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Metallographic diagram of 45 steel (1100℃×20min+420℃×5s water cooling)
介绍
Abstract
This paper introduces the metallographic characteristics of 45 steel after heat treatment of 1100℃×20min+420℃×5s water-cooled. The visual observation, image and analysis of the metallographic structure of the sample were carried out by metallographic microscope and metallographic......
20/06/2023 
1044 
Avery
Metallographic diagram of 45 steel (940℃ solid boronizing for 5.5h)
The microstructure of G45 steel after solid solution treatment and quench tempering is mainly the structure of tempered martensite. As shown in Figure 1, it can be seen from the microscope that the microstructure of the G45 steel is composed of tempered martensite matrix and a small amount of baini......
Metallographic diagram of 45 steel (950 ℃ solid boronizing 6h)
Ferritic Observed in 45 Steel After 6 Hours at 950 °C Heat Treatment
Ferritic steel is a type of steel that is widely used in various fields due to its properties. It is known for its strength, ductility, and stability in extreme conditions. The composition of ferritic steel can vary widely depe......
Metallographic diagram of 45 steel (after quenched and tempered by 680°C gas nitrocarburizing)
Microstructure of 45 Steel (Nitrogen and Carbon Co-permeated After Annealing at 680 °C)
45 steel is one of the most commonly used steels in industry due to its excellent mechanical properties, such as good formability, welding ability, and yield strength. To improve its fatigue durability, there......
Metallographic diagram of 45 steel (after quenching and tempering, 680°C gas nitrocarburizing treatment)
Microscopic Examination of Alloy Steel 45 After Gas Nitrogen Carbon Co-Impermeated Treatment of 680℃
Alloy Steel 45 is a low-alloy and high-strength structural steel, mainly used to manufacture various structural parts of various engineering vehicles and engineering machinery. In order to improv......
Metallographic diagram of carbon-free bainite 45 steel
The microstructure of carbon-free Bainitic steel, C45 steel, is composed of primary prior austenite grain and secondary ferrite laths. Ferrite laths grow in the matrix of prior austenite grain and various carbides are also present in the ferrite lath. Due to the high carbon content of C45 steel, s......
Metallographic diagram of white cast iron
White Cast Iron Microstructure
White cast iron occurs when graphite flakes (and other impurities) are disseminated into the metal matrix. The primary constituents of white cast iron are iron and carbon. White cast iron has a great deal of wear resistance, strength and hardness, which makes it ext......
Metallographic diagram of 5Cr21Mn9Ni4N (gas soft nitriding)
Abstract
This paper introduces the metallographic features of X5Cr21Mn9Ni4N stainless steel, which is a austenitic stainless steel with nitrogen-containing Gas Nitriding (GN). The samples were subjected to etching of Keller solution to observe their internal structural features. The samples showe......
Tempered martensite and austenite in different orientations
Ferrite and austenite are two important iron alloys, each with its own characteristics.
Ferrite is a type of ferrous alloy composed of iron, along with up to 5% of chromium, nickel, and other metals. This microstructure forms in steel when it is cooled from austenizing temperatures. Ferrite is a ......
15CrA (1100℃×20min+500℃×1s water cooling) metallographic diagram
Study of Microstructure in 15CrA After Thermal Treatment
Heat treatment can alter the microstructure of a material and microscopically affect its physical properties. These changes tend to be quantified by the microstructure observations. One of the most common methods of measuring the microstruc......
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