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Molten Salt Corrosion Resistance of Yttria Stabilized Zirconia Coating with Silicon Carbide Interlayer on High Density Graphite
Springer Science and Business Media LLC - Tập 71 - Trang 1237-1245 - 2018
Ch. Jagadeeswara Rao, B. Madhura, E. Vetrivendan, K. Thyagarajan, S. Ningshen, C. Mallika, U. Kamachi Mudali
The high temperature corrosion behaviour of yttria stabilized zirconia (YSZ) coated high density graphite (HDG) with and without SiC interlayer was evaluated in LiCl–KCl molten salt at 600 °C. The YSZ coated HDG samples without interlayer were tested for 50, 250, 1000 and 2000 h and the YSZ coated HDG samples with SiC interlayer were studied for 50, 500, 2000 and 3500 h durations. Characterisation...... hiện toàn bộ
Characterisation-Assisted Reduction Roasting of BHJ, West Singhbhum, Jharkhand, India
Springer Science and Business Media LLC - - 2018
Sanjeev Kumar Das, Ranjit Prasad, Rajendra Prasad Singh
Low temperature diffusion bonding of stainless steel
Springer Science and Business Media LLC - Tập 63 - Trang 853-857 - 2011
P. S. Gawde, R. Kishore, A. L. Pappachan, G. B. Kale, G. K. Dey
Diffusion bonding of stainless steel (SS) has been attempted in temperature range of 623–773 K using multiple inter-layers of nickel, copper and silver. The intermediate layers were electro-deposited taking care to avoid oxidation at the interfaces. The bonded area was examined for the formation of any intermetallic compound through electron probe micro-analyzer (EPMA) and nano-indentation techniq...... hiện toàn bộ
Study of Binary, Ternary, and Quaternary Basicity in Reduction of Saprolitic Nickel Ore
Springer Science and Business Media LLC - Tập 74 - Trang 3249-3263 - 2021
Widi Astuti, Bambang Suharno, Fathan Bahfie, Posman Manurung, Yuliana Sari, Anton Sapto Handoko, Fajar Nurjaman
In the selective reduction process of lateritic nickel ore, the formation of the liquidus phase could be obtained by increasing the temperature and additive, resulting in an uneconomic process. Nevertheless, it could also be obtained by modifying the ore basicity by adding low-cost fluxes, such as CaO, SiO2, MgO, and Al2O3. In this work, the effect of three types of basicity (binary, ternary, and ...... hiện toàn bộ
Thermal Properties, Microstructure and Microhardness of Cu–Al–Co Shape Memory Alloy System
Springer Science and Business Media LLC - Tập 67 - Trang 595-600 - 2014
Yıldırım Aydoğdu, Ferdi Kürüm, Mediha Kök, Zehra Deniz Yakinci, Ayşe Aydoğdu
In this study, the effects of Co content on the crystal structure, transformation temperatures and microstructure of Cu–Al–Co shape memory alloy system were investigated. It was found that Cu–Al–Co alloy system has also 18R type martensitic structure, which is commonly observed in copper-based systems. The transformation temperatures were found to be higher than 250 °C and they do not show a linea...... hiện toàn bộ
Application of Back Propagation Neural Network Model for Predicting Flank Wear of Yttria Based Zirconia Toughened Alumina (ZTA) Ceramic Inserts
Springer Science and Business Media LLC - Tập 68 - Trang 783-789 - 2015
Nilrudra Mandal, B. Mondal, B. Doloi
A back propagation neural network model has been adopted for the flank wear prediction of zirconia toughened alumina (ZTA) insert in turning operation. The experiments are performed on AISI 4340 steel using developed yttria based ZTA inserts. These inserts are prepared through wet chemical co-precipitation route followed by powder metallurgy process. Machining conditions such as cutting speed, fee...... hiện toàn bộ
Effect of Quenching and Tempering Processes on Sharpness of Knives Made from 6Cr13 High-Carbon Martensitic Stainless Steel
Springer Science and Business Media LLC - - 2024
Songming Zhu, Jing Li, Shouhui Li, Chang Sun
Effect of Oxide Particles on Ferrite Phase Transformation in Low Carbon Micro-alloyed Steels
Springer Science and Business Media LLC - Tập 74 - Trang 3227-3240 - 2021
Ping Wang, Xiao Jia, Si Zhang, Yulong Yang, Yaxin Ma
The mechanism of ferrite nucleation induced by different oxide particles was studied in this article. The inclusion insertion experiment as a simulated experiment was carried out using different oxide powders on a thermal simulator under certain heat treatment conditions. The main results showed that the chemical influences of oxide particles on ferrite nucleation are difficult to occur under soli...... hiện toàn bộ
Dynamic Compression Deformation and Constitutive Model of Extruded Mg–1Zn–2Y Bar
Springer Science and Business Media LLC - Tập 74 - Trang 2967-2975 - 2021
Zheng Liu, Wanru Tang, Shuang Kang
The dynamic compression tests of Mg–1Zn–2Y (wt.%) alloy were carried out by a split Hopkinson pressure bar (SHPB) device at room temperature and a strain rate of 1524–2106 s−1. Based on the electron back-scattering diffraction test result, it was found that with the increase in the strain rate, the proportion of {10_12} 1tensile twinning-basal slip participating in the deformation first increased ...... hiện toàn bộ
Mechanism of Interface Reactions Between Fe-2%Al Alloy and High-Silica Tundish Refractory
Springer Science and Business Media LLC - Tập 72 - Trang 591-602 - 2019
Abdulaziz Alhussein, Wen Yang
The reactions between a Fe-2%Al alloy and a high-silica tundish refractory were investigated at 1550 °C in an alumina crucible using a high-frequency induction furnace. The reaction between the dissolved aluminum in the molten alloy and the oxidizing components in the refractory took place at the interface, generating a MgO·Al2O3 spinel as the main product, which was confirmed by both experimenta...... hiện toàn bộ
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