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Fracture Analysis of 45 Steel Fatigue Specimen
Ductile-brittle Transition and Fracture Microstructure Analysis of 45 Steel Fatigue Specimens
Abstract
This paper mainly studies the fracture mechanism and ductile-brittle transition of 45 steel fatigue specimens from 980-1150 MPa stress levels. Modes of fracture, fracture surfaces, and fracture......
22/06/2023 
1073 
Harrison
Metallographic diagram of 50 steel (hot rolled)
Introduction
20Mn50 steel is a medium carbon, high manganese, low alloy steel. It is heat treated to produce a variety of properties, such as improved toughness, ductility, strength, hardness, and wear resistance. It is commonly used in tools, dies, and machine parts. In this study, a Metallograp......
Metallographic diagram of 60 steel (hot rolled, 810°C normalizing)
The microstructure of SAE 1050 steel (hot rolled and heat treated at 810°C) is studied using optical and scanning electron microscopes. For the microstructure evaluation, a metallurgical sample was prepared and replica was made.
The optical micrograph of the SAE 1050 steel shows a microstructure......
65Mn (1100℃×20min+300℃×4s water cooling) metallographic diagram
Abstract
The following study examines the microstructure of 65Mn steels after undergoing a heat treatment process of 1100 ℃ tempering and 300 ℃ water-cooling. The microstructure of the 65Mn steel sample was examined using optical microscopy, scanning electron microscopy (SEM) and energy dispersi......
Optical Principles of Metallographic Microscope
Optical principles of a gold-plated microscopes
A gold-plated microscope is an important tool for scientists and researchers in order to study microscopic specimens. Gold-plated microscopes make use of the ability of light to reflect off the surface of a mirror, enabling one to see the details of......
Non-metallic inclusions in steel
Nonmetallic Inclusions in Steel
Steel is a commonly used material in a wide variety of applications in many modern industries. It has a high strength to weight ratio and is easy to form and manipulate into many shapes, making it an ideal material for a variety of applications. Steel is usually pr......
Metallographic diagram of T10
T10 is a widely used steel alloy, primarily containing carbon and silicon, which is utilized for various applications in industries such as engineering, construction, transportation, and automotive. The alloy is widely appreciated for its excellent weldability and a higher tensile strength of up t......
Metallographic diagram of T10A (quenched and low temperature tempered)
Heat Treatments and Low Temperature Annealing of T10A Steel
Heat treatments of T10A steel involve a range of treatments designed to alter the physical, mechanical and chemical properties of the steel. These treatments can involve heating the steel to above its austenitic transformation temperatur......
Metallographic diagram of X36CrMo17 quenched and tempered
The gold-filled or heat treated X36CrMo17 steel is a high-end steel alloy with excellent performance and excellent corrosion resistance due to its high content of chromium and molybdenum. X36CrMo17 steel exhibits very good resistance to corrosion and wear, as well as good oxidation resistance. Thi......
Y15 (hot rolled) low carbon carbon steel metallographic structure
Low Carbon Steel Microstructure of Hot Rolled QY15
Low carbon steels (with a carbon content of less than 0.3%) are characterized by low strength and ductility, but they offer superior weldability and machinability compared to typical medium- or high-carbon steels. As a result, they are widely use......
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