Tada Shiawasena Isekai Kazoku Seikatsu - Vol. 3 Ch. 15 - Metal Survey!

[MangaDex]

 

[elmurdoc]

More please 😁😁

 

[BlackAeronaut]

"UNCLE"!?

Awwww shit, here we go now...

 

[Superpeanut]

This isn’t going to go well ahahah… thanks for the chapter!

 

[KerNes]

She's gonna be another waifu for the MC, isn't she?

 

[Qwaser5r]

"Uncle"?!

That's unexpected

 

[blaqhawq]

Enter: the main love interest who's surprisingly smart for their age

 

[berryoragami]

Thanks for the chapter!

 

[feha]

Question for any lurking blacksmiths.
How difficult would it be to create gold leaf with medieval tools and skills?
Particularly, how would they go about avoid it welding itself onto the tools used to process it? Iirc gold leaf was notoriously "sticky" in how it wants to weld to other metals without much pressure needed. Or was that only an issue when it was in contact with another gold leaf, and not something problematic for the iron/steel of hammers or the anvil it's resting on?

 

[Nitronic0]

Nice to see that another group picked this up, you guys have done a wonderful job.

 

[piay123]

Question for any lurking blacksmiths.
How difficult would it be to create gold leaf with medieval tools and skills?
Particularly, how would they go about avoid it welding itself onto the tools used to process it? Iirc gold leaf was notoriously "sticky" in how it wants to weld to other metals without much pressure needed. Or was that only an issue when it was in contact with another gold leaf, and not something problematic for the iron/steel of hammers or the anvil it's resting on?

Not a blacksmith, but according to google ancient Egyptians and Grecians were using it to decorate tombs and statues, so it seems possible.

 

[w1987g]

She's gonna be another waifu for the MC, isn't she?

I'm not sure if the banjos will be playing soon. My guess is that she'll become the older sister, and she learns how to become a leader from MC

 

[Kaiser92]

She's gonna be another waifu for the MC, isn't she?

sweet home isekai Alabama

 

[Kaiser92]

Question for any lurking blacksmiths.
How difficult would it be to create gold leaf with medieval tools and skills?
Particularly, how would they go about avoid it welding itself onto the tools used to process it? Iirc gold leaf was notoriously "sticky" in how it wants to weld to other metals without much pressure needed. Or was that only an issue when it was in contact with another gold leaf, and not something problematic for the iron/steel of hammers or the anvil it's resting on?

Seems doable with med tech, just really labor and time intensive, author must have figured nobody want to read about such 'technical' process.

 

[HDMI1]

Her mother is probably the sister of the MC's father. I doubt they are going to play the "brother of the King, born from the previous King's mistress" card.

 

[Grikath]

Question for any lurking blacksmiths.
How difficult would it be to create gold leaf with medieval tools and skills?
Particularly, how would they go about avoid it welding itself onto the tools used to process it? Iirc gold leaf was notoriously "sticky" in how it wants to weld to other metals without much pressure needed. Or was that only an issue when it was in contact with another gold leaf, and not something problematic for the iron/steel of hammers or the anvil it's resting on?

A blacksmith wouldn't make gold leaf, period...

Gold doesn't "weld" to metal. You wouldn't be able to work it if it did.. At the thinness of gold leaf it does become extremely sensitive to static electricity, which does make it stick to a lot of stuff.
When gilding with it, you're actually rubbing it into the ( at that scale ) extremely rough surface of the object you're gilding, making use of the static efect, and all the bumps and grooves of the surface.
Which is where the highly polished bone/ivory tools and soft cloths come in.

And while there's several techniques in making the stuff, the oldest that's known is with saturated mercury.
Mercury dissolves gold, and you can roll/wash gold-saturated mercury over a flat polished surface to deposit a layer of gold, which when thick enough becomes gold leaf.
( and no, for f*cks sake, don't try that one at home, or at least in the open air with the wind in your back... Mercury fumes are dangerous, debilitating (mentally and physically), and ultimately lethal, m'kayyy...)
You can easily spot the civilisations that knew the trick.. They all have records in some form a Divine/Magical metal, and stories of whole palaces covered in gold.. Plus the odd emperor that got insane because of it, or wanted to be buried with/in it
It's kinda funny how it took us a bit to work up to copper and bronze, but peeps already knew how to muck around with gold and mercury in the late stone age.

But when it comes to the story here, and the kid immediately jumping to galvanised steel....
Honestly.. Steel.... difficult enough to make as it is with primitive methods, even if you know exactly what you're doing.
Galvanising it requires acid baths and electrolysis. Or something hot enough to vapourise tin , and acid baths...
There's a damn big difference between knowing of something, and actually making it...
And this is really taking the piss...

 

[feha]

... Gold doesn't "weld" to metal. ...

Fairly sure this is untrue. Even a quick google reaffirms about how gold is known to weld easily enough that if you stack a large enough amount of gold coins and leave them for long enough, you will find the bottom coins having fused together.
It does appear to be mostly that it is less likely to fuse to steel (and other non-gold metals), that enables the formation of gold leaf with a hammer.

Wikipedia even makes a special mention of gold in the article of "cold welding", where it describes leaf flattened to nanoscale thinness welding within seconds from contact alone.

As for why gold is notorious about this, is because it reputedly doesn't form an oxide layer.

...

...

And finally located the original source of why I thought gold leaf welds. Cody's lab at around 3 minutes he discusses stickiness, and then mentions that with some pressure it actually welds.

 

[Grikath]

Yes... That's gold-on-gold... Or for that matter any metal if there's no oxide layer and sufficient pressure at a given temperature. Gold, being as soft as it is, and having no oxide layer can do so at room temperature at moderate pressures.
You can do lead, tin and zinc at about 50 centigrade with some hammering after you've sanded the surface. It's how classic rolled/felsed joints are made in pipes and gutters.
But that's connections with the same metal. Fusing/welding different metals together is quite another beast. And any amount of oxide makes the process fail to begin with.

But the easiest way to to know and prove gold leaf doesn't weld to other metals is because it flakes off over time. Different expansion coefficients makes it break up and fall off.
If it were welded to the base metal it wouldn't come off...
Except copper and silver.. Those make alloys with gold, and gilded/plated copper and silver objects will actually absorb the gold on the surface over time.

 

[Shinigamisama]

I assume that girl will be his waifu. And he'll become king or something.