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Journal articles on the topic 'Vacuum induction melting'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Lu, Bai Ping, Can Cheng Liu, and Hui Xu. "Effects of Preparation Technology on the Microstructure and Thermal Conductivity of Cu-11Ni-2W Alloy." Advanced Materials Research 396-398 (November 2011): 508–11. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.508.

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Cu-11Ni-2W alloys have been prepared by vacuum non-consumable arc-melting and high-frequency induction melting injection moulding. The effects of melting processes on the resultant microstructure were studied. The results show that the grain of Cu-11Ni-2W alloy prepared by vacuum non-consumable arc-melting is coarse and the microstructure includes α solid solution and W particles. As for the sample prepared by high-frequency induction melting injection moulding, the grain is superfine and the microstructure is α solid solution. Moreover, the thermal conductivity coefficient for the sample prep

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2

Wang, Rui, Hui Shu Zhang, Lei Tang, et al. "Deep Denitrogenization Technology of 23Co-Ni Steel in Vacuum Induction Melting Furnace." Advanced Materials Research 1004-1005 (August 2014): 227–30. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.227.

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23Co-Ni is an ultra-high strength steel and it needs ultra low nitrogen content in the steel. The removal of nitrogen for 23Co-Ni steel in a 6t/12t Vacuum Induction Melting Furnace (VIM) with different melting processes was studied. The results show that, the longer of the melting time and the higher of the vacuum level, the lower of the final nitrogen contents is. The denitrogenization rate can reach 70% when the melting time is more than 8 hours. The electromagnetic stirring can increase the denitrogenization speed. When the VIM is vacuumed to 1-3 Pa, it can make the nitrogen content reaches

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3

Zhang, Chengyu, Zhimao Yang, Yaping Wang, Bingjun Ding, and Yong Guo. "Preparation of CuCr25 contact materials by vacuum induction melting." Journal of Materials Processing Technology 178, no. 1-3 (2006): 283–86. http://dx.doi.org/10.1016/j.jmatprotec.2006.04.010.

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4

Siwiec, G., P. Buliński, M. Palacz, J. Smołka, and L. Blacha. "Investigations on the Process of Lead Removal from Cu-Pb Alloys During their Melting in Vacuum Induction Furnace." Archives of Metallurgy and Materials 62, no. 4 (2017): 2449–53. http://dx.doi.org/10.1515/amm-2017-0360.

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AbstractThe paper presents analysis and assessment of operating power of vacuum induction furnace in relation to the efficiency of lead removal from Cu-Pb alloy in VIM (vacuum induction melting) technology. Thermodynamic analysis of the process is performed as well.

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5

Li, Ming, Guo Qiang Lv, Wen Hui Ma, Hua Wang, and Xi Yang. "Numerical Simulation of an Unsteady Thermal Process in Vacuum Induction Furnace for Metallurgical Grade Silicon Refining." Applied Mechanics and Materials 444-445 (October 2013): 981–85. http://dx.doi.org/10.4028/www.scientific.net/amm.444-445.981.

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The temperature and velocity distribution of melting pool fields is very important effect to the silicon purification in vacuum induction furnace. A numerical model for the electromagnetic-thermal hydrodynamic coupling field has been developed by using the finite element method (FEM) and a two-dimension numerical simulation for temperature of metallurgical-grade silicon melting in vacuum induction furnace was carried out by using a software Multi-physics Comsol 4.2 in this paper. The results showed that the temperature field was dependent on induction heating times and melting pool position an

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6

Zhou, Z. M., W. J. Huang, J. Luo, et al. "Effect of Cooling Rate on the Microstructure of Cu₈₀Cr₂₀ Alloys." Materials Science Forum 694 (July 2011): 704–7. http://dx.doi.org/10.4028/www.scientific.net/msf.694.704.

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The effect of cooling rate on the microstructure of Cu80Cr20 alloys was studied by using vacuum non-consumable arc melting, vacuum induction melting, electromagnetic levitation and splat quenching. The microstructure evolution of the Cr-rich were analyzed by scanning electron microscopy (SEM) and optical microscopy. The results showed that nonuniform Cr-rich dendrite distributes on Cu-rich matrix for arc melted alloys and uniform Cr-rich dendrite distributes on Cu-rich matrix for electromagnetic levitation melted alloys and vacuum induction melted alloys. However, the Cr-rich phase show both d

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7

Zhang, Zhao, Fang Yuan Xing, Ming Zhu, et al. "Vacuum Induction Melting of TiNi Alloys Using BaZrO₃ Crucibles." Materials Science Forum 765 (July 2013): 316–20. http://dx.doi.org/10.4028/www.scientific.net/msf.765.316.

