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Author Topic: Magma-safety of ceramics  (Read 4780 times)

Quantumtroll

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Magma-safety of ceramics
« on: October 06, 2011, 03:39:21 pm »
Are earthenware, stoneware, or porcelein blocks magma-safe? I can't seem to find anything on the wiki, and my fortress isn't in a state where I can make experiment myself.
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UristMcHuman

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Re: Magma-safety of ceramics
« Reply #1 on: October 06, 2011, 03:46:31 pm »
You'll have to try yourself. Make a 1x1x1 lava hole and dump a chunk of the stuff down it.
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DS

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Re: Magma-safety of ceramics
« Reply #2 on: October 06, 2011, 03:48:59 pm »
From experience, I can tell you that earthenware is not fire-safe.
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Jelle

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Re: Magma-safety of ceramics
« Reply #3 on: October 06, 2011, 04:10:02 pm »
All constructions are still immune to deterioration aren't they? If it's still the case anything you make out of the blocks should be good, so long as you don't throw the actual blocks themselves into magma.
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Tevish Szat

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Re: Magma-safety of ceramics
« Reply #4 on: October 06, 2011, 04:19:18 pm »
Indeed, as far as I know you can still build a constructed magma reservoir out of solid ice.
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khearn

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Re: Magma-safety of ceramics
« Reply #5 on: October 06, 2011, 05:23:21 pm »
But can you pump magma with a pump constructed with a wood block?
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Melissia

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Re: Magma-safety of ceramics
« Reply #6 on: October 06, 2011, 05:26:11 pm »
Quote from: khearn on October 06, 2011, 05:23:21 pm
But can you pump magma with a pump constructed with a wood block?
No, because when you use it to make a screw pump it becomes furniture rather than a construction.
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krenshala

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Re: Magma-safety of ceramics
« Reply #7 on: October 06, 2011, 08:43:08 pm »
The wooden pump will pump magma ... for the short time before it becomes a !!screw pump!! and deconstructs, that is.
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Re: Magma-safety of ceramics
« Reply #8 on: October 06, 2011, 10:32:29 pm »
Quote from: krenshala on October 06, 2011, 08:43:08 pm
The wooden pump will pump magma ... for the short time before it becomes a !!screw pump!! and deconstructs, that is.

It actually doesn't deconstruct until it becomes a !!xxScrew Pumpxx!! and finishes degrading.  Until then it works fine, but it burns rather quickly.
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Quantumtroll

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Re: Magma-safety of ceramics
« Reply #9 on: October 07, 2011, 03:39:46 am »
I guess I could have phrased the question "Can a screw pump with a stoneware block pump magma safely?"

I'll just have to wait until my fortress digs its way to the magma sea and I can try for myself.  Or simply hope for a gabbro layer underneath all the flippen schist and dacite I've been finding...
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Scruga

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Re: Magma-safety of ceramics
« Reply #10 on: October 07, 2011, 05:31:21 am »
Ever considered goblinite?
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Re: Magma-safety of ceramics
« Reply #11 on: October 07, 2011, 07:37:57 am »
Obsidian is Magma-Safe, if you have a source of water to channel down to the magma sea you can get as much as you want.
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Andux

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Re: Magma-safety of ceramics
« Reply #12 on: October 08, 2011, 07:40:39 pm »
In vanilla DF, the various ceramic materials do not have their own melting points defined; they inherit the default STONE_TEMPLATE melting point of 11500 Urist (magma is 12000U).

According to Wikipedia, fire clay (stoneware) "must withstand a minimum temperature of 1515°C (2759°F", or 12727U), well into magma-safe territory; the lowest firing temperature for earthenware is just a bit lower than DF's magma, so it should probably be magma-safe as well.

Pastebin with raws for magma-safe ceramics
« Last Edit: October 08, 2011, 11:47:05 pm by Andux »
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Girlinhat

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Re: Magma-safety of ceramics
« Reply #13 on: October 08, 2011, 07:49:35 pm »
Toady has been known to put placeholder numbers in for years at a time (see: d_init "you need 80 to receive a king").  So the raws may not allow magma safe clay, even though real life demands it.  Should be relatively easy to mod in, though, if you feel this is an oversight that needs to be corrected.
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Quantumtroll

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Re: Magma-safety of ceramics
« Reply #14 on: October 10, 2011, 03:00:36 am »
Quote from: Andux on October 08, 2011, 07:40:39 pm
In vanilla DF, the various ceramic materials do not have their own melting points defined; they inherit the default STONE_TEMPLATE melting point of 11500 Urist (magma is 12000U).

According to Wikipedia, fire clay (stoneware) "must withstand a minimum temperature of 1515°C (2759°F", or 12727U), well into magma-safe territory; the lowest firing temperature for earthenware is just a bit lower than DF's magma, so it should probably be magma-safe as well.

Pastebin with raws for magma-safe ceramics

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