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heat treatment of high chromium white cast iron
Wear resistance of high chromium white cast iron for coal
The annealing of high-chromium white cast iron alloys is conducted when it is necessary to machine the pieces before destabilization.
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Effect of heat treatment on wear and corrosion behavior of
The abrasive wear and corrosion behavior of as-cast, heat-treated and tempered high chromium white cast iron was studied, and the results
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Microstructural Modifications of As-Cast High-Chromium White
Critical (destabilization) heat treatments are conducted at 920-1060 °C, for 1-6 h (Ref 1-10). Subcritical treatments usually follow the
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Heat Treating of High-Alloy White Cast Irons[1
For castings which will be heat treated, the desired mold-cooled structure is often pearlite. This
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Carbides in High Chromium Cast Irons - ThaiJO
secondary carbides which are formed during solidification and precipitated during heat treatments of high chromium irons. Keywords – High chromium cast iron
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CN102899469B - Heat-treatment method of high
The invention discloses a heat-treatment method of high-chromium wear-resistant white cast iron Cr28. According to the invention, high-chromium wear-resistant white cast iron Cr28 is
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Heat treatment process for high chromium grinding ball
The heat treatment process of high chromium cast iron grinding ball includes wind quenching, oil quenching, and special quenching solution treatment. After repeated test and mining, the oil quenching can fully meet all its technical specifications The consumption of iron ore is twice that of iron ore.
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Chromium Cast Iron by Manganese Alloying - CRTI Library
behaviour of a 15 % chromium white cast iron used for ball mill production. decisive role for the heat-treated high-chromium cast iron properties.
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PDF Metallurgical Aspects of HIGH- CHROMIUM WHITE IRONS - foundry-planet.comPDF
the nickel-chromium martensitic white irons, containing up to about 7% ni and 11% cr, usually put into service after only a low-temperature heat treatment at 230 to 290c to temper the martensite and to increase toughness. if retained austenite is present and the iron therefore has less than optimum hardness, a subzero treatment down to liquid
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Heat Treating of High-Alloy White Irons :: Total Materia Article
Heat Treatment or Nickel-Chromium White Irons. Tempering is performed between 205 to 260°C (400 to 450°F) for at least 4 h. This tempers the martensite, relieves some of the transformation stresses, and increases the strength and impact toughness by 50 to 80%.
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Microstructural Investigation on Heat Treatment ... - IOPscience
High chromium white cast irons (HCWCI) are widely used as abrasion resistant materials in cement manufacturing, mineral processing and slurry pumping
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