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In this paper, BaZrO3, which is successfully used to prepare the YBCO single crystal superconductor, is introduced into the melting of titanium alloys. The density of the home-made BaZrO3 crucible reaches 97% of theoretical density, and TiNi alloy is melted using this crucible by the vacuum induction method. It is found that the home-made BaZrO3 crucible possesses excellent thermal shock resistance. After melting, the surface of the ingot is smooth and it can be separated from the crucible easily, there is no reaction layer and elemental diffusion between the refractory and the melt is not obs

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8

Zhang, Xiao Li, Ai Fen Xu, Xiao Fan Chen, Ruo Lei Li, and Chun Yan Yang. "Research on XX Fe Based Alloy Prepared by Air Induction Melting." Advanced Materials Research 664 (February 2013): 473–76. http://dx.doi.org/10.4028/www.scientific.net/amr.664.473.

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The production cost of amorphous alloys by vacuum induction melting (VIM) was very high. In order to reduce the cost, in this paper, alloys were prepared in alkaline crucible protected with different slags by Air induction melting (AIM). The comparison was found out between VTM and ATM in the research by using optical microscope (OM), scanning electron microscope (SEM), EDS, etc. Experimental results showed that Fe-Si-B alloys can be prepared by AIM with economic and technical feasibility.

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9

Nayan, Niraj, Govind, C. N. Saikrishna, et al. "Vacuum induction melting of NiTi shape memory alloys in graphite crucible." Materials Science and Engineering: A 465, no. 1-2 (2007): 44–48. http://dx.doi.org/10.1016/j.msea.2007.04.039.

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10

Brinkmann, Frederic, Carolin Mazurek, and Bernd Friedrich. "Metallothermic Al-Sc Co-Reduction by Vacuum Induction Melting Using Ca." Metals 9, no. 11 (2019): 1223. http://dx.doi.org/10.3390/met9111223.

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Due to its enhancing properties in high-tech material applications, the rare earth element Scandium (Sc) is continuously gaining interest from researchers and material developers. The aim of this research is to establish an energy and resource efficient process scheme for an in situ extraction of Al-Sc master alloys, which offers usable products for the metallurgical industry. An AlSc20 alloy is targeted with an oxyfluoridic slag as a usable by-product. The thermochemical baseline is presented by modelling using the software tool FactSage; the experimental metal extraction is conducted in a va

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11

JARDY, A., D. GOSSET, D. ABLITZER, and S. WITZKE. "Fluid flow and mass transfer in a vacuum induction melting furnace." Le Journal de Physique IV 03, no. C7 (1993): C7–1151—C7–1156. http://dx.doi.org/10.1051/jp4:19937179.

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12

Alexander, J. "Optimizing deoxidation and desuIphurization during vacuum induction melting of alloy 718." Materials Science and Technology 1, no. 2 (1985): 167–70. http://dx.doi.org/10.1179/mst.1985.1.2.167.

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13

Holcombe, C. E., N. L. Dykes, and D. R. Masters. "Noncarbon furnace for vacuum induction melting of uranium and its alloys." Journal of Nuclear Materials 160, no. 1 (1988): 98–100. http://dx.doi.org/10.1016/0022-3115(88)90014-1.

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14

McDevitt, Erin T. "Vacuum induction melting and vacuum arc remelting of Co-Al-W-X gamma-prime superalloys." MATEC Web of Conferences 14 (2014): 02001. http://dx.doi.org/10.1051/matecconf/20141402001.

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15

Takaki, Seiichi, and Kenji Abiko. "Ultra-Purification of Electrolytic Iron by Cold-Crucible Induction Melting and Induction-Heating Floating-Zone Melting in Ultra-High Vacuum." Materials Transactions, JIM 41, no. 1 (2000): 2–6. http://dx.doi.org/10.2320/matertrans1989.41.2.

