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What is thermal spraying
Hot-spray painting is one of the many painting methods that have been developed over the years to enhance the beauty and durability of painted surfaces. Hot-spray painting is accomplished by heating a metallic spray gun at a very high temperature and combining it with a compatible solvent. This me......
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Volatile smelting
Volatile melting
Volatile melting occurs when elements have different boiling points, but mix together at the same temperature. The result is a mixture of materials that can usually be propelled or heated to create movement. This phenomenon is most often seen in the extraction of metal alloys, su......
Thinner
Diluent
Diluent, sometimes called thinning agent, is a substance used to reduce the concentration or viscosity of a liquid, making it thinner so that it can be mixed with another liquid. Commonly used diluents include water and alcohols like ethanol, isopropyl alcohol, butane and propane. Dependi......
Gases and sources in the welding zone
Welding Zone Gas and Sources
Gas welding, cutting and brazing operations involve the use of several different gas mixtures in the welding zone. The gases used depend on the types of processes being employed.
Oxygen is the most commonly used gas in the welding zone, and is typically used for weld......
Rhenium solvent extraction
Introduction
Solvent extraction is one of the most important technologies used to separate and purify organic compounds. It involves taking advantage of the different solubilities of the components of a mixture and is used in a variety of industries, including the fuel and agricultural industries......
Selenium tellurium solvent extraction
Selenium-Tellerium (Se-Te) Extraction
Selenium-tellerium (Se-Te) extraction is an emerging technology used to recover trace amounts of selenium and tellerium from a variety of sources in a highly efficient and cost-effective manner. Se-Te extraction, also known as chemical leaching, has become inc......
Cast aluminum and aluminum alloy surface treatment technology: aluminum chemical polishing technology
Introduction
Aluminum and its alloys are widely used in engineering and commercial product fields, ranging from aviation components, automobile panels and other conventional product applications to energy-saving, environmentally friendly products. Aluminum and its alloys possess excellent mechani......
Enrichment of low-grade zinc oxide ore
Low Grade zinc Oxide Ore Enrichment
Zinc oxide ore is an important industrial mineral containing zinc, a trace element for many different applications, including galvanizing and the production of various alloys. Zinc oxide ore is typically composed of 15-20 percent zinc and the greatest challeng......
Determination of Bond Strength of Graphite-Phenolic Adhesives
Determination of Bond Strength of Phenolic-Aldehyde Resins on Graphite
Phenolic-aldehyde resin (PA resin) is one of the most widely used synthetic adhesive materials and is suitable for bonding a wide range of materials, two of which are graphite and PA resin. PA resins are developed and manufact......
Casting method
Lost-wax casting
Lost-wax casting is a process of producing sharp and detailed castings from3D models, designs, drawings and molds. This process is also known as investment casting, or cire perdue. It is an ancient technique that started in Egypt and Mesopotamia around 3800 BC.
The process begin......
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