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The history of metal processing
Mar 12, 2018

The history of metal processing


From 1 million years ago, the primitive stone as a tool, called the old Stone Age.

10000 years ago, humans for stone processing, making it the vessel and delicate tool, which entered the neolithic age.

Archaeological excavations proved that our country in more than eight thousand years ago has now made practical pottery, over six thousand years ago has smelting brass, has simple bronze tools in more than four thousand years ago, has made of corrugated iron weapon in more than three thousand years ago.

Our ancestors in two thousand five hundred years ago during the spring and autumn period has smelting iron, more than one thousand eight hundred years earlier than in Europe.

The 18th century, the development of iron and steel industry, become an important part of the industrial revolution and material basis.

The middle of the 19th century, the emergence of modern nickel pipe open hearth furnace and converter steelmaking technology, the human really entered the era of iron and steel.

Copper, lead, zinc, meanwhile, has been used in great quantities, aluminum, magnesium and titanium metal have appeared and applied.

So far, the metal material has been dominant in material industry.

Metal materials can be said to be the witnesses, the full name of human society development is so say, is with him in the human society each transition that play the vital role of the inseparable.

As the earliest humans found and start to take advantage of a material, metal can say from all aspects affecting the human history development process.

From the original metal into the hunting weapons to the life of people today is completely without metal, metal already visible in the whole of the human society, so the metal in the human society in the past, now and in the future will be what kind of again?

Metal in the role of human society in the past for a period of social nature in miniature.

Such as the new Stone Age, Bronze Age, and so on, and what could be so named for these times, in the final analysis, the main reason, is the human in this stone have developed some new metal, and the metal is almost decided the human civilization progress during this period.

If the stone in the warring states period, due to the invention and use of iron, both of liberated the rural productive forces, and in the war after use, greatly shortened the course of the war, thus speeding up the unity of the whole nation, and the end of the chaotic situation and make our civilization after a period of turmoil will continue to develop to normal.

Among them, the metal on arms in the contribution of mainly on the cold steel casting, and the children of judah weapons with stone and bronze weapons for the most.

Stone weapon from the primitive society during the period of labor tools, stone axes, knives, etc., to the xia dynasty bronze weapons before the advent of about 50 s and the ten thousand years.

Judging from the unearthed stone weapon, is China's oldest weapon ancient ape man gathering, quartz sandstone, achieves raw materials such as stone, after tapping, grinding.

Have a flat, round, square, close all kinds of irregular shape, with a knife, a school shaped.

Our ancestors who is both an instrument of labor and defense is what wu payment instruments, wai beast hunt, slash-and-burn, tenacious survival and the development of evolution.

To the late paleolithic, people have been able to create can be installed bamboo barrels Shi Mao, javelin, axes, such as weapons, which invented the projectile weapons -- bows and arrows.

This fully shows the wisdom of the working people in ancient China and superb skills, people to say goodbye to the ignorance to civilization.

Neolithic, stone weapon manufacturing technology have great progress, species become more and more.

The bronze weapons period continues from xia dynasty to the spring and autumn period and the warring states period.

This period with Chinese slavery society, from prosperity to decline.

Rising prosperity in shang dynasty bronze culture, under the pomp of bronze weapons rapid rise, soon becomes the tool of slave owners noble scholar-bureaucrat class master, and completely replaced the old stone weapon, become CheZhan equipment of the main weapon in the army times.

Thus, metal material is has a pivotal position in ancient society.

After and people realize this, also increased the use of the amplitude, which to a certain extent, promote the development of metal smelting technology.

The two are complementary to each other.

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