READ ME File For 'Dataset of PhD Thesis'

Dataset DOI: 10.5258/SOTON/D2087

ReadMe Author: Donghyuk Kim, orcid.org/0000-0003-3305-8324

This dataset supports the thesis entitled 'Influences of microstructure and oxidation processes on fatigue failure mechanisms in advanced turbine disc Ni-based superalloy'
AWARDED BY: Univeristy of Southampton
DATE OF AWARD: January, 2022


Data supporting the aformentioned thesis in excel files.

This dataset contains dataset of some figures in this PhD thesis:

Figure 3.3 Morphology of γʹ particles of RR1000 (a) fine γʹ (b) coarse γʹ; statistics of size distribution of (c) fine γʹ and (d) coarse γʹ with mean value and standard deviation.

Figure 4.13 Crack length (a) versus loading cycles (N) tested at 110% yield stress for (a) fine γʹ_1 (b) fine γʹ_2 (c) coarse γʹ (note: fine γʹ_1 and 2 denote two different tests).

Figure 4.14 FCG rate (da/dN) vs ΔK of short FCG tests on the both γʹ variants (fine γʹ variant consists of fine γʹ_1 and fine γʹ _2).

Figure 6.10 FCG rates on fine and coarse γʹ microstructure variants in terms of da/dN vs ΔK found with different testing frequencies at a temperature of (a) 650 oC and (b) 725 oC.

Figure 6.23 Sa and Sq of dwell fatigue tests with a range of loading frequency at 650 oC by (a) Alicona optical focussing techniques (b) SEM-MeX. 

Figure 6.29 PD value over time of the block tests on the fine γʹ variant showing two transitions.

Figure 6.30 PD value over time of the block tests on the coarse γʹ variant showing two transitions.

Figure 6.31 FCG rates verses ΔK of the block test of (a) the fine γʹ variant (b) the coarse γʹ variant at 650 oC.

Figure 6.38  PD value vs time of the fatigue tests with a 90s dwell of (a) the fine γʹ variant (b) the coarse γʹ variant at 650 oC and (c) the fine γʹ variant (d) the coarse γʹ variant at 725 oC. 



Date of data collection: from October 2017 to January 2022

Information about geographic location of data collection: University of Southampton, U.K.

Licence:


Related projects/Funders:
Engineering and Physical Sciences Research Council (Grant No. EP/M000710/1)

Related publication:
D. Kim, R. Jiang, A. Evangelou, I. Sinclair, P.A.S. Reed, Effects of γʹ size and carbide 
distribution on fatigue crack growth mechanisms at 650 °C in an advanced Ni-based 
superalloy, Int. J. Fatigue. 145 (2021). doi:10.1016/j.ijfatigue.2020.106086.


Date that the file was created: January 2022