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16

LI, XIAOJIAN, HU ZHANG, and JIANGBO SHA. "EFFECT OF VACUUM INDUCTION MELTING TECHNOLOGY ON MECHANICAL PROPERTIES OF Nb-16Si-22Ti-2Al-2Hf-17Cr ALLOY." International Journal of Modern Physics B 24, no. 15n16 (2010): 2940–45. http://dx.doi.org/10.1142/s0217979210065891.

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This paper dealt with the effect of different induction melting technologies on mechanical properties of Nb -16 Si -22 Ti -2 Al -2 Hf -17 Cr alloy. The cast ingots were fabricated first by arc-melting, and then remolten in the vacuum induction furnace. The results showed that the ingot with refining process of 1800°C/15min and 0.1 at% C addition had finer microstructure and higher room-temperature fracture toughness. In addition, the compressive strength of the ingot with refining technology of 1700°C/10min was 315MPa at 1250°C. However, the arc melting ingot had the lowest fracture toughness

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17

Lin, Che Yi, Hui Yum Bor, Chao Nan Wei, and Chien Hung Liao. "Compositional Optimization of In718 Superalloy Powder for Additive Manufacturing." Materials Science Forum 941 (December 2018): 2167–72. http://dx.doi.org/10.4028/www.scientific.net/msf.941.2167.

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In this research, a composition optimized In718 superalloy powder suitable for additive manufacturing has been developed by using the vacuum induction melting gas atomization (VIGA) and the powder sieving process. VIGA which combines the vacuum induction melting (VIM) and gas atomization (GA) processes uses high pressure inert gas to atomize the metal melt formed by VIM to form metal droplets. These metal droplets are solidified to form metal powders during the falling process in the atomized chamber. After the sieving process, the mean particle size D50 of the powder is less than 35 μm and th

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18

S. Kazem, Murtadha, and Isam M. Abdulbaqi. "DESIGN OF INDUCTION COIL FOR OXYGEN FREE COPPER PRODUCTION." Journal of Engineering and Sustainable Development 25, no. 4 (2021): 51–57. http://dx.doi.org/10.31272/jeasd.25.4.5.

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This paper deals with the design of an induction coil (IC) intended to be used for an oxygen free copper production. This coil differs in design because it should be placed in a vacuum or in a chamber filled with noble gas, such as Argon. The designed coil must be suitable for melting the copper in this environment. The coil design means, using the simulation of the melting process to determine the best, coil geometry, type of crucible, the required current, frequency, the consumed power, and time required for this process. These results will be used to determine the parameters of the inductio

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19

Kamyshnykova, K., and J. Lapin. "Vacuum induction melting and solidification of TiAl-based alloy in graphite crucibles." Vacuum 154 (August 2018): 218–26. http://dx.doi.org/10.1016/j.vacuum.2018.05.017.

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20

Bai, H. B., H. R. Zhang, J. F. Weng, B. Kong, and H. Zhang. "Purification behaviour of GH4169 scraps under argon atmosphere during vacuum induction melting." Materials Research Innovations 18, sup4 (2014): S4–357—S4–362. http://dx.doi.org/10.1179/1432891714z.000000000702.

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21

Rigin, V. E., V. V. Sidorov, and V. E. Vadeev. "Chromium losses during melting of complex nickel superalloys in vacuum induction furnaces." Russian Metallurgy (Metally) 2014, no. 6 (2014): 485–88. http://dx.doi.org/10.1134/s0036029514060111.

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22

Niu, J. P., K. N. Yang, X. F. Sun, T. Jin, H. R. Guan, and Z. Q. Hu. "Denitrogenation during vacuum induction melting refining Ni base superalloy using CaO crucible." Materials Science and Technology 18, no. 9 (2002): 1041–44. http://dx.doi.org/10.1179/026708302225004784.

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23

Nazarkin, R. M., A. V. Platitsin, and E. B. Chabina. "THE INFLUENCES OF MANUFACTURING TECHNOLOGY OF THE MAGNETRON TARGETS ON THE MICROSTRUCTURE AND PHASE COMPOSITION OF Zr–Y-BASED ALLOY." Proceedings of VIAM, no. 3 (2021): 118–27. http://dx.doi.org/10.18577/2307-6046-2021-0-3-118-127.

