấu trúc.
Proton-Conducting Nanocrystalline Ceramics for High-Temperature Hydrogen Sensing
Metallurgical and Materials Transactions E - Tập 1 - Trang 48-57 - 2014
Xiling Tang, Zhi Xu, Adam Trontz, Wenheng Jing, Junhang Dong
The proton-conductive doped ceramic materials, including SrCe0.95Tb0.05O3−δ (SCTb), SrCe0.8Zr0.1Y0.1O3−δ (SCZY), and SrZr0.95Y0.05O3−δ (SZY), are synthesized in the forms of nanoparticles and nanocrystalline thin films on sapphire wafers and long-period grating (LPG) fibers. The H2 chemisorption and electrical conductivity of the nanocrystalline SCTb, SCZY, and SZY materials are measured at high t... hiện toàn bộ
Current Status on Resource and Recycling Technology for Rare Earths
Metallurgical and Materials Transactions E - Tập 1 - Trang 160-173 - 2014
Osamu Takeda, Toru H. Okabe
The development of recycling technologies for rare earths is essential for resource security and supply stability because high-quality rare earth mines are concentrated in China and the demand for rare earth metals such as neodymium and dysprosium, used as raw materials in permanent magnets (neodymium magnet), is expected to increase rapidly in the near future. It is also important to establish a ... hiện toàn bộ
Damage Mechanisms of a TiB2-Reinforced Steel Matrix Composite for Lightweight Automotive Application
Metallurgical and Materials Transactions E - Tập 3 - Trang 203-208 - 2016
Y. Z. Li, Z. C. Luo, H. L. Yi, M. X. Huang
The microscopic strain-and-stress fields related to primary and eutectic particles in a lightweight steel matrix composite (SMC) produced by in situ precipitation of TiB2 particles during solidification were investigated by means of microscale digital image correlation and finite element method. The damage process in this SMC is a sequential process of primary particles cracking, the fracture of t... hiện toàn bộ
Evaluation of Drying Rates of Lignite Particles in Superheated Steam Using Single-Particle Model
Metallurgical and Materials Transactions E - Tập 3 - Trang 308-316 - 2016
Tsuyoshi Kiriyama, Hideaki Sasaki, Akira Hashimoto, Shozo Kaneko, Masafumi Maeda
Drying rates of lignite particle groups in superheated steam are evaluated using a single-particle model developed for Australian lignite. Size distributions of the particles are assumed to obey the Rosin–Rammler equation with the maximum particle diameters defined as 100, 50, and 6 mm. The results show the drying rate of a lignite group depends strongly on the maximum particle size, and removal o... hiện toàn bộ
Iron-Catalyzed Boron Removal from Molten Silicon in Ammonia
Metallurgical and Materials Transactions E - Tập 3 - Trang 228-233 - 2016
Zhiyuan Chen, Kazuki Morita
A high-temperature process of refining metallurgical-grade silicon to solar-grade silicon was developed. In this gas purging treatment, boron impurity in silicon reacts with ammonia and the products are removed as volatiles at high temperature. 1 mass pct metallic iron was added to molten silicon as a catalyst, improving the boron removal ratio from 14 to 80 pct at 1723 K (1450 °C). At 1823 K (155... hiện toàn bộ
Microstructures of Melt-Processed and Spark Plasma Sintered Ceramic Waste Forms
Metallurgical and Materials Transactions E - - 2014
Braeden M. Clark, Priyatham Tumurugoti, S. K. Sundaram, Jake W. Amoroso, James C. Marra, Kyle S. Brinkman
Fracture Behavior of Granular Polycrystalline Silicon Using Micro-scale and Macro-scale Indentation Techniques
Metallurgical and Materials Transactions E - Tập 1 Số 1 - Trang 20-26 - 2014
Mohamad B. Zbib, David F. Bahr
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