Tungsten News

Tungsten News
New Production Method for Diamond Wire Saw 158

Diamond wire saw, also known as diamond wire, refers to a cutting wire that fixes diamond abrasives on metal wires by electroplating or resin bonding. It is mainly used to cut high-hard and brittle materials such as single crystal silicon, polycrystalline silicon, sapphire, magnetic materials, and hard alloys, etc. Compared with free abrasive wire saws, it has the advantages of higher processing efficiency, lower energy consumption, and better cutting quality; compared with circular saws and band saws, it can not…

Tungsten News
How Does Tungsten Needle to Obtain a Precise Tip Radius? 194

Tungsten needle is a kind of tungsten rod with sharp ends. Usually, it is made of high-density tungsten metal so that it can be widely used in many fields. For its production, it adopts powder metallurgy, but this method is not enough when very sharp tips are required. As one of the core components of the field emission electron microscope, the performance of the field emission electron source determines the main electron optical performance param， ，eters in the field emission…

Tungsten News
Summary of Uses of Molybdenum Disulfide (MoS2) 190

Molybdenum disulfide (MoS2) is a two-dimensional layered material composed of two chemical elements, molybdenum and sulfur, with excellent optical, electrical, magnetic, mechanical and thermal properties. It is widely used in energy storage, catalysis, semiconductor, lubrication and other fields. Its main uses are as follows: 1. As an additive for solid lubricants: MoS2 powder is known as “king of solid lubrication”, the friction coefficient is between 0.05 and 0.09, and has the advantages of good dispersion, non-sticking and anti-oxidation, etc. It…

Tungsten News
How to Produce High-precision Tungsten Foil? 160

Heat shields, heating elements and vacuum furnace supports are made of tungsten foil. The foil is thin and is ideal for embedding in laminates, other metals and glass; it is made of mental tungsten and can be used in high temperature vacuum furnaces, coatings, electronic and semiconductor components. How to produce the thin foil? Compared with the coating deposition method, the rolling method is more suitable for the production of tungsten foil, mainly due to the advantages of higher hardness,…

Tungsten News
Molybdenum Disulfide Coating Is Used in Automobiles and Plastics Fields 204

Molybdenum disulfide coating, also known as MoS2 solid lubricating film, is a solid film formed by MoS2 powder and organic binders such as epoxy resin or inorganic binders such as sodium silicate, and then sprayed or brushed on the workpiece. It has good lubricating properties and is widely used in the fields of automobiles, mechanical equipment, and plastics. From the point of view of performance, the friction coefficient of MoS2 coating is low (dynamic friction coefficient is 0.03, static friction…

Tungsten News
Why Use MoSi2 Heating Elements in High Temperature Furnaces? 182

Molybdenum disilicide heating element is a heating element based on molybdenum disilicide (MoSi2), which has excellent characteristics such as high temperature resistance, corrosion resistance, good air tightness, thermal shock resistance, and long service life. It is usually used in the ceramics, glass, metallurgy, magnetic materials, refractory materials, and other industrial high temperature furnaces. Compared with traditional heating elements, the specific advantages of MoSi2 heating elements are as follows: 1) The operating temperature is high. In an air environment, the operating…

Tungsten News
The Differences Between Cerium Tungsten Electrode and Thorium Tungsten Electrode 185

With the continuous development of science and technology such as welding, cutting and spraying technology, manufacturers have higher and higher requirements for tungsten electrodes, such as easy arc starting, stable arc column and long service life. In order to improve the deficiencies of pure tungsten electrodes, researchers often add an appropriate amount of modifiers such as cerium oxide (CeO2) or thorium oxide in the production process, and the prepared products are naturally called corresponding electrodes such as cerium tungsten electrode…

Tungsten News
Molybdenum Foil and Tungsten Foil for Aluminum-ion Battery 219

Molybdenum foil is a very thin molybdenum sheet. Its thickness usually ranges from 0.002mm to 0.1mm and width should be ≥ 50mm. As the metal foil has the characteristics of high purity, low resistance, good electrochemical performance and chemical stability, it can be used as a current collector in aluminum ion batteries. Aluminum-ion battery is a rechargeable battery composed of negatively charged aluminum anode, positively charged graphite cathode, diaphragm and electrolyte, and has similar dings to lithium-ion batteries. Due to…

Tungsten News
Molybdenum Disilicide Powder Is Used to Produce MoSi2 Heaters and Thermocouple Protection Tubes 220

Like tungsten disilicide (WSi2) powder, molybdenum disilicide powder is also an inorganic compound composed of one transition metal atom (both tungsten and molybdenum are transition metal elements) and two non-metallic silicon atoms. It is a black powder, and the chemical formula is MoSi2, the molecular weight is 152.11, the purity is as high as 99.9%, the crystal structure is square, and the CAS number is 12136-78-6. The main components of MoSi2: Si (T.C) total silicon 36%~38%, the rest is molybdenum…

Tungsten News
MoSi2 Heating Elements Are Used in Vacuum Furnaces and Glass Furnaces 179

Molybdenum disilicide heating element, also known as MoSi2 heating element, MoSi2 heater, silicon molybdenum rod or molybdenum disilicide heater, is an excellent resistance heating element with the advantages of high temperature resistance, low aging, anti-oxidation. They are commonly used in various heat treatment furnaces, denture sintering furnaces, experimental electric furnaces, vacuum furnaces, tunnel kilns, roller kilns, casting furnaces, smelting furnaces, glass furnaces and other high-temperature equipment. According to different shapes, MoSi2 heating elements can be divided into straight rods, U-shaped…

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