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The Zr–Y-based alloy targets are used for spraying of heat-resisting ceramic coatings on the gas-turbine hot section components surface by the plasma-chemical deposition techniques. The comparative study of the microstructure and phase composition for target specimens, which manufactured by vacuum-induction melting or vacuum-arc melting, are performed. The patterns of change in a microstructure and a phase composition in the experimental Zr–Y-based alloy, depending of manufacturing technology are shown. The aspects which have led to transformation of microstructure and phase composition of VTs

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24

Choi, Nuri, Nokeun Park, Jin-kyung Kim, Andrey V. Karasev, Pär G. Jönsson, and Joo Hyun Park. "Influence of Manufacturing Conditions on Inclusion Characteristics and Mechanical Properties of FeCrNiMnCo Alloy." Metals 10, no. 10 (2020): 1286. http://dx.doi.org/10.3390/met10101286.

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Three CoCrFeMnNi high-entropy alloys (HEAs) were produced by vacuum induction melting, induction melting under inert gas atmosphere, and melting under inert gas atmosphere followed by air exposure, respectively. The different manufacturing conditions for the three investigated alloys resulted in different levels and types of inclusions. The alloys melted under vacuum or inert gas contained Al2O3 inclusions formed by impurity Al, due to its high oxidation tendency. The molten alloy exposed in air showed an excessive oxidation. During oxidation of the molten alloy in air, impurity Al was initial

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25

Zhang, Xiao Li, Xue Cheng Lu, Chao Ma, Chun Yan Yang, and Ruo Lei Li. "The Influence of Smelting Process on the Quality of XX Fe Based Alloy." Advanced Materials Research 664 (February 2013): 477–80. http://dx.doi.org/10.4028/www.scientific.net/amr.664.477.

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XX Fe based alloy was the raw material to make amorphous strip by means of vacuum induction melting (VIM) which cost too much. To reduce the cost, an air induction melting (AIM) method was studied in this paper. In smelting process of the experiments, two kinds of crucible and different slag were used to prepare different samples. The inclusions in the samples were studied by using optical microscope (OM), scanning electron microscope (SEM) and energy spectrum analysis (ESA).The results showed that, by using alkaline crucible and appropriate slag, inclusions in the XX Fe based alloy can be con

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26

Gao, Shengyong, Min Wang, Xiaoyu Xie, Meng Liu, and Yanping Bao. "Behavior of Nitrogen in GH4169 Superalloy Melt during Vacuum Induction Melting Using Returned Materials." Metals 11, no. 7 (2021): 1119. http://dx.doi.org/10.3390/met11071119.

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The nitrogen behavior of superalloy melt GH4169 during the vacuum induction melting (VIM) process was clarified by using different proportions of returned materials including block-shaped returned material, chip-shaped returned material, and pure materials to produce a high–purity superalloy melt and provide guidance for the purification of the superalloy melt. For the nitrogen removal during the VIM process, the denitrification rate in the refining period reached 10 ppm per hour on average, which is significantly higher than 1 ppm per hour on average in the melting period. The denitrification

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27

Dlouhý, Antonín, Kateřina Dočekalová, and Ladislav Zemčík. "Vacuum Induction Melting and Investment Casting Technologies Tailored to Near-Gamma TiAl Alloys." Materials Science Forum 539-543 (March 2007): 1463–68. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.1463.

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The present study focuses on vacuum induction melting and investment casting of neargamma TiAl intermetallic alloys. The attention is mainly given to a cost-effective melting process in which a primary alloy ingot is re-melted in a ceramic crucible and cast into a ceramic shell mould. Two types of crucibles (based on Al2O3 and Y2O3) are considered. The most detrimental reactions that govern the contamination of the molten alloy with ceramic particles were determined. Results suggest that the crucible wall attack can be considerably limited by using either the Y2O3 (with no SiO2-type binder) or

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28

Duan, Y. J., B. Chen, Y. C. Ma, and K. Liu. "Kinetics of Al Evaporation from Liquid U–Al Alloys in Vacuum Induction Melting." Journal of Materials Science & Technology 31, no. 4 (2015): 423–26. http://dx.doi.org/10.1016/j.jmst.2014.07.019.

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29

Qian, Kun, Bo Chen, Long Zhang, Zhanhui Du, and Kui Liu. "Kinetics study of nitrogen removal from liquid IN718 alloy during vacuum induction melting." Vacuum 179 (September 2020): 109521. http://dx.doi.org/10.1016/j.vacuum.2020.109521.

