File Name: classification of steel and cast iron microstructure properties and applications .zip
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Generally, carbon is the most important commercial steel alloy. Increasing carbon content increases hardness and strength and improves hardenability. But carbon also increases brittleness and reduces weldability because of its tendency to form martensite. This means carbon content can be both a blessing and a curse when it comes to commercial steel. And while there are steels that have up to 2 percent carbon content, they are the exception. Most steel contains less than 0. Now, any steel in the 0.
The paper focuses on an experimental topic relating to the field of friction welding process of a nodular cast iron. The microstructures, phase transformation, temperature distributions, microhardness, and tensile test are all studied within the framework of the paper in question. Both temperature and increasing temperature gradient at the axial center were higher than those at the periphery. The welding region was composed of deformed graphite nodules, coarse pearlite, proeutectoid ferrite, and acicular martensite. Highly deformed graphite nodules were distributed along the weld interface due to the material flow in the thermo-mechanically affected zone TMAZ.
The most common type, gray cast iron features a graphite microstructure consisting of many small fractures. When gray cast iron is produced, the fractures open up to reveal the gray-colored graphite underneath the surface. With that said, gray cast iron offers similar compressive strength as steel. While not as common as gray cast iron, white cast iron is another type worth mentioning. It receives its namesake from its off-white color, which is the result of iron compounds known as cementite. Like gray cast iron, white cast iron features many small fractures.
Cast iron is a ferrous alloy that is made by re-melting pig iron in a capola furnace until it liquefies. The molten iron is poured into molds or casts to produce casting iron products of the required dimensions. Based on the application of cast iron, the alloying elements added to the furnace differ. The commonly added alloy elements are carbon followed by silicon. The other alloying elements added are chromium, molybdenum, copper, titanium, vanadium, etc. Based on the alloying elements added, the variation in the solidification of the cast iron and heat treatment used, the microstructure of the cast iron can vary.
types of steels and cast irons and explains how they are classified and defined. or application, and on the right side, by microstructure. The flow of attaining certain specific properties and characteristics. These This publication is being made available in PDF format as a benefit to members and customers of ASM.Reply
In book: ASM Handbook, Volume 1: Properties and Selection: Irons, Steels, and Classification of cast iron by commercial designation, microstructure, and fracture qualities to cast irons which approach those of steel in some applications.Reply