Equiaxed crystals are crystals that have axes of approximately the same length. Equiaxed grains can in some cases be an indication for recrystallization[1]...
610 bytes (75 words) - 05:28, 19 October 2023
Ingot (section Single crystal)
cools and forms either a columnar structure or possibly a "chill zone" of equiaxed dendrites, depending upon the liquid being cooled and the cooling rate...
10 KB (1,163 words) - 19:11, 24 March 2024
technique used to provide uniformity in grain size and composition (equiaxed crystals) throughout an alloy. The term is often used for ferrous alloys that...
45 KB (5,793 words) - 01:06, 29 March 2024
needle-like crystal that grows in a shape-preserving manner at constant velocity. Nucleation and growth determine the grain size in equiaxed solidification...
8 KB (1,129 words) - 14:01, 25 June 2024
Palazotto, Anthony N. (2015), "Computational Modeling of the Effect of Equiaxed Heterogeneous Microstructures on Strength and Ductility of Dual Phase Steels"...
6 KB (598 words) - 13:21, 1 February 2023
its success from the columnar growth of the beta phase followed by the equiaxed growth of the alpha phase and alloying with boron is compromised by the...
12 KB (1,500 words) - 16:04, 6 September 2023
dots would be atoms in a small crystal, see also note. Note the strong dependence on the relative orientation of the crystal and the incoming wave. Close...
141 KB (15,530 words) - 01:34, 15 June 2024
titanium alloy commonly exists in alpha, with hcp crystal structure, (SG : P63/mmc) and beta, with bcc crystal structure, (SG : Im-3m) phases. While mechanical...
14 KB (1,271 words) - 13:06, 2 July 2024
in the form of abnormally large grains existing in a matrix of finer, equiaxed anatase or rutile grains. Alumina, Al2O3 with silica and/or yttria dopants/impurities...
8 KB (891 words) - 13:11, 16 May 2024
development started on replacing the initial production equiaxed blades with single-crystal ones which last longer at high temperatures. Sand ingestion...
11 KB (1,354 words) - 03:41, 19 June 2024
ASTM E 562; manual grain size measurements are described in ASTM E 112 (equiaxed grain structures with a single size distribution) and E 1182 (specimens...
19 KB (2,373 words) - 09:07, 5 December 2023
4, whereby abnormally large elongated grains form in a matrix of finer equiaxed grains and can serve as a technique to enhance fracture toughness in this...
43 KB (4,712 words) - 04:16, 11 June 2024
3, 4, 5, 6A, 6B, 7, and 8) Materials Science Laboratory - Columnar-to-Equiaxed Transition in Solidification Processing and Microstructure Formation in...
203 KB (14,125 words) - 15:59, 9 May 2024
growth, in which certain grains grow very large within a matrix of finer equiaxed grains. This abnormal grain growth (AGG) has significant consequences on...
4 KB (351 words) - 20:08, 20 December 2022
stage. Blades made from equiaxed GTD-111 are being used in later stages. EPM-102 (MX4 (GE), PWA 1497 (P&W)) is a single crystal superalloy jointly developed...
31 KB (3,769 words) - 00:56, 21 March 2024
cracking of turbine vanes and blades made from conventionally cast (i.e. equiaxed) Mar-M200, the strongest cast nickel-base alloy, was avoided by the development...
28 KB (3,373 words) - 09:39, 2 July 2024
anisotropic properties. Finally, in the center the equiaxed zone contains spherical, randomly oriented crystals. These are desirable because they have isotropic...
47 KB (6,249 words) - 21:50, 13 June 2024
mechanical properties to a level of noticeable difference in comparison to equiaxed cast or wrought materials. Based on research done at the Tokyo Metropolitan...
59 KB (7,059 words) - 16:42, 5 July 2024
annealing below the phase transition temperature (α-Zr to β-Zr) the grains are equiaxed with sizes varying from 3 to 5 μm. Zircaloy 1 was developed after Zirconium...
41 KB (4,650 words) - 14:21, 31 May 2024
by investment casting can include single-crystal (SX), directionally solidified (DS), or conventional equiaxed blades. Investment casting is also widely...
26 KB (3,189 words) - 23:48, 5 November 2023
complex stress state or high shear, resulting in a high defect density and equiaxed "ultrafine" grain (UFG) size (d < 1000 nm) or nanocrystalline (NC) structure...
29 KB (3,518 words) - 10:05, 28 June 2024
differential thermal analysis. Materials Science Laboratory - Columnar-to-Equiaxed Transition in Solidification Processing (CETSOL) and Microstructure Formation...
12 KB (1,463 words) - 18:23, 27 April 2024
shape are operated by diffusion. The grain boundary migrates to form an equiaxed shape with a new orientation compared to the original grains. The dislocation...
35 KB (5,237 words) - 12:41, 12 February 2024
transport and surface growth processes on protein crystal perfection (PCDF/PROTEIN) Columnar-to-Equiaxed Transition in Solidification Processing and Microstructure...
51 KB (3,934 words) - 15:38, 18 March 2023