Diamond - Revision history

Apm: /* When is diamond a bad choice? */

2023-11-21T06:12:00Z

When is diamond a bad choice?

← Older revision		Revision as of 08:12, 21 November 2023
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	Encapsulated water may be an option here.		Encapsulated water may be an option here.

	'''Diamond is combustible especially if ~~fine~~ structured.''' <br>		'''Diamond is combustible especially if finely structured.''' <br>
	[[Moissanite]] is better as it forms a protective SiO2 molten glass layer when combusion is attempted. <br>		[[Moissanite]] is better as it forms a protective SiO2 molten glass layer when combusion is attempted. <br>
	Oxidic gemstones ([[salts of oxoacids]]) are already in a combusted state so can't combust.		Oxidic gemstones ([[salts of oxoacids]]) are already in a combusted state so can't combust.

2023-11-21T06:11:25Z

When is diamond a bad choice?: heat capacity

← Older revision		Revision as of 08:11, 21 November 2023
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	Thermally insulating minerals are usually rather soft. Serpentines & clays. <br>		Thermally insulating minerals are usually rather soft. Serpentines & clays. <br>
	Finding good compromises is an engineering challenge. Quartz & garnets. <br>		Finding good compromises is an engineering challenge. Quartz & garnets. <br>

			'''Diamond has a very low heat capacity.''' <br>
			Encapsulated water may be an option here.

	'''Diamond is combustible especially if fine structured.''' <br>		'''Diamond is combustible especially if fine structured.''' <br>

2023-11-21T06:09:50Z

When is diamond a bad choice?: rocket engines and nuclear power

← Older revision		Revision as of 08:09, 21 November 2023
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	Loss of passivation and welding may become an issue. Stronger than hydrogen bonding fluorine may help a bit. <br>		Loss of passivation and welding may become an issue. Stronger than hydrogen bonding fluorine may help a bit. <br>
	Generally nanostructures at the limits of operable temperatures will likely need to be more crude and blocky. <br>		Generally nanostructures at the limits of operable temperatures will likely need to be more crude and blocky. <br>
			Only a few obvious application cases like [[rocket engines]] and [[nuclear power]].

	'''Electric conductivity:''' <br>		'''Electric conductivity:''' <br>

2023-11-21T06:07:28Z

When is diamond a bad choice?: fixed link

← Older revision		Revision as of 08:07, 21 November 2023
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	'''Diamond is combustible especially if fine structured.''' <br>		'''Diamond is combustible especially if fine structured.''' <br>
	[[Moissanite]] is better as it forms a protective SiO2 molten glass layer when combusion is attempted. <br>		[[Moissanite]] is better as it forms a protective SiO2 molten glass layer when combusion is attempted. <br>
	Oxidic gemstones ([[salts of oxoacids)]] are already in a combusted state so can't combust.		Oxidic gemstones ([[salts of oxoacids]]) are already in a combusted state so can't combust.

	'''Diamond has limited high temperature stability as thermodynamic equilibrium favors graphite.''' <br>		'''Diamond has limited high temperature stability as thermodynamic equilibrium favors graphite.''' <br>

2023-11-21T06:06:42Z

added section == When is diamond a bad choice? ==

@@ Line 83: / Line 83: @@
 Related: "[[Surface passivation]]"<br>
 Wikipedia: [https://en.wikipedia.org/wiki/Acid_dissociation_constant Acid_dissociation_constant]
 == Related ==

2022-09-28T14:35:03Z

External Links: added link

← Older revision		Revision as of 16:35, 28 September 2022
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	Synthetic:		Synthetic:
	* Wikipedia: [https://en.wikipedia.org/wiki/Diamond-like_carbon Diamond-like carbon]		* Wikipedia: [https://en.wikipedia.org/wiki/Diamond-like_carbon Diamond-like carbon]
			* Wikipedia: [https://en.wikipedia.org/wiki/Synthetic_diamond#Chemical_vapor_deposition Synthetic diamond => Chemical vapor deposition]

	[[Category:Base materials with high potential]]		[[Category:Base materials with high potential]]

2022-09-28T14:33:28Z

External Links: added link to Wikipedia page about DLC carbon

← Older revision		Revision as of 16:33, 28 September 2022
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	* Wikipedia: [https://en.wikipedia.org/wiki/Bort Bort]		* Wikipedia: [https://en.wikipedia.org/wiki/Bort Bort]
	* Wikipedia: [https://en.wikipedia.org/wiki/Carbonado Carbonado]		* Wikipedia: [https://en.wikipedia.org/wiki/Carbonado Carbonado]

			Synthetic:
			* Wikipedia: [https://en.wikipedia.org/wiki/Diamond-like_carbon Diamond-like carbon]

	[[Category:Base materials with high potential]]		[[Category:Base materials with high potential]]

2021-07-01T13:05:36Z

← Older revision		Revision as of 15:05, 1 July 2021
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	[[File:Diamond-39513.jpg \|600px\|thumb\|right\|A rough natural diamond. Found in south africa. Attribution: Rob Lavinsky, [https://www.irocks.com/ iRocks.com] – CC-BY-SA-3.0]]		[[File:Diamond-39513.jpg \|600px\|thumb\|right\|A rough natural diamond. Found in south africa. <br>Attribution: Rob Lavinsky, [https://www.irocks.com/ iRocks.com] – CC-BY-SA-3.0]]

	= Why is there a focus on diamond? =		= Why is there a focus on diamond? =

2021-07-01T13:05:11Z

added image

← Older revision		Revision as of 15:05, 1 July 2021
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			[[File:Diamond-39513.jpg \|600px\|thumb\|right\|A rough natural diamond. Found in south africa. Attribution: Rob Lavinsky, [https://www.irocks.com/ iRocks.com] – CC-BY-SA-3.0]]

	= Why is there a focus on diamond? =		= Why is there a focus on diamond? =

2021-06-23T08:53:57Z

Why is there a focus on diamond?

← Older revision		Revision as of 10:53, 23 June 2021
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	Diamond (and it's hexagonal form [[lonsdaleite]]) <br>		Diamond (and it's hexagonal form [[lonsdaleite]]) <br>
	is one of the [[base materials with high potential]].		is one of the [[base materials with high potential]].

			[[Moissanite]] (diamond with every second atom replaced with silicon) <br>
			might be even better for some applications due to it's even higher heat resistance.

	== If one of the most difficult materials is possible it follows that many less difficult ones are too ==		== If one of the most difficult materials is possible it follows that many less difficult ones are too ==