Relevant bibliographies by topics / Single-Crystal casting

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  1. Journal articles

Academic literature on the topic 'Single-Crystal casting'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Single-Crystal casting"

1

Toloraya, V. N., and G. A. Ostroukhova. "Production of single-crystal seeds [001] from nickeltungsten alloys by directional crystallization." Voprosy Materialovedeniya, no. 2(106) (August 1, 2021): 55–65. http://dx.doi.org/10.22349/1994-6716-2021-106-2-55-65.

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The problem of obtaining priming materials from Ni-W alloys arose in connection with the development of technology for casting single-crystal turbine blades of gas turbine engines (GTE) from hightemperature alloys. This technology uses a seed method for producing single-crystal castings with a crystallographic orientation [001] using seedings from alloys of the Ni-W system with a melting point 120–140°C higher than the casting alloy. The use of such primers greatly simplifies the casting process of turbine blades with a single-crystal structure, increases its reliability both in pass-through f
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2

Xu, Qing Yan, Bai Cheng Liu, Zuo Jian Liang, Jia Rong Li, Shi Zhong Liu, and Ha Llong Yuan. "Modeling of Unidirectional Growth in a Single Crystal Turbine Blade Casting." Materials Science Forum 508 (March 2006): 111–16. http://dx.doi.org/10.4028/www.scientific.net/msf.508.111.

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Single crystal superalloy turbine blade are widely used in aero-engineering. However, there are often grain defects occurring during the fabrication of blade by casting. It is important to study the formation of microstructure related defects in turbine blades. Single crystal blade sample castings of a nickel-base superalloy were produced at different withdrawal rates by the directional solidification process and investment casting. There was a difference between the microstructure morphology at the top part of the turbine blade sample castings and the one at the bottom. Higher withdrawal rate
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3

Yu, K. O., J. A. Oti, and W. S. Walston. "Investment casting of NiAl single-crystal alloys." JOM 45, no. 5 (1993): 49–51. http://dx.doi.org/10.1007/bf03223220.

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4

Jin, H. P., Jia Rong Li, and Shi Zhong Liu. "Simulation of the Solidification Parameters of Single Crystal Casting." Materials Science Forum 638-642 (January 2010): 2251–56. http://dx.doi.org/10.4028/www.scientific.net/msf.638-642.2251.

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The effects of thermal physical parameters and boundary conditions on investment solidification parameters were obtained using a computer simulation system. Directional solidification parameters of single crystal superalloy include the temperature distribution, the position and the shape of the solid/liquid interface in the mushy zone of the solidifying blade casting. Commercial finite-element analysis software, ProCAST, was used to simulate the solidification processes of the castings of single crystal DD6. The simulation results indicate that the predictions of the temperature show little se
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5

Gancarczyk, Kamil, Maciej Zubko, Aneta Hanc-Kuczkowska, et al. "The Effect of Withdrawal Rate on Crystal Structure Perfection, Microstructure and Creep Resistance of Single Crystal Castings Made of CMSX-4 Nickel-Based Superalloy." Materials 12, no. 20 (2019): 3422. http://dx.doi.org/10.3390/ma12203422.

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This study focuses on the evaluation of the crystal structure perfection in the single crystal made of CMSX-4 nickel superalloy and its effect on creep resistance. Single crystal castings were manufactured by directional solidification process at the withdrawal rate of 1, 3, 5 and 7 mm/min. Light (LM) and electron (SEM, TEM) microscopy, X-ray diffraction and Mossbauer spectroscopy were used for evaluation of the microstructure and crystal structure perfection. Castings were also subjected to creep tests. The best creep resistance was obtained for the casting manufactured at the withdrawal rate
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6

Angel, Nicole Marie, and Amrita Basak. "On the Fabrication of Metallic Single Crystal Turbine Blades with a Commentary on Repair via Additive Manufacturing." Journal of Manufacturing and Materials Processing 4, no. 4 (2020): 101. http://dx.doi.org/10.3390/jmmp4040101.

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The turbine section of aircraft engines (both commercial and military) is an example of one of the most hostile environments as the components in this section typically operate at upwards of 1650 °C in the presence of corrosive and oxidative gases. The blades are at the heart of the turbine section as they extract energy from the hot gases to generate work. The turbine blades are typically fabricated using investment casting, and depending on the casting complexity, they generally display one of the three common microstructures (i.e., equiaxed or polycrystalline, directionally solidified, and
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7

Pan, Dong, Qing Yan Xu, and Bai Cheng Liu. "Numerical Simulation of Grain Selection Behavior of Single Crystal Ni3Al Based Superalloy Casting." Materials Science Forum 654-656 (June 2010): 1482–85. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.1482.

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Ni3Al based superalloy has recently been used for the single crystal gas turbine blade. The grain selection behavior in grain selector directly determines the casting’s final microstructure and properties. A mathematical model based on the modified CA-FD method was developed for the three-dimensional simulation of directional solidification process of Ni3Al based single crystal superalloy castings. The microstructure evolution was simulated with the modified Cellular Automaton method. The grain selection process in the grain selector and final microstructure of casting were simulated. The resu
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8

Erickson, Gary L. "A new, third-generation, single-crystal, casting superalloy." JOM 47, no. 4 (1995): 36–39. http://dx.doi.org/10.1007/bf03221147.

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9

Ding, Wan Qiu. "Innovative Casting Methods for Single Crystal Turbine Blades." Materials Science Forum 1032 (May 2021): 178–85. http://dx.doi.org/10.4028/www.scientific.net/msf.1032.178.

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This report outlines a succinct analysis of the contemporary casting methods in single-crystal turbine blades. Furthermore, this paper also provides an examination of the solidification procedure in mixed turbine blades. The couple cooling and heating operation system was advanced to obtain identical thermal positions for single crystal (SC) solidification in the blade group, thereby significantly diminishing the associated flaws in the contemporary Bridgman process. The chemistry science of Nickel based alloys planed for single crystal (SC) gas turbine blades has been notably improved upon, e
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10

Kounitzky, A., J. Wortmann, and P. N. Agarwal. "A single crystal casting process for high-temperature components." Materials & Design 12, no. 6 (1991): 323–30. http://dx.doi.org/10.1016/0261-3069(91)90074-e.

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