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30

Asano, Rei, Hiroshi Yamashita, and Norio Honjyo. "Application of the Molten Metal Leak Detection System in Vacuum Induction Melting Furnace." DENKI-SEIKO[ELECTRIC FURNACE STEEL] 78, no. 1 (2007): 65–72. http://dx.doi.org/10.4262/denkiseiko.78.65.

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31

Kawarada, Ch, N. Harima, S. Takaki, and K. Abiko. "Purification of Ti-Al Alloy by Cold-Crucible Induction Melting in Ultrahigh Vacuum." physica status solidi (a) 189, no. 1 (2002): 139–48. http://dx.doi.org/10.1002/1521-396x(200201)189:1<139::aid-pssa139>3.0.co;2-i.

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32

Lovegren, Chadbourne. "Evaluating the Risk of Corona Discharge in Superalloy Vacuum Induction Melting Furnace Applications." International Journal of Metalcasting 14, no. 4 (2019): 926–36. http://dx.doi.org/10.1007/s40962-019-00392-3.

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33

Sakamoto, Koichi, Katsuyuki Yoshikawa, Tatsuhiko Kusamichi, and Toshio Onoye. "Changes in Oxygen Contents of Titanium Aluminides by Vacuum Induction, Cold Crucible Induction and Electron Beam Melting." ISIJ International 32, no. 5 (1992): 616–24. http://dx.doi.org/10.2355/isijinternational.32.616.

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34

Golak, S., R. Przylucki, and J. Barglik. "Determination of a Mass Transfer Area during Metal Melting in a Vacuum Induction Furnace." Archives of Metallurgy and Materials 59, no. 1 (2014): 287–92. http://dx.doi.org/10.2478/amm-2014-0047.

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Abstract In the paper, a simulation model that allows for determination of the actual surface area of inductively stirred liquid metal and the value of metal near-surface velocity during its melting is presented. Also, the effects of induction furnace working frequency on both parameters are demonstrated. The simulation was performed for copper and liquid steel that were melted in two different induction furnaces. The calculation results were also used for determination of coefficients of copper mass transfer in liquid steel and of antimony mass transfer in liquid copper during their stirring

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35

Park, J. B., S. W. You, K. W. Cho, J. I. Lee, Soon Chul Ur, and Il Ho Kim. "Thermoelectric Properties of Co_1-xNb_xSb₃ Prepared by Induction Melting." Materials Science Forum 486-487 (June 2005): 554–57. http://dx.doi.org/10.4028/www.scientific.net/msf.486-487.554.

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Induction melting was attempted to prepare the undoped and Nb-doped CoSb3 compounds, and their thermoelectric properties were investigated. Single phase d-CoSb3 was successfully obtained by induction melting and subsequent annealing at 400°C for 2 hours in vacuum. The positive signs of Seebeck coefficients for all the specimens revealed that Nb atoms acted as p-type dopants by substituting Co atoms. Electrical conductivity decreased and then increased with increasing temperature, indicating mixed behaviors of metallic and semiconducting conductions. Electrical conductivity increased by Nb dopi

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36

Park, J. B., S. W. You, K. W. Cho, J. I. Lee, Soon Chul Ur, and Il Ho Kim. "Thermoelectric Properties of Co_1-xNb_xSb₃ Prepared by Induction Melting." Materials Science Forum 486-487 (June 2005): 602–5. http://dx.doi.org/10.4028/www.scientific.net/msf.486-487.602.

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Induction melting was attempted to prepare the undoped and Nb-doped CoSb3 compounds, and their thermoelectric properties were investigated. Single phase d-CoSb3 was successfully obtained by induction melting and subsequent annealing at 400°C for 2 hours in vacuum. The positive signs of Seebeck coefficients for all the specimens revealed that Nb atoms acted as p-type dopants by substituting Co atoms. Electrical conductivity decreased and then increased withincreasing temperature, indicating mixed behaviors of metallic and semiconducting conductions. Electrical conductivity increased by Nb dopin

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37

Anil Kumar, V., M. K. Karthikeyan, Rohit Kumar Gupta, et al. "Development and Characterization of 15Cr-5Ni-1W Martensitic Precipitation Hardening Stainless Steel for Aerospace Applications." Materials Science Forum 830-831 (September 2015): 15–18. http://dx.doi.org/10.4028/www.scientific.net/msf.830-831.15.

