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Metallographic diagram of Q235 steel (950℃ salt bath chromizing 6h)
Q235 steel is a common low-carbon alloy steel that is used in many applications. The mechanical properties of Q235 steel make it an ideal choice for various applications. At 950℃ salt bath tempering, Q235 steel undergoes a chromium precipitation process that takes 6 hours. This process can lead t......
21/06/2023 
1049 
Sophia
Metallographic diagram of T12 (spheroidizing annealing)
The microstructure of a T12 (ballized) heat treated alloy is an extremely important factor that plays into the properties of the final product. In order to determine the best alloy properties for a particular application, it is necessary to understand the microstructural features of the T12 heat t......
Metallographic diagram of W6Mo5Cr4V2 (after vacuum quenching, tempered three times at 560°C)
With the rise of human resource and technology in the world, Vacuum tempering of steel has become a more popular, efficient, and cost effective way to manufacture and perform modifications to steel parts and components. The Vacuum tempering process involves heating the steel to more than 800°C i......
Metallographic diagram of W6Mo5Cr4V2 (heating, quenching and oil cooling at 1220°C)
At a magnification of 500X, the microstructure of CrW6Mo5V2 steel heated to 1220℃ followed by oil quenching can be observed through a Scanning Electron Microscope (SEM). The polished cross sections were used to view the microstructure by SEM. dislocations, grain boundaries, and pro-eutectoid ferr......
Tissue with peritectic transformation
Metastable Transformations in Crystals
Crystals are a unique form of matter in which the atoms maintain a regular and periodic arrangement. This can give extendable physical properties that are hugely varied in various crystalline structures. Structural transformations, when atoms reorganize, ar......
Metallographic diagram of rod-like bainite 40MnB
Introduction
The 40MnB rod bainite is a new type of material that has recently been developed to increase the mechanical properties of steel. It is a steel with a high carbon content and a low bainite content, which make it an optimal choice for applications that require high strength and rigidit......
30CrMnSiA (900℃×20min+300℃×2s water cooling) metallographic diagram
The Microstructure of 30CrMnSiA Quenched and Tempered at 900℃ for 20 Minutes Followed by Water Cooling at 300℃ for 2 Seconds
The term quenching refers to a heat treatment process that involves rapidly cooling a metal by introducing it to a liquid, such as water or oil. Quenching is often used t......
Low Microstructure and Nonmetallic Inclusions of 35CrMo Steel
Low alloy steels, such as the 35CrMo, are sensitive to heat treatments and weldability. Therefore, it is important to pay attention to their microstructure and non-metallic inclusions.
Microstructures
In general, low alloy steels are especially sensitive to heat treatments due to their relativel......
Metallographic diagram of 35 steel (720°C spheroidizing annealing) medium carbon carbon steel
Introduction
Low-carbon martensitic steel 35 usually undergoes ball-milling and subsequent tempering at temperatures of 720°C for various specific applications. This tempering process is primarily intended to improve the toughness of the material, having as collateral effect the reduction of som......
35 steel (air cooling after forging) low microstructure and non-metallic inclusions
，谢谢
Introduction
35 steel (cold-forged) consists of low-magnification microstructure and non-metallic inclusions and is commonly used in a number of industries, including automotive and construction. Due to its advantages such as great strength, good formability and corrosion resistance, 35 stee......
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