Pages

Jump to bottom

13 comments

1 William Barnett-Lewis  Mon, Sep 23, 2013 9:54:18am

Interesting. Thanks for the information.

Reading the alloying made me remember the Hittite documentary I watched over the weekend on Dr. Lizardo’s recommendation: the Hittites were a bronze age civilization and bronze of course is made by hardening copper with tin. Since copper and tin are almost never found together, bronze requires long distance trade. Tin was the magic ingredient and so the first king of the Hittites was described as a Lion of a man with Tin teeth. Now it would probably be steel or perhaps diamond but in the context of 1600 BC Anatolia, tin teeth would be pretty scary…

But back to jewelry, I’ll stick to silver though. Not sure why but Coin or Sterling just looks better to me.

2 freetoken  Mon, Sep 23, 2013 9:59:16am

Neat. I’ve been under the impression that gold-aluminum alloys are difficult to work with because they are brittle.

3 The Ghost of a Flea  Mon, Sep 23, 2013 10:00:54am

[Points finger]

Alchemist!

4 CuriousLurker  Mon, Sep 23, 2013 10:19:14am

Very cool.

5 Political Atheist  Mon, Sep 23, 2013 11:41:28am

re: #2 freetoken

Neat. I’ve been under the impression that gold-aluminum alloys are difficult to work with because they are brittle.

It is very brittle. But I think I can make it stronger. Like better glass. Still brittle but more durable.

6 Political Atheist  Mon, Sep 23, 2013 11:41:56am

re: #3 The Ghost of a Flea

[Points finger]

Alchemist!

Guilty as charged. :-)

7 ThomasLite  Mon, Sep 23, 2013 1:54:38pm

It’s certainly got a real charm to it. I’m guessing it would work better in real delicate objects though; anything as ‘blockish’ (sorry! wouldn’t know how else to put it) as this tends to almost make it look toy-like to me. However, earrings could be fantastic.
When you say it’s too delicate, does it bend or does it break?

8 Political Atheist  Mon, Sep 23, 2013 2:37:42pm

re: #7 ThomasLite

It’s certainly got a real charm to it. I’m guessing it would work better in real delicate objects though; anything as ‘blockish’ (sorry! wouldn’t know how else to put it) as this tends to almost make it look toy-like to me. However, earrings could be fantastic.
When you say it’s too delicate, does it bend or does it break?

It breaks like glass. Inter metallic structure. It’s never supposed to be a ring, the idea is pendants and earrings only. The ring was made for testing crush strength. And to have more surface area to examine.

9 Grimalkin  Mon, Sep 23, 2013 4:07:35pm

I WANT, I WANT, I WANT!
Checks pocket, bottom of purse, couch cushions, arm chairs, change dish and under the seats in the car, uhh never mind I’m still broke.

10 Dancing along the light of day  Mon, Sep 23, 2013 7:14:54pm

Very beautiful! I hope is the next HOT thing!

11 John Vreeland  Mon, Sep 23, 2013 9:58:54pm

It’s not an alloy in the usual sense of the word. In an alloy the two metals randomly fill spots in the crystal lattice, and no particular bond is favored so the rows of atoms can easily slide over each other. But this is an intermetallic compound, AuAl2, in which each gold atom is locked to two particular aluminum atoms, yielding a basic crystal unit that is not very strong but tends not to slide, so it just gives catastrophically. There isn’t much you can do about it. Maybe try reinforcing fiberglass fibers?

12 Political Atheist  Tue, Sep 24, 2013 8:30:36am

re: #11 John Vreeland

It’s not an alloy in the usual sense of the word. In an alloy the two metals randomly fill spots in the crystal lattice, and no particular bond is favored so the rows of atoms can easily slide over each other. But this is an intermetallic compound, AuAl2, in which each gold atom is locked to two particular aluminum atoms, yielding a basic crystal unit that is not very strong but tends not to slide, so it just gives catastrophically. There isn’t much you can do about it. Maybe try reinforcing fiberglass fibers?

In a way, but think grain refining with a higher temperature element. At this point Ru and Pt/Ir are the trials. Plus I hope the design constraints are kept! No rings.

13 ThomasLite  Tue, Sep 24, 2013 1:04:50pm

re: #8 Political Atheist

It breaks like glass. Inter metallic structure. It’s never supposed to be a ring, the idea is pendants and earrings only. The ring was made for testing crush strength. And to have more surface area to examine.

Ah okay, so no really thin slices either? shame. Still, pretty stuff :)


This page has been archived.
Comments are closed.

Jump to top

Create a PageThis is the LGF Pages posting bookmarklet. To use it, drag this button to your browser's bookmark bar, and title it 'LGF Pages' (or whatever you like). Then browse to a site you want to post, select some text on the page to use for a quote, click the bookmarklet, and the Pages posting window will appear with the title, text, and any embedded video or audio files already filled in, ready to go.
Or... you can just click this button to open the Pages posting window right away.
Last updated: 2021-06-05 2:51 pm PDT
LGF User's Guide RSS Feeds Tweet

Help support Little Green Footballs!

Subscribe now for ad-free access!Register and sign in to a free LGF account before subscribing, and your ad-free access will be automatically enabled.

Donate with
PayPal
Cash.app Shop at amazon
as an LGF Associate!
Recent PagesClick to refresh
Train Songs Nine
A hollow voice says Vaccinate the world!
1 day, 3 hours ago
Views: 120 • Comments: 0 • Rating: 0
Tweets: 0 •
Train Songs Eight
A hollow voice says Vaccinate the world!
1 day, 3 hours ago
Views: 158 • Comments: 0 • Rating: 0
Tweets: 0 •
Train Songs Seven
A hollow voice says Vaccinate the world!
1 day, 3 hours ago
Views: 118 • Comments: 0 • Rating: 0
Tweets: 0 •
Train Songs Six
A hollow voice says Vaccinate the world!
1 day, 3 hours ago
Views: 118 • Comments: 0 • Rating: 0
Tweets: 0 •
Train Songs Five
A hollow voice says Vaccinate the world!
1 week, 1 day ago
Views: 547 • Comments: 0 • Rating: 6
Tweets: 0 •
Train Songs Four
A hollow voice says Vaccinate the world!
1 week, 1 day ago
Views: 545 • Comments: 0 • Rating: 4
Tweets: 0 •
Train Songs Three
A hollow voice says Vaccinate the world!
1 week, 1 day ago
Views: 501 • Comments: 0 • Rating: 4
Tweets: 0 •
Snarky Puppy - Trinity (Extended Version) Snarky Puppy never lets you down, they always come out bright and enthusiastically high on the sounds. Snarky Puppy - Trinity (Extended Version)From Snarky Puppy's new album, Empire Central (September 2022, GroundUP Music)Stream/Buy: orcd.co Written by Mark LettieriArranged by ...
Thanos
1 week, 6 days ago
Views: 781 • Comments: 0 • Rating: 2
Tweets: 2 •