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15Cr-5Ni-1W precipitation hardening (PH) stainless steel is a martensitic PH stainless steel finding extensive use in semi-cryo engine applications. The alloy was developed through Vacuum Induction Melting (VIM) + Electro slag refining (ESR) under argon cover route. The alloy contains heavy elements like Mo, Nb, V and W totalling ~ 2 % by weight. Since the alloy is martensitic, stringent gas levels were also specified. Hence it was a challenging task to realise it without any segregation and stringent gas levels. The alloy was successfully melted through two different melt routes – (C). Electr

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38

Ohno, Reiichi. "Desulfurization and deoxidation of Cu-S-O alloy in induction melting and solidification under argon and their rates of elimination in vacuum induction melting." Metallurgical Transactions B 22, no. 4 (1991): 405–16. http://dx.doi.org/10.1007/bf02654279.

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39

Ur, Soon Chul, and Il Ho Kim. "Thermoelectric Properties of Skutterudite CoSb₃ Prepared by Encapsulated Induction Melting." Materials Science Forum 544-545 (May 2007): 921–24. http://dx.doi.org/10.4028/www.scientific.net/msf.544-545.921.

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Encapsulated induction melting was attempted to prepare binary skutterudite CoSb3 and its thermoelectric properties were investigated. Single phase δ-CoSb3 was successfully obtained by the subsequent isothermal heat treatment at 773K-873K for 24 hours in vacuum. Thermoelectric properties were changed with constituent phases because β-CoSb and Sb are metallic/semimetallic phases, while γ-CoSb2 and δ-CoSb3 are semiconducting phases. Thermoelectric properties were remarkably improved by the proper heat treatment and they were closely related to phase transitions.

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40

Crist, Ernie, Birendra Jena, Michael Jacques, Matt Dahar, Don Li, and Fusheng Sun. "Advancement of Plasma Cold-Hearth Melting for Production of Gamma Titanium Aluminide Alloys within Arconic." MATEC Web of Conferences 321 (2020): 08008. http://dx.doi.org/10.1051/matecconf/202032108008.

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Utilization of gamma titanium aluminide alloys in aerospace and automotive/industrial applications has placed significant demand on melting sources for products to be used in cast, wrought, and direct-machining applications. There is also an increased demand for input stock used in gas atomization of powders. Current technologies used in ingot manufacturing include plasma arc melting, vacuum arc melting, and induction skull melting + centrifugal casting. Subsequent processing may include forging, re-melting + casting, or machining directly into components. Over the past six years, Arconic Engi

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41

Otubo, J., O. D. Rigo, C. Moura Neto, and P. R. Mei. "The effects of vacuum induction melting and electron beam melting techniques on the purity of NiTi shape memory alloys." Materials Science and Engineering: A 438-440 (November 2006): 679–82. http://dx.doi.org/10.1016/j.msea.2006.02.171.

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42

Cegan, Tomas, Daniel Petlak, Katerina Skotnicova, Jan Jurica, Bedrich Smetana, and Simona Zla. "Metallurgical Preparation of Nb–Al and W–Al Intermetallic Compounds and Characterization of Their Microstructure and Phase Transformations by DTA Technique." Molecules 25, no. 8 (2020): 2001. http://dx.doi.org/10.3390/molecules25082001.

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The possibilities of metallurgical preparation of 40Nb-60Al and 15W-85Al intermetallic compounds (in at.%) by plasma arc melting (PAM) and vacuum induction melting (VIM) were studied. Both methods allow easy preparation of Nb–Al alloys; however, significant evaporation of Al was observed during the melting, which affected the resulting chemical composition. The preparation of W–Al alloys was more problematic because there was no complete re-melting of W during PAM and VIM. However, the combination of PAM and VIM allowed the preparation of W–Al alloy without any non-melted parts. The microstruc

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43

Takaki, Seiichi, and Kenji Abiko. "Purification of Cobalt, Nickel, and Titanium by Cold-Crucible Induction Melting in Ultrahigh Vacuum." MATERIALS TRANSACTIONS 47, no. 1 (2006): 156–61. http://dx.doi.org/10.2320/matertrans.47.156.

