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Thesis.org
23
Thesis.org
@ -357,6 +357,18 @@ I don't what it is actually.
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#+LaTeX: \pagestyle{chapter}
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* Meetings with Dr Rehan
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** Impromptu Teams call w/ Dr Rehan
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SCHEDULED: <2025-07-17 خ>
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- Chase Shameer with SE and BSE
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+ Thursday next week or the week after
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- PHD at uni?
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- SEM with Cast HIPed and some a new stellite alloy!
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* Chapters
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** Introduction
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@ -984,6 +996,17 @@ The cast Stellite 1 alloys were produced via sand castings. Spherical gas-atomiz
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# So this is SEM work
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The microstructure of the alloys were observed via scanning electron microscopy (SEM) using a back-scattered electron imaging detector (BSE), with elemental compositions of the observed phases determined via energy dispersive X-ray spectroscopy (EDS). Image analysis of BSE images was conducted to ascertain area fractions of individual phases.
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*** Description of XRD phase identification
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# https://doi.org/10.1039/C9EE00381A
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# In our samples, two phases of cobalt- face centered-cubic (fcc) and hexagonal close-packed (hcp) coexist with fcc as the predominant phase. The major diffraction peaks at 2θ values of 44.35° and 75.95° corresponding to (111) and (220) crystal planes, respectively, can be indexed as fcc-phase metallic cobalt (JCPDS File Card No. 15–0806, a = 3.5447 A˚). 10 Moreover, hcp-phase cobalt could also be detected as peaks corresponding to 41.6, 44.5, 47.6 and 75.8 related to (100), (002), (101) and (110) planes, respectively, (JCPDS File Card No. 01-071-4239, a = 2.506 A˚, c = 4.069 A˚).11
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*** Cool sentence I like
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# https://www.sciencedirect.com/science/article/pii/S0257897217302992?casa_token=whsUehaqRrkAAAAA:_WZkVyvfG2RmA-GBQ8MCOJFPw7yDVSDlxeBvbbp3epx9USJ4kuUdtLZfEXvlPhZiYR-fQO162Q
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# Additional improvements in the corrosion resistance and mechanical properties (i.e. hardness and wear resistance) of commercial Stellite hardfacing alloys is achieved either by altering the chemical composition with elements such as C, W or Mo [6], [8], [9] or by varying the deposition techniques and/or parameters [10], [11], [12].
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*** Phase analysis via XRD :ignore_heading:
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Microstructure phase analysis was performed with a Bruker Discover D8 <> X-ray diffractometer (XRD) with Cu $K_{\alpha}$ radiation ($\lambda = 1.5406 \AA$) in Bragg-Brentano $\theta:2\theta$ configuration across the diffraction angle range 20deg <> to 120deg <> with a step size of 0.00deg <>.
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eds/.ipynb_checkpoints/EDS-checkpoint.ipynb
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eds/.ipynb_checkpoints/EDS-checkpoint.ipynb
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eds/EDS.ipynb
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eds/HIPed_Stellite1/EDS_Point_Carbide1.txt
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eds/HIPed_Stellite1/EDS_Point_Carbide2.txt
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eds/HIPed_Stellite1/EDS_Point_Carbide3.txt
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eds/HIPed_Stellite1/EDS_Point_SolidSolution1.txt
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eds/HIPed_Stellite1/EDS_Point_SolidSolution2.txt
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xrd_phase/EDXS-SOP_033017.pdf
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xrd_phase/Lesson-8.pdf
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xrd_phase/hold.pdf
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xrd_phase/stellite_phases.ods
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