2013年8月16日星期五

A Brief History of abrasive

It began as early as the Paleolithic bone tools with abrasive sand. China in the 16th century BC on the use of natural  abrasive wheels polished bronze and jade. In 1891, the United States EG Acheson made ​​out of silicon carbide in an electric furnace, created the first artificial abrasives. In 1897, the successful development of artificial corundum. In 1934, the advent of boron carbide abrasive. Before and after the 1950s,  synthetic diamond corundum, microcrystalline corundum, chromium corundum and zirconium corundum and other products have appeared in the U.S.. Especially synthetic diamond and cubic boron nitride manufacturing success, marking the abrasive development has reached a new stage. The emergence of artificial abrasives, grinding technology to promote the development, but also expanded the scope of application of the abrasive.

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