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44

Halder, Chandan, Lakshmi Prasanna Kuppili, Saurabh Dixit, Snehanshu Pal, and Sanjay Kumar Jha. "Bi-objective Optimization of Maraging Steel Produced by Vacuum Induction Melting Using Evolutionary Algorithms." Transactions of the Indian Institute of Metals 74, no. 5 (2021): 1193–201. http://dx.doi.org/10.1007/s12666-020-02153-x.

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45

Lian, K. L., Shuang Shii Lian, Y. H. Chen, S. C. Chu, and Sheng Tsao. "Modelling the Effects of Material Property and Dimension on the Heating of Silicon with Induction Directional Casting Furnace." Key Engineering Materials 479 (April 2011): 132–42. http://dx.doi.org/10.4028/www.scientific.net/kem.479.132.

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Directional Casting of silicon is a cost effective process to grow multi-crystalline Si ingots for wafers of solar cells. An appropriate melting process of polycrystalline silicon is closely related to the material properties and the size of graphite susceptors. These parameters have great influence not only on the melting temperature of silicon melt but also on the efficiency of induction heating, impurity distribution, dendrite and the direction of crystalline grains, which ultimately affect the properties of the solar cells. Therefore, in order to obtain good quality and energy efficiency o

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Yin Yan, 尹燕, 董开基 Dong Kaiji, 李治恒 Li Zhiheng, 李志慧 Li Zhihui, 柴旭天 Chai Xutian та 张瑞华 Zhang Ruihua. "激光熔覆用Fe-Cr合金粉末的紧耦合真空气雾化制备技术". Chinese Journal of Lasers 48, № 14 (2021): 1402014. http://dx.doi.org/10.3788/cjl202148.1402014.

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Sung, Si Young, Bong Jae Choi, and Young Jig Kim. "Synthesis and Forming of Titanium Matrix Composites by Casting Route." Key Engineering Materials 334-335 (March 2007): 297–300. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.297.

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The aim of this study is to evaluated the possibility of the in-situ synthesized (TiC+TiB) reinforced titanium matrix composites (TMCs) for the application of structural materials. In-situ synthesis and casting of TMCs were carried out in a vacuum induction melting furnace with Ti and B4C. The synthesized TMCs were characterized using scanning electron microscopy, an electron probe micro-analyzer and transmission electron microscopy, and evaluated through thermodynamic calculations. The spherical TiC plus needle-like and large, many-angled facet TiB reinforced TMCs can be synthesized with Ti a

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Niu, Jian Ping, and Zhuang Qi Hu. "Investigation on Denitrogenation Technology and Mechanism during VIM Refining Ni-Base Superalloy." Advanced Materials Research 284-286 (July 2011): 2433–36. http://dx.doi.org/10.4028/www.scientific.net/amr.284-286.2433.

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The denitrogenation technology and mechanism of a new kind of Ni-base superalloy during vacuum induction melting (VIM) were studied. The nitrogen content could be reduced from 0.0005% to 0.0002% by this technology. The calculated interaction coefficient of Ti with N () is about -0.38, and the activity coefficient of N () is 0.714. The denitrogenation mechanism was discussed through the calculation of the reaction ratio constants and .

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Nakajima, Tadahito, Yukitoshi Morimoto, Seiichi Takaki, and Kenji Abiko. "Purification of Ti–Al Alloys by Induction-Heating Floating-Zone Melting and Cold-Crucible Melting in Ultra-High Vacuum." Materials Transactions, JIM 41, no. 1 (2000): 22–27. http://dx.doi.org/10.2320/matertrans1989.41.22.

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Xu, Yang Tao, Tian Dong Xia, Wen Jun Zhao, and Xi Jing Wang. "Corrosion Behavior of Cobalt-Based Stellite 6 Alloy by Combustion Synthesis and Vacuum Induction Melting." Advanced Materials Research 317-319 (August 2011): 1891–95. http://dx.doi.org/10.4028/www.scientific.net/amr.317-319.1891.

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Cobalt-based Stellite 6 alloy rely primarily on carbides, forming in the Co matrix and grain boundaries, for their strength and the distribution, size and shape of carbides depend on processing conditions. We have employed microstructure and corrosion behavior of Stellite 6 by combustion synthesis and vacuum induction melting with scanning electron microscopy, electron probe microscopy analysis. The results show that there are significant uniformity on microstructure and corrosion behavior of Stellite 6 by different techniques. The combustion synthesis has more advantages over conventional man

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