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The development history of various grinding machines
The History of Grinding Machines
Grinding machines have been around for centuries and have been used in various industries for shaping, grinding and finishing various materials. They have evolved from manual labor to sophisticated machinery and are now used in many different industries for a vari......
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Weldability Test Pressure Plate Butt Joint (FISC0) Welding Crack Test Method GB 4675.4-84
Introduction
Welding has become an important part of modern manufacturing processes. It is used in numerous industries, from automotive manufacturing to aerospace production. One test used to ensure welding quality is the FISCO Weld Crack Test. This test involves pressing two plates together and......
Determination of mineral hardness
Minerals Hardness Determination
Minerals are substances that are composed of a combination of elements that occur naturally. Their hardness is one of the most important characteristics of a mineral and it is what allows them to form durable materials such as rocks and tools. Knowing the hardness ......
Changes in bearings
The History of Bearings
In terms of technology, bearings have come a long way. This article discusses the history of bearings and their importance in today’s world.
The earliest known form of a bearing dates back to Ancient Egypt. By using a wetted rope as a bearing around a wooden rod, the Egy......
Comparison table of various hardness values
Hardness is a measure of a substances resistance to various kinds of deformation. It is defined as a measure of a materials resistance to a wide range of forces, including scratching and indentation. The ability of a material to resist these kinds of forces is related to its strength, toughness, a......
Silver paste
Silver Chloride
Silver Chloride (AgCl) is a white crystalline solid, first synthesized and discovered by German chemist and pharmacist, Christian friedrich Schönbein, in 1831. Silver Chloride is composed of equal molar parts of silver and chlorine and is commonly used as a chemical agent in medi......
Aluminum and aluminum alloy introduction
Introduction
Aluminum is a silvery white metal with a atomic number of 13 and a atomic weight of 26.98154. It is the third most abundant element in the Earth’s crust after oxygen and silicon. Aluminum is a soft, light, nonmagnetic and ductile metal with good electrical and thermal conductivity. ......
Bayer method
The history of Bayer goes back to the mid-1800s when Johann friedrich Weskott and friedrich Bayer founded a small chemical company in Barmen, Germany. Through generations of search and experiments, Bayer was able to turn a simple drugstore into a major international corporation.
At first, the com......
Brucite (brucite)
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Brucite is a mineral form of magnesium hydroxide, with the chemical formula Mg (OH)2. It is a light to dark greenish-grey mineral and is often found in the form of fibrous lath, vitreous, or foliated masses. It is named after the American mineralogist Archibald Bruce.
Brucite is ch......
Grindability of ore
The Mohs scale of mineral hardness is an ordinal scale based on the hardness of various minerals. The Mohs scale was created in 1812 by German geologist and mineralogist friedrich Mohs and is one of the mostimportant tools in mineral identification.
The Mohs scale ranks minerals on a scale from 1......
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