Questions tagged [metallurgy]

The technical science about theoretical and practical use of metals, their alloys, and preparing them to use.

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6
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1answer
322 views

Did Anza find evidence of a Japanese wreck?

Through the age of sail Japanese sea drifters involuntarily crossed the Pacific. The sengokubune ship which tended to lose its rudder in storms and drift nearly endlessly. Several made it to North ...
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2answers
221 views

Did bronze metallurgical development peak by the end of the bronze age?

There is a lot of talk, books, and science about the development of iron into increasing qualities and types of steel, but I do not see the same attention given to bronze. This is not counting the ...
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2answers
368 views

Did ancient Greeks harden steel weapons?

Let's limit this question to the Classical period (c. 5th-4th centuries BC) Did Greeks harden their iron swords, spearheads, arrowheads etc. before putting them into use? Was hardening technology ...
9
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3answers
1k views

Did any Native Americans make tomahawks from metal?

I'm curious about the evolution of the tomahawk among (North American) Native American peoples like the Algonquin. I assume early versions of the tomahawk had the head made from stone (please correct ...
-2
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2answers
339 views

Sources of iron in the middle east

In the time around 7th century AD, the use of swords and shields was common in the middle east. They should've required iron for that. They didn't know much about smelting. So, how did they get the ...
10
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2answers
2k views

Was bronze ever used for chainmail?

I was reading the Wikipedia article on mail, more commonly known as chainmail, when I saw a mention that mail could be made with bronze. The section in general did not appear to be talking about ...
11
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1answer
259 views

When were public roads cleaned electromagnetically?

In the first half of the 20th century, tires were more often punctured, so metal waste on the roadway was a bigger problem. The book "Lorries, Trucks and Vans 1897-1927" features an electromagnetic ...
1
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0answers
44 views

A bronze reservoir in Osaka

George Lensen's "The Russian Push Toward Japan", 1959, cites Okamoto Ryunosuke, "Nichi-Ro kosho Hokkaido shiko", 1898, to say: Matsudaira Sadanobu states that guns for defenses must be of bronze. ...
1
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0answers
177 views

Are tungsten ammunition cores still to be found on European WW2 battlefields?

With ammunition sometimes missing target and penetrator cores sometimes exiting the other side of the target, i imagine tungsten cores fired during WW2 were seldom collected. Are they still found ...
8
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4answers
1k views

When did leaf springs appear in vehicles?

Passenger vehicles require suspensions for ride comfort. Most today use helical springs, but leaf springs were at one time a major advance over chain or leather strap suspensions, and are still used ...
12
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5answers
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When and how did the West lose its dependency on the USSR for Titanium?

This question was prompted by another one. A long time ago, before I well-documented my internet research, I looked into the history of Titanium, its procurement, refinement, and work-ability. I ...
13
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1answer
5k views

What is known about how many Ulfberht swords exist?

For those who don't know, the Ulfberht sword was a Viking weapon of the finest quality, made with exquisite skill from the best materials available. They were produced between 800 and 1000 CE in ...
3
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2answers
9k views

How was iron obtained in ancient times? [closed]

Today we have advanced machines to mine iron, but it was not so a millennium ago. How did our ancestors locate the presence of iron deposits, mine them and make weapons out of them? How did they ...
15
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2answers
4k views

How did Mongol nomads acquire metal weapons?

Metal-working requires a furnace, heavy tools and of-course metal ore and yet nomadic Mongols were able to obtain metal weapons, so either they worked metal or traded it. But if they worked metal how ...
18
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4answers
3k views

Why did Chinese use high tin bronze for swords?

Also unique for Chinese bronzes is the consistent use of high tin bronze (17–21% tin) which is very hard and breaks if stressed too far, whereas other cultures preferred lower tin bronze (usually 10%),...
10
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1answer
317 views

When did we begin using metal mesh platforms?

I am trying to find the first time we used metal meshes as platforms, like in the image above. I though that a good starting point would be to find the moment metal meshes were created. Unfortunately,...
3
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1answer
249 views

Chart of total gold in possession of humans

Where can I find an approximate chart of total mass of metallic gold in possession of humans by centuries starting with Neolithic? I also would like to see this detailed by civilization/culture.
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3answers
1k views

Why didn't North American tribes use bog iron?

Travis's question got me to thinking that may be the relative infrequency of use of ironworking in the Old World was due to the fact that there was no easy availability of bog iron - which was one of ...
3
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1answer
106 views

Is there any research on specific details of ancient/medieval blacksmithing related to microelements added via plants?

I have seen the following claim a couple of times before (all in Russian popular science type sources). However, I was never able to find historical OR scientific/technology research directly backing ...
27
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7answers
23k views

To what extent did Native American cultures develop metalworking for tools and weapons?

When Europeans started showing up in the New World, the native cultures were technologically far behind. Many still used stone tools: North American tribes used flint, while some Mesoamerican cultures ...