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bronze smelting technique in ancient China
Bronze Smelting Technique in Ancient China
Bronze smelting was one of the great achievements of ancient China. Between the 16th and 11th centuries BC, the art of bronze smelting was perfected. In this process, the ore was heated to a high temperature, resulting in an alloy of copper and tin tha......
1058 
Erin
heat treatment of metals in ancient China
Heat Treatment of Metals in Ancient China
The history of heat treatment of metals in China dates back to the Shang Dynasty (1600-1046 BCE). This early heat treatment was used to soften and harden bronze utensils and weapons such as knives and spearheads, by heating and cooling in a process that i......
Chuck
THE HISTORY OF EATING UTENSILS
One of the key elements of any civilization is the tools and utensils used by its people for the purpose of eating and food preparation. Eating utensils are usually the first tools invented by people, as the need for them is universally experienced. Not surprisingly......
Development and future of China's aviation welding/joining technology
Development and Future of Aviation Welding/Connection Technology in China
Abstract
For a long time, welding and connection technologies play a fundamental role in the aviation industry. In China, the increasing demand for aviation weld and connection technology promotes technological advancement......
Evolution of GB/T 1220 Standard for Stainless Steel Bars
GB/T 1220 Standard Evolution of Stainless Steel Bars
The history of the development of a variety of industry standards and regulations, including those related to stainless steel bars (SSBs), began nearly two decades ago, when the standard of GB/T 1220 was initiated and announced in 1998. The sta......
Chemical Composition of Several New Types of Base Steels in China
Development of Advanced High-Strength Steel in China
The development of advanced high-strength steels (AHSS) plays an important role in the development of modern vehicle manufacture and steel processing industries and is beneficial to Chinas economic development. In this regard, due to the low co......
American Iron and Steel Scrap Standard (1991)
Introduction
Scrap metal has been used as a resource in the United States since the late nineteenth century. Initially, it was simply used for recycling, but over time it became an important commodity used in the manufacturing industry. During the 1980s, concerns about the quality of scrap steel,......
Electrolytic manganese metal (YB/T051-1993)
Electrolytic Manganese
Introduction
Electrolytic manganese is a metal element obtained through electrolysis. It is a silvery-white, hard, and brittle metal with a specific gravity of 7.44. In its pure form, it is relatively non-reactive, but it also has a tendency to oxidize in the presence of a......
60 uses
Medical advances since the 1950s
Since the 1950s medical advances have been made that have revolutionized healthcare and substantially improved the quality of many lives. These advances have primarily focused on three areas: vaccines, diagnostic techniques and drug treatments.
Vaccines
The develo......
Polish Reinforced Steel No.
Reinforced Steel in Poland
Reinforced steel is a type of steel used in construction for support structures and reinforcement. It is also commonly known as reinforcing or reinforcing steel, or rebar.” Reinforced steel is an essential material in construction and is used in various components of a......
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